Pilz PSS67 F 16DI SB-T - Manual (Page 31)

Operating Manual: PSS67 F 16DI SB-T 7 - 5
Example: Single-channel, failsafe input device, without test pulse
Features:
• Depending on the application area and its respective regulations, this
connection diagram is suitable for input devices with frequent and
infrequent operation in accordance with EN 954-1, up to Category 2.
The possibility of a short circuit occurring in the external wiring between
different inputs or against the supply must be eliminated through
appropriate wiring.
• The input device must be approved for failsafe applications.
• Please read the instructions provided with the input device.
CAUTION!
A short circuit in the cable between the input device and input with the 24
VDC line or between adjacent input devices will not be detected.
Depending on the type of input device connected, this could create a risk to
both personnel and machinery (e.g. E-STOP). Always ensure that the unit
is suitably wired to eliminate the risk of short circuits.