4
Operating instructions
Safety-monitoring module
SRB-E-402ST
EN
3. Mounting
3.1 General mounting instructions
Mounting: snaps onto standard DIN rails to EN 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.
If mains unit is a new installation or a replacement, the
connector of the output level must be removed and correct
connection of the power supply (A1) must be checked.
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
+ 24DVC
RUN
Operating voltage OK
RUN mode
For flash code,
see section 6.1
A2
Operating voltage
0 V
ERR
Error code
refer to part 6.2
X2/X4
Inputs
start circuit
X3/X5
Inputs
feedback circuit
X7
Input
Release signal
S11/S21
S31/S41
Test pulse outputs
S12
S22
Input channel 1
Input channel 2
In1/2
High level at S12/S22
For flash code,
see section 6.1
S32
S42
Input channel 1
Input channel 2
In3/4
High level at S32/S42
For flash code,
see section 6.1
Y1
Signalling output (NC)
41/42
Signalling contact (NC)
13/14,
23/24,
Safety outputs
(safety function 1)
Out 1
Outputs activated
For flash code,
see section 6.1
Q1/Q2
Safety outputs
(safety function 2)
Out 2
Outputs activated
For flash code,
see section 6.1
1
1
S11 S12 S21 S22
A1
A2
X3
X2
Q2
Q1
X7
Y1
S
R
B
-E
-4
02
ST
24
23
14
13
42
41
X5
X4
S31 S32 S41 S42
mode 2
mode 1
RUN
ERR
ln 1 / 2
ln 3 / 4
Out 1
Out 2
