RKC INSTRUMENT FAREX SR MINI SYSTEM - OPM or OPM Z-191 Connection

2. CONNECTING
IMSRM04-E8
14
2.3.2 OPM or OPM Z-191 connection
1
13
1425
Connector used: SDBB-25S
(Manufactured by HIROSE ELECTRIC CO.,LTD.)
The customer must prepare the communication cables.
These cables (excluding RS-485) are also available from RKC.
Recommended connector type: SDBB-25P
(Manufactured by HIROSE ELECTRIC CO.,LTD.)
Specify when ordering
RS-422A
RS-485
RS-232C
Host computer
Connector pin numbers
Operation panel
Connect to the
host communication
connector [HOST]
Connect to the
communication
connector



RS-422A
Pin number and signal name
Pin No. Mark Name
Signal Direction
Operation panel Host computer
2 T(A) Send data
14 T(B) Send data
8 SG Ground for signal
4 R(A) Receive data
16 R(B) Receive data
Contents of communication cable wiring
2
14
8
4
16
Shielded twisted
pair wire
(Maximum connections: 16 units)
Paired wire
Host computer
T (A)
T (B)
SG
R (A)
R (B)
TXD
TXD
SG
RXD
RXD
Operation panel
TXD and RXD : negative logic.