Industrial Data Systems IDS 152 - Manual (Page 36)

6.2 RS232 INPUT CONNECTIONS
RS232 INPUT CONNECTIONS
signal name direction pin number
RXD INPUT to 152 3
CTS OUTPUT from 152 5
GND 7
6.3 CURRENT LOOP INTERFACE
CURRENT LOOP INTERFACE
INPUT Clt + 8
Clt - 22
NOTE: When using current loop set dip switch 2 OFF, dip switch 1 on
6.4 PULSE INPUT INTERFACE
PULSE INPUT INTERFACE
Signal name pin number
Pulse input (+24v) 15
Return (gnd) 22
Note: Pulse input uses pins 15(+) and 22(return). The pulse
signal voltage should be 24V. Consult the factory for
other voltage ranges.