Freely selectable serial interface

W&T interface modules equip devices having only a serial TTL interface with almost any desired standard interface type. In addition the modules allow you to adapt the interface types of many W&T devices over a wide range. The modification is done by simply replacing the standard interface modules with modules of the desired interface type.

Product properties:

Interfaces:

• 1 x serial standard interface
  • 9-pin SUB-D connector
• 1 x TTL interface
  • 12-pin male header with 2mm spacing

Management and connectivity:

• Tiny plug-in interfaces
• Complete selection of interfaces
  • RS232
  • RS485/RS422
  • RS232/RS422/RS485 (selectable interface type)
  • Profibus
  • 20mA

Standards & more

• Conforms to standards both in office and industrial environments:
  • High noise resistance for industrial environments
  • Low noise emission for residential and business areas
• 5 year guarantee

Background information: Due to their modular design, all W&T Com-Servers and most W&T PC cards can be equipped with various port types. In contrast to standard devices that are equipped only with RS232 ports, the interfaces of W&T equipment can be modified by simply replacing the existing interface modules with the desired ones.

Product Data

Connections and displays:
		RS232/RS422/RS485 Combi-module 5V version: #18813, 3.3V version: #18833
TTL plug adapter:		Terminal strip, 2mm spacing
Serial port:		9-pin SUB-D adapter
Operating modes:		RS232 RS422 RS485 2/4 wire with handshake control RS485 2/4 wire with automatic control
Switching time:		approx. 10µs for switching from data send to receive for RS485 automatic control (can be changed on request)
Transfer rate:		RS232: max. 1MBaud RS422/RS485: max. 10MBaud
Signals:		RS232: RxD,TxD,RTS,CTS,DSR,DCD,DTR,RI RS422: RxD,TxD,CTS,DTR RS485: RxD, TxD
Termination:		Connectable termination network
Power supply:		18813: 5V, 40mA (typ.) 18833: 3.3V, 40mA (typ.)
		RS232 DTE module, #18811
TTL plug adapter:		Terminal strip, 2mm spacing
Serial port:		9-pin SUB-D adapter
Transfer rate:		max. 115,200 baud
Signals:		RxD,TxD,RTS,CTS,DSR,DCD,DTR,RI
Power supply:		5V, 20mA (typ.)
		RS422/485 module, #18611
TTL plug adapter:		Terminal strip, 2mm spacing
Serial port:		9-pin SUB-D adapter
Operating modes:		RS422 RS485 2/4 wire with handshake control RS485 2/4 wire with automatic control
Switching time:		approx. 10µs for switching from data send to receive for RS485 automatic control (can be changed on request)
Transfer rate:		max. 10MBaud
Signals:		RxD,TxD,CTS,DTR
Termination:		Connectable termination network
Power supply:		5V, 40mA (typ.)
		RS422/485 module with overvoltage protection, #18613
TTL plug adapter:		Terminal strip, 2mm spacing
Serial port:		9-pin SUB-D adapter
Operating modes:		RS422 RS485 2/4 wire with handshake control RS485 2/4 wire with automatic control
Switching time:		Selectable 10µs / 50µs for switching from data sending to receiving for RS485 automatic control (can be changed on request)
Transfer rate:		max. 5Mbaud
Signals:		RxD,TxD,CTS,DTR
Overvoltage protection:		Transil diodes (Umax 9.2V at Imax = 20A and t = 10/1000µs)
Termination:		Connectable termination network
Power supply:		5V, 40mA (typ.)
		Profibus module, #18612
TTL plug adapter:		Terminal strip, 2mm spacing
Serial port:		9-pin SUB-D female
Operating mode:		RS485 2-wire mode with echo suppression and automatic control of the RS485 transceivers
Switching time:		approx. 1µs for switching from data send to receive (can be changed on request)
Transfer rate:		max. 10MBaud
Signal lines:		Bus A/B Vcc and GND for supply of the external termination network
Power supply:		5V, 40mA (typ.)
		20mA module, #18411
TTL plug adapter:		Terminal strip, 2mm spacing
Serial port:		9-pin SUB-D adapter
Transfer rate:		max. 19.200 kBaud
Signals:		RxD,TxD
Operating modes:		active/passive mode
Power supply:		5V, 10mA / 12V, 40mA (typ.)
		20mA module, #18412
TTL plug adapter:		Terminal strip, 2mm spacing
Serial port:		9-pin SUB-D adapter
Transfer rate:		max. 19.200 kBaud
Signals:		RxD,TxD
Operating modes:		active/passive mode
Power supply:		3.3...5V, max. 210mA at 3.3V
Dimensions and other data
Dimensions:		45 x 32 x 14mm (L x W x H)
Enclosure rating:		IP00
Weight:		approx. 15g

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