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ABB AC31 - Digital inputs

ABB AC31
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Digital inputs
Data Value
Number of channels per device 16
Connections Connector X2 (terminals X5.0…X5.7)
Connector X3 (terminals X6.0…X6.7)
Division of channels in groups 2 groups with 8 channels (not electrically iso-
lated!)
Voltage supply UP (supplies module DA501 and 502)
Common reference potential:
-> for group 1 (8 channels) ZP (terminals 5.0 ... 5.07)
-> for group 2 (8 channels) ZP (terminals 6.0 ... 6.07)
Electrical isolation: Electrical isolation from group to group is
no longer available.
Electrical isolation from DA501 and DA502
(reference ZP) to the rest of the device
(reference M) is available.
On DA501 and DA502, all channels have
the same potential ZP. Voltage supply
UP/ZP.
AGND1 and AGND2 of the analog chan-
nels are internally connected to ZP via
PTC resistorsFig. 18.
Configurability of the inputs Input delay configurable (0.1 ms, 1 ms, 8 ms
and 32 ms). Default: 0.1 ms.
Channels for high-speed counters
Ä
Chapter 1.4.1.3.4.6 “Digital inputs/outputs”
on page 48
Channels for high-speed counters are imple-
mented with the inputs/outputs (channels: 4.0
and 4.1).
Indication of the input signals One yellow LED each per channel. The LED
corresponds functionally to the input signal.
Input signal voltage: 24 V DC
-> 0 signal -3 V…+5 V
-> Undefined signal state +5 V ... + 15 V
-> 1 signal +15 V ... + 30 V
Input current per channel:
-> Input voltage = +24 V Typ. 5.0 mA
-> Input voltage = + 5 V > 1 mA
-> Input voltage = +13 V > 2 mA
-> Input voltage = +30 V < 8.0 mA
Max. cable length unshielded 600 m
Max. cable length shielded 1000 m
For further information, please refer to the existing documentation
System description Advant Controller 31.
AC31 Adapters
Replacement devices: CPU > