Product Features: - Industrial asynchronous communication board 4/8 ports
- Mode RS232, RS422, RS485, Power (current) loop 20 mA, TTL
- Communication units type 16C550
- Interface in external metallic connection case
- Extra protection against lightning ESD (of more than 22 kV)
- Speed of up to 115 200 bits/s
- Driven like standard COM ports
Connections: - Link between board and case by reinforced round cable and a vibration resistant link
- Case RS232 : 4 or 8 SUB D25.
- Case RS422 without insulation: 4 or 8 SUB D25.
- Case RS422/ RS485 isolated 3 KVeff: SUB D9 for each line.
- current loop case 20 mA isolated: SUB D9 for each line.
- Mode TTL without case: connector MDR 100 points.
- Modular case with mixed interface (RS232, RS422, RS485, current loop).
Signals: - Under RS232: TxD, RxD, RTS, CTS, DSR, DCD, DTR, RI.
- Under RS422: TxDa, TxDb, RxDa, RxDb.
- Under RS485: +Tx/Rx, -Tx/Rx. (reversal by software via RTS)
- Under current loop 20 mA: +TxD, +RxD, -TxD, -RxD.
Adressing: Parametrable via set of switches Applications: All asynchronous communication applications (Industrial Informatics, Industrial Automation, Access Control, Transport Ticket Machines, DAB/ GAB Bank Systems, Sale Points Terminals).
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