Example: Single-Channel, Failsafe Input Device, With Test Pulse - Pilz PSS Series Installation Manual

Connecting the Inputs and Outputs

Example: Single-channel, failsafe input device, with test pulse

Features:
• The input device must be approved for failsafe applications.
• Please read the instructions provided with the input device.
• The test pulse must be allocated to the input via the configurator on the
programming device.
• Testing will detect short circuits between lines L+ and L-, and also
between the pulsed outputs.
• Only input devices with N/C contacts can be tested.
• Cable runs:
- 200 m
- With 1 kOhm resistance parallel to input: max. 800 m
CAUTION!
Short circuits between the cable from the signal to the input device and the
cable from the input device to the input will not be detected.
5-12
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Installation Manual: PSS 3056 Series