YOKOGAWA CENTUM CS 3000 - Connecting Signal Cables with Communication Modules

3. Cabling
3-78
TI 33Q01J10-01E
3.7.10 Connecting Signal Cables with Communication
Modules
RS-232C Communication Module ACM11
CN1 CN1
RDY
RCV
SND
YOKOGAWA YOKOGAWA
RDY
RCV
SND
F030719.ai
AMN33
Figure ACM11 Signal Cable Connection
Use modem cable KB3 and null modem cable KB4 with a D-sub 25-pin connector.
Table RS-232C Interface Connector Pin Positions
Pin position Code Signal Description
1 FG Frame Ground Maintenance grounding
2 SD Send Data Transmission data (output)
3 RD Receive Data Receiving data (input)
4 RS Request to Send Transmission request (output)
5 CS Clear to Send Ready for transmission (input)
6 DR Dataset Ready Dataset ready (input)
7 SG Signal Ground Signal common return
8 CD Carrier Detect Carrier detection (input)
20 ER Equipment Ready Data terminal ready (output)
IMPORTANT
When the system is used in Europe, attach a clamp filter (ferrite core) complying with the EMC
standard in order to use RS-232C.
The parts number of the clamp filter is A1179MN.
May 18, 2007-00