Description of the hardware
5.3 Connecting/wiring
Modular Safety System 3RK3
70 System Manual, 10/2008, 926 2530-02 DS 02
Connection methods of the safety-related inputs without cross-circuit detection
1 x single-channel sensor 1 x two-channel sensor
6HQVRU
,1
/
6HQVRU
,1
,1
/
IN1, IN2 Sensor inputs
Relay outputs
Safety-related outputs of the central unit are configured with 2 channels, those of the
expansion modules with 1 channel. To achieve a performance level d / e or SIL 3 of the
expansion modules, 2 relay outputs must be interconnected in combination.
Connection methods of the safety-related relay outputs
CAUTION
Overload
Please note that the connected loads must be protected accordingly to prevent the relay
contacts from being fused together.
2 x single-channel actuator shutdown 1 x two-channel actuator shutdown
4
4
4%
4$
0
4
4
/
4$
0
4%
0
4
4
4%
4$
0
4
4
/
4$
4%
0
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