Installation Manual
HB-37350-810-31-09F-EN KSM31R Installation Manual.doc
Page 21 of 28
5.2.5 Dual-channel relay output with external control circuit in PL e
For safety applications from PI d and higher acc. to EN ISO 13849-1. The external circuit is
controlled in dual-channel mode via the relay outputs. For PL e according to EN ISO 13849-1,
a sufficiently high testing rate (see the remarks) is required as well as PL e for the external
circuit.
X17
X14
K1
K2
IO01
IO02
P1
P2
X12
DI01
DI02
DI03
DI04
L +
L -
X17.1
X17.2
X17.3
X17.4
X14.1
X14.2
X14.3
X14.4
X12.1
X12.2
X12.3
X12.4
X7
K1/11
K1/12
K2/11
K2/12
X7.1
X7.2
X7.3
X7.4
Ple
STO
Safety note:
For safety circuits, EN ISO 13849-1 yields the following requirements for the test interval:
Cat 3 / PL d: Testing once per year
Cat 4 / PL e: Testing once per month.
