Quick guide
Quick Start Adjusters and LEDs are on the electronic insert
in the separate housing T3.
Adjustment and function
Max. = Maximum fail-safe
Min. = Minimum fail-safe
= LED on
= LED off
Min.
Max.
B
< 12 V
∆
U
I
1
2
< 4 mA
I
1
2
FEM 41
1 2
< 12 V
∆
U
I
1
2
< 4 mA
I
1
2
red
red
red
Electronic insert FEM 41
for two-wire
AC power supply.
Electronic switch
FEM 44
1 2
3 4 5
3
3
4
4
5
5
Min.
Max.
3
4
5
3
4
5
B
red
red
red
Electronic insert FEM 44
for universal power supply.
Relay output
with one potential-free
changeover contact (SPDT)
Min.
Max.
B
A
FEM 45
4
3
2
1
5
7 8 9
7
1
8
2
9
3
7
1
8
2
9
3
7
1
8
2
9
3
7
1
8
2
9
3
red
red
red
Switching delay
Page 20
green
Standby
Electronic insert FEM 45
for universal power supply.
Relay output
with two potential-free
changeover contacts (DPDT)
Quick guide
FTM 30 DR, FTM 31 DR, FTM 32 DR