10
D1061
- RS422 / RS485 Fieldbus Isolating Repeater
G.M. International ISM0068-12
1
2
7
8
4
4
Configuration
Proper configuration is obtained using internal dip-switches. The user can configure the operating mode on both Hazardous and Safe side, as RS422, RS485, RS232 (RS232 is available
only on Safe side), the baud rate of the communication from 1200 b/s to 1.5 Mb/s and the frame length of a byte, indicated as data size (7 or 8 bit), parity (none, even or odd) and number
of stop bit (1 or 2). The connection of line terminating resistors can also be configured.
Dip switch configuration
Side A Panel View
SW2
SW3
Safe Area
Serial Line
Connection Type
RS232
RS422
5 V on pin 6
SUB D connector
Unconnected pin 6
SUB D connector
RS485
3
4
5
6
6
5
5
2
1
3
6
Safe Area
Termination
250
Ω
between
A- and B+
Disabled
Termination Resistor Configuration
Serial Line Type Hardware Configuration
8
7
ON
ON
1
2
3
4
ON
6
7
8
5
1
2
3
4
ON
6
7
8
5
SW2
SW3
Serial Line Type
Hardware Configuration
Termination Resistor
Configuration
(Safe Area)
ON ON
OFF OFF
ON ON OFF OFF OFF OFF
OFF OFF ON
ON ON
4
4
5 V on pin 6
SUB D connector
Unconnected pin 6
SUB D connector
2
1
3
OFF OFF ON
ON OFF
ON
OFF
ON
OFF
Factory settings
Factory settings
Factory settings
Factory settings
