Omron S8AS User Manual page 46

Specifications
External Output and External Tripping Input Specifications
I/O Circuit Configuration
Name
Tripping Alarm Output (TRP),
Undervoltage Detection Out-
put (LOW), Maintenance Fore-
cast Monitor Output (LFE) and
Over-temperature Output
(TMP)
Note A photo relay with a
photo MOS-FET and
infrared diode coupling
is used.
External Tripping Input (TRG)
28
The S8AS has 4 external outputs: the Tripping Alarm Output (TRP), Under-
voltage Detection Output (LOW), Maintenance Forecast Monitor Output
(LFE), and Over-temperature Output (TMP). It also has an External Tripping
Input (TRG).
Tripping Alarm
Output circuit
Undervoltage
Detection Output
circuit
Maintenance
Forecast Monitor
Output circuit
Over-temperature
Output circuit
External Tripping
Input circuit
Output circuit
From internal power supply circuit
Signal from CPU
Input circuit
TRG (+)
TRG (−)
Note When a branch output is cut off with the External Tripping Input, it cuts off
power to the branch output even faster than turning OFF the S8AS's power
supply.
TRP
LOW
LFE
TMP
Output common
TRG+
TRG−
Circuit configuration
TRP
LOW
LFE
TMP
COM
Section 2-3
I/O specifications
30 VDC and 50 mA
max.
19.2 to 30.0 VDC
Minimum signal width:
10 ms