
2
2.4
Safe digital relay outputs (floating contacts)
The safety module has four safety relays each with two floating relay contacts (relay
outputs), which can be used as follows:
For two-channel assignment:
For single-channel assignment:
Basic structure
Figure 2-3
Basic representation of the relay outputs
Key:
(For connections, see "Terminal point assignment" on page 3-4)
Technical data
For the technical data for the safe relay outputs, please refer to page 11-4.
Fuse protection
Protect the relay outputs against overcurrent with a suitable fuse. Fuses with an l
2
t value
of less than 100 A
2
s and a nominal current of less than or equal to 6 A are permitted.
At 24 V DC, a 4 A miniature circuit breaker with characteristic C can be used, whereby the
maximum short-circuit current (IK) of 250 A must not be exceeded. Make sure that the
miniature circuit breaker trips in the event of a short circuit for your DC application. This
depends on the power supply unit used.
–
Two two-channel relay outputs
–
Four single-channel relay outputs
OUT0_Ch1
Relay output 0, channel 1
OUT0_Ch2
Relay output 0, channel 2
OUT1_Ch1
Relay output 1, channel 1
OUT1_Ch2
Relay output 1, channel 2
OUT0_Ch1
24 V
OUT0_Ch2
24 V/250 V
OUT1_Ch1
24 V
OUT1_Ch2
24 V/250 V
VersaPoint
COMBICON
75562008
X1
X2
X3
X4
13
1.2
14
1.3
13
2.2
14
2.3
13
3.2
14
3.3
13
4.2
14
4.3
23
5.1
24
5.2
23
5.3
24
5.4
23
6.1
24
6.2
23
6.3
24
6.4
Signal
Relay contact
Terminal point
Connector
Relay contact
Terminal point
Connector
WARNING: Loss of the safety function when using miniature circuit breakers
Miniature circuit breakers are not suitable for protection in the 230 V 50/60 Hz mains and
must not be used.
2-4
User manual IC220SDL840 -
May 2018
GFK-2734
Содержание VersaSafe VersaPoint IC220SDL840
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