Connecting the Inputs and Outputs
5-16 Installation Manual: PSS 3056 Series
On-board single-pole 2 A outputs/test pulses
PSS 3056 PSS 3056-1 PSS 3056-2
PSS SB 3056
Number 16 16 8
Configuration O1.0 - O1.15 O1.0 - O1.15 O1.0 - O1.3
O1.8 - O1.11
Features:
• The outputs are push-pull outputs. Do not use the push-pull level to drive
a load to L-, otherwise the switch off test will detect a connection to L+ and
will register an error.
• The outputs can be configured as test pulse outputs or single-pole 2 A
outputs in groups of 8 (standard PSS 3056, PSS 3056-1 and PSS SB
3056) or 4 (PSS 3056-2). The following configuration is set automatically,
depending on the number of test pulses configured in the programming
device:
Standard PSS 3056, PSS 3056-1 and PSS SB 3056:
Number
< 8: O1.00 ... O1.07 are test pulse outputs
O1.08 ... O1.15 are single-pole 2 A outputs
Number > 8: O1.00 ... O1.15 are test pulse outputs
Number = 0: O1.00 ... O1.15 are single-pole 2 A outputs
PSS 3056-2:
Number
< 4: O1.00 ... O1.03 are test pulse outputs
O1.08 ... O1.11 are single-pole 2 A outputs
Number > 4: O1.00 ... O1.03 and O1.08 ... O1.11 are test pulse outputs
Number = 0: O1.00 ... O1.03 and O1.08 ... O1.11 are single-pole 2 A
outputs
• Two adjacent inputs must not be connected to the same test pulse.
NOTICE
When using single-pole outputs, always ensure that line or cable breaks
and short circuits between lines can always be detected, or ensure they
cannot occur by using appropriate wiring.
• Outputs configured as 2 A outputs have monitoring inputs available
under the same address. These can be used for feasibility checks.
• If cable runs are greater than 200 m with a cable cross section of
1.5 mm
2
, or cable runs are greater than 300 m with a cable cross section
of 2.5 mm
2
, the operating system will not detect a short circuit to earth.
• If cable runs are greater than 800 m, interference from switching
operations in 24 VDC signals may affect the test pulse outputs.
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