XYCOM XVME-490
XYCOM XVME-490 Four-Channel Serial I/O Module (6U VME)
Form Factor:
6U, double-width VME-bus module with all I/O routed through the rear P2 connector.
Number of Channels:
4 independent serial channels.
Controller Chips:
Two Zilog Z8530 Serial Communication Controllers (SCC), supporting multiple protocols including asynchronous, byte-synchronous, and bit-oriented (HDLC/SDLC).
Interface Type:
RS-232C (optional RS-422A/RS-485 depending on specific model: XVME-490/491).
Baud Rates:
- Asynchronous: up to 57.6 kbaud (internal/external)
- Synchronous: up to 500 kbaud
Modem Control:
Each channel provides RTS, CTS, DCD, and DTR signals.
Interrupts:
Jumper-selectable to generate any of the 7 VME-bus interrupt levels; the two Z8530 chips can generate up to 16 interrupt vectors.
Power Requirements:
- +5 V: approx. 1.1 A (typical) / 1.3 A (maximum)
- +12 V: approx. 100 mA (typical) / 110 mA (maximum)
Environmental Specifications:
- Operating temperature: 0 °C to 65 °C
- Non-operating temperature: –40 °C to 85 °C
- Relative humidity: 20% to 80% (non-condensing)
- Altitude: 0–10,000 ft (operating), up to 40,000 ft (non-operating)
- Vibration: 5–2000 Hz
- Shock: 30 g (operating)
Dimensions:
Approx. 233.68 mm × 160.02 mm (6U double-width), about 50 mm thick.
Compliance:
Meets VME-bus specification IEEE 1014; A16:D08(O) DTB slave.
This module is suited for industrial control systems requiring multiple serial communication channels, such as terminal/modem interfaces, serial printers, or fieldbus gateways, and is capable of reliable operation in harsh industrial environments.

Main brand :
ABB Allen-Bradley Alstom Bently GE MOOG Schneider
Woodward HIMA Honeywell Emerson Foxboro
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Our Main Brands
DCS/PLC/TSI Manufacturers:
ABB, GE, Allen Bradley, Honeywell, Emerson, Bently Nevada, Prosoft, Siemens, Westinghouse, Triconex, Foxboro, ICS Triplex, Hima, Schneider, Yokogawa, Woodward, B&R, KEBA, etc.
Product Categories & Models
1. Distributed Control System (DCS)
- ABB:3AUA0000110429, SYSCON2 746924
- Invensys Foxboro:FBM214, FBM242, B0123HE
- Invensys Triconex:3625, 3700A, 3604E
- Woodward:5462-758B
- HIMA:F2-DO-16-02, F8650E
- Yokogawa:SAI143-S03 S1, F9342L-02
- Honeywell:51402497-200, 51403519-160, 51199194-100, CC-PDO801
- Emerson:KJ4001X1-NB1, 12P3368X012
2. Programmable Logic Controller (PLC)
- Rockwell/Allen Bradley:1734-IB8, 1734-OB8, 1769-L18ER-BB1B, 1756-IM16I
- ICS Triplex:T8461, T8850, T8403, T8431, T8831, T8310
- Schneider Modicon:140DDI85300
- GE Fanuc:IS210AEPSG2B, IS220UCSAH1A, IS215ACLEH1A, IS210AEAAH1B
- Siemens:6ES7331-1KF02-0AB0
- Prosoft:MVI46-DFNT
- Bachmann:MPC240
- Woodhead:9905-068 2301A
3. Turbine Supervisory Instrumentation (TSI)
- Bently Nevada:3500/22M, 138607-01, 3500/25, 3500/53, 3500/32M 149986-02
- EPRO:MMS6110, MMS6120, MMS6220, MMS6312, MMS6410, 6423, 6424
- ENTEK:EK C6622HS, XM124, 1440-SDM02-01RA











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