Pilz PSS 3075-3 Series, Manual

Page: 60 / 98

Wiring the Inputs and Outputs
7-10 Operating Manual: PSS 3075-3 Series
Example: Single-channel, failsafe input device, with test pulse
Features:
• Depending on the application area and its respective regulations, this
connection diagram is suitable for applications up to category 2 in
accordance with EN 954-1.
• 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 in the system software’s
PSS Configurator (e.g. PSS WIN-PRO).
• Testing will detect short circuits on the input device cable to L+ and to
other test pulses.
• Only input devices with N/C contacts can be tested.
• Cable runs: 1 ms inputs: 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.