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INTELLIGENT ACTUATOR
Appendix
 General-Purpose RS232 (2-Channel RS232 Unit)
(1) Specifications
The 2-channel RS232 unit is a dedicated D-sub, 9-pin RS232 interface. This unit can be used when a
general-purpose RS232 device is connected.
RS232 Connector Specifications
Item Overview Details
Applicable
connector
D-sub, 9-pin connector (DTE) XM2C-0942-502L (OMRON)
Connector name S1/S2
Maximum
connection
distance
10M At 38400 bps
Applicable
interface standard
RS232
Connected unit AT-compatible PC, etc. Half-duplex communication
Connection cable PC-AT standard 232C cross-cable
1 in (CD) (Carrier detection: Not used)
2 in RD Received data (RXD)
3 Out SD Transmitted data (TXD)
4 Out ER Equipment ready (DTR)
5 in SG Signal ground
6 in DR Data set ready (DSR)
7 Out (RS) (Request to send (RTS): Not used)
8 in (CS) (Clear to send (CTS): Not used)
Terminal
assignments
9 NC Not used
(2) Communication Cable
RC232 wiring
Flow controls (software flow controls or hardware flow controls) are not implemented.
If the other side does not implement flow controls, either, a commercial RS232 cross cable can be used.
Or
Control
circuit
Expanded SIO board
D-sub, 9-pin
Provided by the customer
D-sub, 9-pin
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