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Operating Instructions
6.2.1
Parameterization
The safety function depends on the parameterization via DIP- and rotary coded switches. The
following switches are available:
Switch
Description
NC / NO
“Normally closed” (NC) or “Normally open” (NO) operation
LM / off
Line monitoring for wire break and short curcuit activated (LM) or deactivated (off)
44
Input x assigned to output x
12/12
Input 1 assigned to output 1 and 2, input 3 assigned to output 3 and 4
11/13
Input 1 assigned to output 1, input 2 assigned to output 2, 3 and 4
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Input 1 assigned to output 1, 2, 3 and 4
The following table describes the cases for the execution of the safety function.
The relay output is within 20 ms de-energized depending on the input signal and the
parameterizsation:
Input signal (sensor state)
according IEC 60947-5-6
LM / off
NC / NO
wire break
off
NO
LM
NC or NO
short circuit
off
NC
LM
NC or NO
open
LM or off
NO
closed
LM or off
NC
Normally closed, NC for short, stands for a contact or switch that opens when activated. Nor-
mally open, NO for short, stands for a contact or switch that closes when activated.
IMX18-DI
11
/13
12/12
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14
Ch1
Pwr
Ch2
Ch3
Ch4
NC / NO 1
LM / off 1
NC / NO 2
LM / off 2
NC / NO 3
LM / off 3
NC / NO 4
LM / off 4
23
20
17
14
24
21
18
15
22
19
16
13
11
8
5
2
12
9
6
3
10
7
4
1
Power
Status
Fault
NC/NO =
LM/off =
Output mode
Line monitoring
Assignment:
Input I… to
Output O… /
Signal multiplexing