Used Vertical Turning Center for sale (22,582)

Condition: excellent (used), Year of construction: 2007, functionality: fully functional, travel distance X-axis: 500 mm, travel distance Y-axis: 400 mm, travel distance Z-axis: 330 mm, rapid traverse X-axis: 54 m/min, rapid traverse Y-axis: 54 m/min, rapid traverse Z-axis: 54 m/min, feed length X-axis: 500 mm, feed length Y-axis: 400 mm, feed length Z-axis: 330 mm, controller manufacturer: Fanuc, controller model: 31i Model A5, workpiece weight (max.): 250 kg, table load: 250 kg, rotary table diameter: 130 mm, spindle speed (max.): 10,000 rpm, spindle nose: BT30, number of spindles: 1, number of slots in tool magazine: 21, tool length: 200 mm, tool diameter: 80 mm, tool weight: 2 g, input voltage: 400 V, type of input current: three-phase, Equipment: documentation/manual, rotational speed infinitely variable, Fanuc Robodrill T21iE 5-Axis Vertical Machining Centre – 2007 Fanuc 31i-Model A5 | Nikken 5AX-130FA (2017) 4th & 5th Axis Trunnion | BT30 | 10,000 RPM 2007 Fanuc Robodrill T21iE 5-Axis Vertical Machining Centre with Fanuc 31i-Model A5 control and 2017 Nikken 5AX-130FA trunnion table. 10,000 rpm spindle, 500×400×330 mm travels, 54 m/min rapids. Available now. Manufacturer: Fanuc Model: Alpha T21iE Machine Type: 5 Axis Vertical Machining Centre Year: 2007 Control: Fanuc Series 31i Condition: Very Good Available now: a 2007 Fanuc Robodrill T21iE configured as a compact 5-axis machining centre with a 2017 Nikken 5AX-130FA 4th & 5th axis trunnion table. This is an excellent solution for multi-face machining, complex small components, aerospace/medical work, and high-accuracy production—all with the speed and reliability Robodrill is famous for. Key Machine Specifications Manufacturer: Fanuc Model: Robodrill T21iE Year: 2007 Control: Fanuc Series 31i-Model A5 Axis Travels X: 500 mm Y: 400 mm Z: 330 mm Rapids Rapid Traverse X/Y/Z: Up to 54 m/min Spindle Max Spindle Speed: 10,000 rpm Table / Load Permissible Mass on Table: 250 kg (uniform) Tooling / ATC Limits Max tool mass: 2 kg per tool Total tool mass: 23 kg Max tool length: 200 mm Maximum Tool Diameter: 80mm Hours (correct at time of advertising) Power On: 48,548 hrs Cutting Time: 14,951 hrs Including: 21 BT 30 Toolholders Not Including: Vices Nikken 5AX-130FA Trunnion Table (2017) – 4th & 5th Axis This machine is fitted with a Nikken 5AX-130FA compact tilting rotary table, ideal for BT30 high-speed machines and tight work envelopes. Manufacturer: Nikken Model: 5Ax130FA Year: 2017 Configuration: 4th & 5th Axis Trunnion Table Diameter: Ø130 mm Tilt Axis (A-Axis): ±110° Rotary Axis (C-Axis): 360° continuous Nwsdpfxjyfh Raj Ah Hjb Drive Type: Direct servo drive Positioning Accuracy: ±5 arc-sec (typical Nikken spec) Repeatability: ±2 arc-sec Maximum Workpiece Weight: Approx. 20 kg ✔ One of the most popular compact 5-axis rotary tables for Robodrill and small-format machining centres. Why this machine? True compact 5-axis capability (ideal for complex parts & multi-face machining) Fanuc reliability + fast rapids for high productivity Nikken trunnion accuracy and rigidity—perfect match for a Robodrill-style high-speed environment Great for aluminium, plastics, small steel components, and precision production work Notes: *Specifications are given in good faith but not guaranteed*

