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PE22 / ELC - eta plus electronic GmbH

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3 Installation page 12<br />

Overview pin assignment<br />

The connector pin assignment is shown in Fig. 8 and will be explained in the following tables.<br />

X1.1 X1.2 X1.3 X3.1 X3.2 X3.3 X3.4<br />

INIT<br />

PIN<br />

SAFETY<br />

CONT1<br />

INIT<br />

GND<br />

SAFETY<br />

REL<br />

BUS<br />

VCC<br />

<strong>ELC</strong> <strong>PE22</strong>_PE32-V2.2-09.11-GB Subject to technical alterations<br />

BUS B BUS A BUS<br />

GND<br />

SAFETY PROFIBUS<br />

SAFETY<br />

CONT2<br />

SAFETY<br />

GND<br />

BUS<br />

VCC<br />

BUS B BUS A BUS<br />

GND<br />

X2.1 X2.2 X2.3 X4.1 X4.2 X4.3 X4.4<br />

Fig. 8 Connector strip for <strong>ELC</strong> control<br />

Pin assignment of initialisation signal<br />

Designation Number Description technical<br />

INIT PIN X1.1 Input initialisation signal for<br />

safety shutdown +24Vext.<br />

24V DC ± 10% external<br />

supply<br />

INIT GND X1.2 GND Reference potential for X1.1<br />

Pin assignment of safety relay<br />

Designation Number Description technical<br />

SAFETY REL X1.3 Control signal input safety relay<br />

+24V DC<br />

Control pulse (+24V DC ±<br />

10% / 35mA) for the safety<br />

relay in reference to X2.3<br />

(GND)<br />

SAFETY CONT1 X2.1 Feedback contact 1 safety relay NCC 24V / 4A<br />

SAFETY CONT2 X2.2 Feedback contact 2 safety relay NCC 24V / 4A<br />

SAFETY GND X2.3 GND Reference potential for X1.3<br />

(safety relay)

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