Omron S8M - 2-1 Component Names and Functions

14
Component Names and Functions Section 2-1
2-1 Component Names and Functions
Component Names
1. Power Input Terminal Block (+V and −V)
Connect to the 24 VDC input power supply. (The terminal screws are M4.)
2. Branch Output Terminal Block (+V and
−V)
Connect to each branch output. (The terminal screws are M3.5.)
3. Status Indicators (Red or Green)
Indicate the connection and cutoff status for each branch output.
4. External Output Terminals and 5. External Tripping Input Terminal
6. Seven-segment Display (Red)
Displays measured values or set values on a 3-digit LED display.
1. Power Input Terminals
12. RS-232C Port Terminal Block
(The S8M-CP04 is not equipped
with an RS-232C port.)
8. Mode Key
9. Up Key
3. Status Indicators
2. Branch Output Terminals
4. Output Terminals
5. External Tripping
Input Terminal
6. Seven-segment
Display
7. Indicators
11. Reset Key
10. Down Key
Not lit Not connected Set to OFF (disconnected) or forcibly cut off by com-
mand.
Lit green Connected Connected normally.
Flashing
green
Not connected In the startup sequence and waiting for connection.
Lit red Cut off Cut off due to an error.
Flashing red Cut off Cut off by the redundant protection circuit required
for a UL Class 2 output (S8M-CP04-RS only).
4 TRP Tripping Alarm
Output
OFF to indicate when an abnor-
mal voltage or current was
detected and the output was cut
off. (Transistor OFF)
ALM Alarm Output OFF to indicate that the input volt-
age, current, or run time exceeded
the alarm value. (Transistor OFF)
TMP Over-tempera-
ture Output
OFF to indicate that the tempera-
ture exceeded the over-tempera-
ture output value. (Transistor OFF)
5 TRG External Tripping
Input
Can be used to send an input sig-
nal from an external device to cut
off a branch output.
Wire hole
Release button
When removing a
wire, press here to
release the lock.
TRP
ALM
TMP
TRG
+ − + − + − + −