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NOTICE
Ensuring the function of the digital inputs
An open input is interpreted as "low".
Only "rapid inputs" can be used as inputs for BEROs and probes.
Terminals M1 or M2 must be connected for the digital inputs to work. This can be done as
follows:
• Connect the ground reference of the digital inputs.
• A jumper to terminal M (note that these digital inputs are then no longer electrically
Note
For a transient (brief) voltage interruption of the 24 V supply, the digital outputs are switched
inactive for this time.
8.11
USB
Table 8-25
Characteristics
Connector type
Version
Current carrying capacity
Max. cable length
Note
The 5 V power supply is designed to be short-circuit proof.
NCU 1750
Equipment Manual, 10/2023, A5E45627807B AH
isolated).
Cable specification for X125 and X135
Versions
Double USB socket – type A
USB 3.0
0.9 A per channel
3 m
Connecting
8.11 USB
91
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