Condition: excellent (used), Year of construction: 2011, functionality: fully functional, travel distance X-axis: 1,270 mm, travel distance Y-axis: 670 mm, travel distance Z-axis: 625 mm, rapid traverse X-axis: 36 m/min, rapid traverse Y-axis: 36 m/min, rapid traverse Z-axis: 30 m/min, feed length X-axis: 1,270 mm, feed length Y-axis: 670 mm, feed length Z-axis: 625 mm, nominal power (apparent): 37 kVA, controller manufacturer: Fanuc, controller model: i Series, workpiece weight (max.): 1,000 kg, total height: 2,815 mm, total length: 3,350 mm, total width: 3,760 mm, table width: 650 mm, table length: 1,300 mm, table load: 1,000 kg, overall weight: 8,500 kg, spindle speed (max.): 12,000 rpm, coolant supply: 20 bar, spindle nose: BT40, number of spindles: 1, number of slots in tool magazine: 30, tool length: 300 mm, tool diameter: 125 mm, tool weight: 8 g, input voltage: 400 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, Doosan DNM 650 Vertical Machining Centre – 2011 Fanuc i-Series Control | 12,000 RPM | 4th Axis Ready 2011 Doosan DNM 650 Vertical Machining Centre with Fanuc i-Series control. 12,000 RPM BT40 spindle, rebuilt spindle, 4th axis ready, 30-tool ATC, TSC, chiller & swarf conveyor. Available from Used Machine Tools Ireland. Manufacturer: Doosan Model: DNM 650 Machine Type: 3 Axis Vertical Machining Centre with 4th Axis preparation Year: 2011 Control: Fanuc i Series Condition: Very Good - spindle rebuilt in 2026 Availability: March 2026 We are pleased to offer this 2011 Doosan DNM 650 Vertical Machining Centre, a highly regarded and extremely rigid VMC, ideal for precision subcontract machining, toolmaking, and production environments. This machine is equipped with a Fanuc i-Series control and benefits from a newly rebuilt spindle, ensuring excellent performance, reliability, and long service life. The machine is prepared for a 4th axis with Nikken interface, making it an ideal platform for future rotary or multi-axis work. Key Specifications Manufacturer: Doosan Model: DNM 650 Year: 2011 Control: Fanuc i-Series Spindle Speed: 12,000 RPM Tool Taper: BT 40 X / Y / Z Travels: 1270 / 670 / 625 mm Table Size: 1300 × 650 mm Maximum Table Load: 1000 kg Rapid Traverse Rates: X / Y: 36 m/min Nwsdpfjyfh Ixjx Ah Hob Z: 30 m/min ATC: 30 Places Max Tool Diameter: Ø80 mm with adjacent tools / Ø125 mm without Max Tool Length: 300mm Max Tool Weight: 8 kg Machine Dimensions (Approx): 2760 x 3350 x 2815mm Machine Weight (Approx): 8500kg Features & Equipment Newly rebuilt spindle Nikken 4th Axis preparation 30-station Automatic Tool Changer (ATC) 20 bar through-spindle coolant (TSC) Coolant chiller LNS swarf conveyor Data server / networking capability Fully enclosed, heavy-duty construction Please Note No tool holders, vices, or swarf bin included Ideal For Precision engineering CNC subcontract machining Automotive & aerospace components General and high-speed milling applications The Doosan DNM 650 is known for its exceptional rigidity, accuracy, and reliability, making it one of the most popular vertical machining centres in its class. Notes: *Specifications are given in good faith but not guaranteed*

