4
Operating instructions
Safety-monitoring module
SRB-E-301MC
EN
3. Mounting
3.1 General mounting instructions
Mounting: snaps onto standard DIN rails to IEC 60715.
Hook bottom of enclosure in DIN rail and push down until it engages in
position.
3.2 Dimensions
All measurements in mm.
Device dimensions (H/W/D): 98 x 22.5 x 115 mm
4. Electrical connection
4.1 General information for electrical connection
The electrical connection may only be carried out by
authorised personnel in a de-energised condition.
To avoid EMC disturbances, the physical ambient and
operational conditions at the place where the product is
installed, must meet the provisions laid down in the
paragraph "Electromagnetic Compatibility (EMC)" of
DIN EN 60204-1.
4.2 Coding of connecting terminals
5. Operating principle and settings
5.1 Description of the terminals and LED indications
Pin
Function
LED Function
A1
Operating voltage
+ 24 VDC
24 VAC
U
B
U
i
Operating voltage OK
Internal fuse OK
A2
Operating voltage
0 V
24 VAC
QS
Cross-wire monitoring active
X1
Output start circuit /
feedback circuit
X2
Input start circuit /
feedback circuit
S11
Output channel 1
+24 VDC
S21
Output channel 2
+24 VDC without QS
0 V with QS
S12
Input channel 1
K1
Status K1
S22
Input channel 2
K2
Status K2
41/42
Signalling contact (NC)
13/14,
23/24,
33/34
Safety outputs
1
S11 13 23 33
34
24
14
S12
A1
X1
41
S22
S
R
B
-E
-3
01
M
C
A2
X2
42
S21
U
i
K1
K2
QS
mode
U
B
