MODEL: R1M-GH
R1M-GH SPECIFICATIONS
ES-5657 Rev.11 Page 3/9
EXTERNAL VIEW
RS-485
Connector
Power Terminals
Node Address
Setting Rotary SW
Configurator
Jack
RUN Indicator
LED
RS-232-C
9-pin Connector
ABBR.
PIN NO. EXPLANATION OF FUNCTION
BA (SD)
2
Transmitted Data
BB (RD)
3
Received Data
AB (SG)
5
Signal Common
CB (CS)
7
Clear to Send
CA (RS)
8
Request to Send
1
Not Used.
4
DO NOT connect. Connecting may
6
cause malfunctions.
9
1
5
6
9
■
RS-232-C INTERFACE
MODBUS WIRING CONNECTION
R1M
T1
T2
T3
T4
R1M
T1
T2
T3
T4
T1
T2
T3
T4
R1M
CONNECTO
R
RS-232-C
RS-485
*
1
*
1
*
1. Internal terminating resistor is used when the device is at the end of a transmission line.
*
2. Install shielded cables to all sections and ground them at single point.
*
2
FG
RS-485