Condition: excellent (used), Year of construction: 2012, functionality: fully functional, travel distance X-axis: 1,020 mm, travel distance Y-axis: 540 mm, travel distance Z-axis: 510 mm, feed length X-axis: 1,020 mm, feed length Y-axis: 540 mm, feed length Z-axis: 510 mm, nominal power (apparent): 33 kVA, controller manufacturer: Fanuc, controller model: i Series, workpiece weight (max.): 800 kg, total height: 2,700 mm, total length: 3,750 mm, total width: 2,285 mm, table width: 540 mm, table length: 1,200 mm, table load: 800 kg, overall weight: 6,500 kg, spindle speed (max.): 12,000 rpm, coolant supply: 20 bar, spindle motor power: 15,000 W, spindle nose: BT40, number of spindles: 1, number of slots in tool magazine: 30, input voltage: 400 V, type of input current: three-phase, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, Doosan DNM 500 Vertical Machining Centre – 2012 Fanuc i-Series Control | 12,000 RPM | BT40 | Spindle Rebuilt 2024 2012 Doosan DNM 500 Vertical Machining Centre with Fanuc i-Series control. 12,000 RPM BT40 spindle (rebuilt 2024), 1200×540 mm table, 30-tool ATC, 20 bar TSC & data server. Available now. Manufacturer: Doosan Model: DNM 500 Machine Type: 3 Axis Machining Centre Control: Fanuc i Series Control Year: 2012 Condition: Very Good - spindle rebuilt in 2024 We are pleased to offer this 2012 Doosan DNM 500 Vertical Machining Centre, a robust and highly accurate CNC milling machine designed for precision engineering, subcontract machining, and production environments. Equipped with a Fanuc i-Series CNC control and a 12,000 RPM BT40 spindle, this machine delivers excellent cutting performance across a wide range of materials. The spindle was professionally rebuilt in 2024, ensuring reliability, accuracy, and long-term service life. Key Specifications Manufacturer: Doosan Nwsdpfxeyfh H Us Ah Heb Model: DNM 500 Year: 2012 Control: Fanuc i-Series CNC Axis Travels X Axis: 1020 mm Y Axis: 540 mm Z Axis: 510 mm Table Table Size: 1200 × 540 mm Maximum Table Load: 800 kg Spindle Spindle Speed: 12,000 RPM Spindle Taper: BT40 Spindle Motor Power: 15 kW Spindle Condition: Rebuilt in 2024 Toolchanger Automatic Tool Changer: 30 Tool Stations Machine Dimensions & Weight Overall Length: 3750 mm Overall Width: 2284 mm Overall Height: 2703 mm Machine Weight: 6,500 kg Features & Equipment Fanuc i-Series CNC control 30-station Automatic Tool Changer (ATC) 20 bar Through-Spindle Coolant (TSC) Data server / networking capability Fully enclosed, rigid Doosan construction Ideal footprint for busy workshops Please Note No swarf bin included No tool holders included No vices included Ideal Applications Precision CNC milling Subcontract machining Automotive, aerospace & general engineering Small to medium batch production The Doosan DNM 500 is renowned for its rigidity, accuracy, and reliability, making it a proven and popular choice for machine shops seeking dependable CNC performance. Notes: *Specifications are given in good faith but not guaranteed*

Condition: used, Year of construction: 2018, operating hours: 12,678 h, machine/vehicle number: 290060, Weight: 16,800 kg, 48-position tool changer, travel paths (x/y(z): 4 mm, with lubricant processing, chip conveyor, cooling unit, control cabinet. ATTENTION: Collection for this item by prior arrangement only!!! Nwodpfxsycitks Ah Heb

Condition: used, Year of construction: 2006, machine/vehicle number: 184628, Weight: 7,100 kg, 30-position tool changer, movable T-slot clamping table, MAZATROL 640M control, travel (x/y/z): 1 mm, lubricant processing system, chip conveyor, control cabinet, without machine vises, ATTENTION: Collection for this item only by prior arrangement!!! Njdpfx Asycir Tjh Hswb

Year of construction: 2021, operating hours: 9,159 h, condition: used, machine/vehicle number: 374-19, the documentation is attached as a PDF Njdsyciu Ispfx Ah Hewb

Year of construction: 2021, operating hours: 16,807 h, condition: used, machine/vehicle number: 374-20, the documentation is attached as a PDF Nwodpfx Aoyciu Uoh Hjb

Condition: good (used), Year of construction: 2004, Opportunity to buy a 5 axis OKUMA machining center with EROWA automation. Including: EROWA Robot Easy automatic loading cell Chip conveyor Heavier coolant pump Higher Spindle speed Automatic measurement system for tool length, diameter setting, and tool breakage detection with a Renishaw laser Automatic measurement function, Renishaw MP10, BT40 Full technical specifications in the attached document. This machine is in very good condition and can be inspected under power upon appointment. Availability: 03/2026 CNC control Okuma OSP-E100M X-axis 762 mm Y axis 460mm Z axis 460mm C axis 360° Table size 400 mm Table load 300 kg Spindle mounting BT40 Big plus spindle Tool changer capacity 32 positions Spindle speed 50-15,000 rpm Spindle hours approx 42000h Cutting hours approx. 38000h Nodpsyfht Usfx Ah Hewb Please note: The information on this page has been obtained to the best of our ability and belief. This information is provided in good faith, but its accuracy is not guaranteed. Accordingly, this information is not binding and does not constitute a contractual condition. We recommend that you check all essential details during an inspection of the machine. To save unnecessary travel costs for our customers, in most cases we recommend organizing a live video inspection.

