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Manual R06-2016
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ROTARY INDEXING TABLE CONTROLLER EF2...B
COMPONENT DESCRIPTIONS |
3.4 Safety relay
3.4
Safety relay
Type 3SK1122-1CB41
The safety relay 3SK1122 features two safety-related semi-conductor outputs and a non-safety-related semi-con-
ductor signalling circuit.
The front of the device features a 4-way DIP switch for function configuration and 4 LEDs for status and function
indication.
The SET/RESET button is used to save function configurations and to restart the device (reset).
Changes
A time change is only accepted after a RESET. Changed settings do not become valid until after acknowledgement
by pressing the SET/RESET button.
The device runs through a self-test during the start-up. The internal electronics and firmware are checked for proper
function during that. During the operation, all internal safety critical circuit elements are cyclically monitored for
faults. During this, the semi-conductor outputs are checked cyclically for correct function by a light/dark test of max.
2.5 ms length (dynamic).
The safety relays are designed so that applications can be realised up to SIL3 acc. to IEC 62061, PL e / cat. 4 acc.
to ISO 13849-1.
The PL or SIL level which is achievable depends on the external connections.
Depending on the ambient conditions, the device must be installed in a control cabinet with the degree of protection
IP32, IP43 or IP54 (degree of contamination 3).
1 Top cover
2 Top cover; inside label
3 Indicator LEDs
4 DIP switches
5 SET/RESET button
6 Bottom cover
7 Bottom cover; inside label
8 Data matrix code
9 Device labelling plate
Fig. 9:
Sirius Safety Relay
1
7
4
3
9
5
6
2
8
Содержание 3RT2017-1BB42
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