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Working with contacts and
relays
153
02/16 MN05013001Z EN
Test outputs, test signals
easySafety is provided with 4 outputs with test signals T1 to
T4 for detecting cross-circuits at the device inputs or in the
external wiring.
In the following example, the emergency-stop switch S1 is
connected to test outputs T3 and T4. When the emergency-
stop is not triggered, their test signals reach the device
inputs IS9 and IS10. The device monitors the presence of the
uninterrupted test signals at the device inputs. In the event
of a cross-circuit of signals T3 and T4, this is detected by the
device.
Figure 65:
Using test signals
1) Use free-wheel diode suppressors for
ES4P-221-DMX.. devices with
device version 02 and 10
You can configure as required the test outputs you wish to
use for a particular input.
QS2 QS3 QS4
T1
T2
T3
T4
4x Test Signal
NET
ALT
OK
IS6
IS7
IS8
IS9
IS10 IS11 IS12 IS13 IS14
P2
P3
P4
-Q2
-S1
12
22
11
21
-Q2
12
22
-Q1
12
22
31
41
-S2
ea ySafety
1)
A2
A1
Reset
NOT-AUS
Содержание easySafety
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