Condition: ready for operation (used), Year of construction: 1997, Make: MAZAK Type of machine: VTC-20C Year of manufacture: 1997 Nedpfx Ajyfhfqsh Hjwb Control system: MAZATROL M-Plus Machine's weight: 7320 kg Tool holder: SK40 x-travel: 1660 mm y-travel: 510 mm z-travel: 510 mm Speed range: 8000 1/min max. Table load: 1000 kg Table dimensions: 2000 x 510 mm Number of tools in the magazine: 48 Pl.

Condition: used, Year of construction: 2001, Technical details: x-travel: 2030 mm y-travel: 810 mm z-travel: 810 mm control: SELCA S3045PD turning speeds: 6.000 1/min tool change unit: 16 tool taper: SK 50 table-size: 2200 x 780 mm table load capacity: 2010 kg rapid traverse: 20 m/min spindle drive: 20 / 17 kW Nwedpfx Asych T Aeh Hsb weight of the machine ca.: 11;6 t space requirements approx. LxWxH: 6,2 x 3,2 x 3 m vertical machining center, chipconveyor (backside), flat track guideways, internal coolant device, direct measuring system, HF-spindle 27.000 1/min, exchangeable, 3D touchprobe RENISHAW MP 12, no hour meter *

Condition: good (used), Year of construction: 2010, AWEA 1250, 15.000 rpm Nwedpoxu Ew Ujfx Ah Hob coolant thru spindle, Tool changer 40 places Parts shown by hand not come. Machine vices, plate on table not come with machine.

Condition: new, Year of construction: 2022, functionality: fully functional, The tool holder is completely new and still in its original packaging. There is a second one, which is used but shows no signs of wear. (see picture) Spindle MTSK-40 Gear ratio 1:1 Max rpm. 6000 Maximum torque [Nm] 50 External cooling Yes Internal cooling Yes Internal cooling P=30 BAR The holder can also be used for the following CMZ machines. CMZ - TA15M/Y/MS/MY/YS 15 PCS. CMZ - TX52 Y2 QUATTRO CMZ - TX52 Y2 TWIN Nedjuzwutepfx Ah Hewb CMZ - TX66 Y2 QUATTRO CMZ - TX66 Y2 TWIN CMZ - TX66 Y3 CMZ - TA20M/Y/MS/MY/YS 15 PCS. CMZ - TA25M/Y/MS/MY/YS 15 PCS. CMZ - TA30M/Y/MS/MY/YS 15 PCS. CMZ - TTL 52 CMZ - TTL 66 CMZ - TX52 Y3

Condition: used, Year of construction: 1998, Technical details: x-travel: 3000 mm y-travel: 600 mm z-travel: 800 mm table surface area: 3.600 x 650 mm max. table load: 2.800 kg control: TNC 426 HEIDENHAIN turning speeds: 6.000 1/min tool change unit: 30 Pos. taper ISO: SK 50 rapid motion - x-axis: 30 m/min rapid motion - y-axis: 30 m/min rapid traverse Z-axis: 30 m/min spindle drive: 31 / 21,5 kW total power requirement: 45 kW dimensions of the machine ca.: 5,5 x 3,4 x 3 m weight of the machine ca.: 15,5 t 3-axis vertical machining-center, prepared for 4th axis (wire and plug), internal cooling device 40 bar, chip conveyor, el. handwheel HR 410, 3D-touch probe, direct measuring system, dividing wall, twin table machining, flush gun, Nwedpfx Ajychidoh Hob table elevation 100mm, bed flushing, coolant of spindle (oil), approx. 53.000 switch on hours, 18.500 spindle hours *

Condition: excellent (used), Year of construction: 2016, functionality: fully functional, Including 4th axe TSUDAKOMA . Cooling threw spindle 30 bar. Control Fanuc 0i-MD. Including probes. Axes ( X/ Y/ Z ) mm 1.000 / 550 / 500 Table 1.100 x 502 mm Table loading kg 700 Spindle revolutions 12.000 rpm Spindle BT40 Number of tools 24 Nwjdpsycg Npjfx Ah Hob Machine dimensions mm 3.335 x 2.200 x 2.670 Weight kg 6.500 control - Fanuc 0i-MD

