Panasonic ST4 Instruction Manual
2.2 Part Description
11
Terminal name
Description
X1
X2
X3
Reset input terminals (When X1 and X2 are connected: manual reset, and when X1 and
X3 are connected: auto reset)
T1
T2
AUX
Emission halt input terminals
(Open: emission halt, Short-circuit: emission)
OSSD 1
OSSD 2
A1
Control output (OSSD 1/2)
A2 0V
2.2.2 Elements of the Multifunctional Controller ST4-C12EX
7
0
2
3
4
5
6
8
9
1
{
}
q
w
e
r
t
y
u
Identifier
Function
1
Emitter connector
Connects the emitter of the ST4-A
□
.
2
Receiver connector
Connects the receiver of the ST4-A
□
.
3
Power indicator (Green)
Lights up while power is ON.
4
Fault display (Red)
7-segment lights up when an error occurs.
For details, refer to Troubleshooting (see page 79).
5
Interlock indicator (Yellow)
Lights up while the interlock is ON.
Turns OFF when an error occurs or the control output (OSSD 1/2) is ON.
6
Emission halt indicator
(Orange)
Lights up while the emission halt function is valid.
7
Control output indicator
Lights up while the control output (OSSD 1/2) is ON.
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