Pilz PSS Series - Example: Single-Channel, Failsafe Input Device, with Test Pulse

Operating Manual: PSS SB 3006-3 Series
7-7
24 V DC
L+
L-
0 V
T 0
T 1
I 0.0
I 0.1
I 0.2
I 0.3
I 0.4
I 0.5
X1
Please ensure safety regulations and EMC guidelines are met!
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 (see Programming Manual for the PSS-range).
• Short circuits between the cable from the test pulse to the input device
and the cable from the input device to the input will not be detected.
• Only single-channel safe input devices, i.e. positively-driven normally-
closed contacts which operate according to the failsafe principle, can be
tested.
Additional input devices
Single-channel, failsafe
input device
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