Condition: ready for operation (used), Year of construction: 1999, Make: HERMLE Type of machine: C 800 V Year of manufacture: 1999 Control system: Heidenhain 430 Machine's weight: 7000 kg Njdpfx Asyfgtajh Hjwb Tool holder: SK 40 x-travel: 800 mm y-travel: 600 mm z-travel: 500 mm Speed range: 8 000 min⁻¹ Table dimensions: 1000 × 560 mm Number of tools in the magazine: 30 Pl.

Condition: excellent (used), Year of construction: 2008, functionality: fully functional, Control Fanuc 0i-MF Plus, CNC controlled 5th axe TSUDAKOMA TN - 101. Probe Renishaw, tool holders. Axes 510 x 360 x 300 mm Nwedpfxjycgurj Ah Heb Table 600 x 360 mm Max. spindle revolutions 8 000 rpm Spindle BT-30 Number of tools in tool holder 20 Machine dimensions 2 700 x 1 600 x 2 310 mm Machine weight 2 000 kg

Condition: used, Year of construction: 1998, Bridgeport VMC 600/22 Digital CNC Milling Machine with Heidenhain TNC 410PA CNC Control, 830 x 410mm Work Area/Bed, 22 Position ATC, BT40 Spindle Taper. S/No. 821424 (1998) Machine Weight 2500kg. Country of Origin: United Kingdom Nwodpjyfgcbofx Ah Hjb Location: These lots are located in York, UK. Unfortunately there are no loading facilities on-site, dismantling and loading will be at the cost of the Purchaser. All/Any tooling is being offered as specifically described.

Condition: excellent (used), Year of construction: 2004, DAEWOO Mynx 540 cnc vertical machining center Year: 2004 Specifications: Axis X travel 1020 mm Axis Y travel 510 mm Axis Z travel 625 mm Rotary table ( Tsudakoma RZ-200 ) Type of CNC FANUC 21i-MB Table length 1200 mm Table width 500 mm Max. part weight 800 kg Number of tool positions 24 Spindle taper BT 40 Max. spindle speed 8000 rpm Spindle motor power 15 kW Weight 7500 kg Machine has new spindle, fitted in October 2025. Accessories/options: - 4.axis Rotary table ( Tsudakoma RZ-200 ) - Through spindle coolant - Documentations Nwsdpfx Asxt E Droh Hjb - Remote control - Coolant tank - Spindle cooler Under power in our warehouse!

Condition: excellent (used), Year of construction: 2001, Heidenhain TNC 426 control Travel X/Y/Z: 1760/600/600 mm Left table dimensions: 1,350 x 600 mm Right table dimensions: 1,000 x 600 mm Spindle speed: 8,000 rpm Nwodpfx Ajycc Nfjh Hsb Tool magazine for 36 tools SK40 4th axis 3D probe

Condition: good (used), Year of construction: 2008, Quaser MV 154 PL, Control Heidenhain iTNC 530, Year of manufacture 2008, Travel X/Y/Z 1000/530/560 mm, Tool changer with 30 positions, Noc Tqfqzew Uf Nfe Rowb Tool holder SK 40, Air blast through the spindle, ICS 20 bar, External cooling, Scraper belt chip conveyor, Nodpfx Aoydvx Aoh Hswb 3D probe, Tsc Aldaswlffpsbsb infrared receiver, Temperature-controlled oil cooling system, Thermal compensation, Spindle replacement 2021,

Condition: used, Year of construction: 2001, FANUC ROBO DRILL T14 iC COMPACT MACHINING CENTER 14 Tool tool changer Nodpfeydvp Uox Ah Hewb 5 off BT30 tools

Condition: new, For sale is a spindle cover suitable for a Mazak VTC 30C. The cover is new and has never been installed. Nedpfxeydvi Uj Ah Hjwb

Condition: excellent (used), Year of construction: 2016, operating hours: 4,850 h, DMG Mori Ecoturn 510 V3 CNC Lathe In very good condition, year of manufacture 2016. Machine specifications: Maximum spindle speed: 3250 rpm Spindle bore: 103 mm Nodpfx Ahoydvcbo Howb Bar capacity: 76 mm Distance between centers: 1150 mm Swing diameter over bed: 680 mm Swing diameter over carriage: 465 mm Hydraulic chuck size: 250 mm Equipped with: VDI40 turret with 12 stations Chip conveyor High-pressure coolant system Siemens control Hydraulic chuck Maximum machine dimensions including chip conveyor: 5320x1809x2161 mm (including signal lamp, excluding operator panel) Weight: approx. 6700 kg The machine is supplied with various holders, driven tools, turning tools, drills, and other accessories neatly stored in a tool cabinet. All manuals and electrical diagrams are also included.

Condition: ready for operation (used), Year of construction: 2008, operating hours: 27,167 h, functionality: fully functional, Technical Data – HERMLE C 40 UP Control System: - Heidenhain iTNC 530 - Travel X/Y/Z: 850/700/500 mm Options: - Heidenhain DNC - DXF Import - Kinematic Opt iTNC Main Spindle: - Speed: 18,000 rpm - Tool Holder: HSK-A63 Tool Magazine: - Additional Magazine ZM43 Feed / Axes: - Linear guideways – Dynamic Version - Table variant: NC-SRT Ø 420 mm, worm gear drive - Table axis: A-axis offset from center - Table specification: Pallet clamping system Coolant System: - Internal coolant supply 80 bar - Coolant filter type: Paper band filter for internal coolant system Chip Disposal: - Scraper belt conveyor Cab / Safety: - Base structure - Automatic cabin door - Manual roof cover - Laminated safety glass window Nwsdpfoxx Rxrjx Ah Hsb Electrics: - Frequency: 50 Hz - Country key: DE Pallet Automation: - Pallet changer: PW160, 400 × 400 mm - Pallet storage MMS / Measuring Systems: - External MQL (Minimum Quantity Lubrication) - Tool breakage monitoring A2 Blum - Heidenhain touch probe - Prepared for additional touch probe Software / Options: - Event Messenger - Tool identification HSK - Machine license: TCS-Soflex - System monitoring Free Accessories: - Electronic thermal compensation - Electronic hand-held control module - Oil mist extraction (prepared & with post filter) - Flange for oil mist extraction - Sealing air for scales - Chip washdown gun - Bed flushing - Internal & external air blast - Signal light - Test documentation - Test protocol: C 40 iTNC 530 PW160

Condition: ready for operation (used), Year of construction: 2002, operating hours: 8,000 h, functionality: fully functional, travel distance X-axis: 900 mm, travel distance Y-axis: 500 mm, travel distance Z-axis: 450 mm, rapid traverse X-axis: 50 m/min, rapid traverse Y-axis: 50 m/min, rapid traverse Z-axis: 50 m/min, feed rate X-axis: 50 m/min, feed rate Y-axis: 50 m/min, feed rate Z-axis: 50 m/min, controller manufacturer: fanuc, controller model: 16i MA, table width: 1,000 mm, table height: 500 mm, table load: 700 kg, rotational speed (max.): 20,000 rpm, overall weight: 9,300 kg, spindle speed (max.): 20,000 rpm, operating hours of spindle: 8,000 h, spindle nose: HSK 63A, number of slots in tool magazine: 25, Equipment: chip conveyor, documentation/manual, rotational speed infinitely variable, High-speed, high-precision vertical machining centre of Japanese manufacture. Furthermore, equipped with the following OPTIONS: MARPOSS wireless 3D workpiece measuring probe, swarf/chip conveyor, high-pressure coolant through the spindle, extended coolant system: 12 nozzles, 100 l/min capacity, electrospindle: 20,000 rpm, 22 kW, HSK 63A taper, with dedicated chiller, tool magazine expanded to 25 positions, Nodpfx Ahjxryb Ne Hswb FANUC high-dynamic drives (Alpha 22 and Alpha 30), ballscrews cooled by a dedicated chiller, linear optical scales, tool setter (length and breakage detection), active tool load monitoring, ROTOCLEAR on the main door, FANUC SUPER GI option (Geometric Intelligent Control), FANUC RISC option (Reduced Instruction Set Computer), FANUC NURBS option (Non Uniform B-Spline), FANUC DATA SERVER option (160Mb), FANUC ETHERNET network port option, serial RS 232 output.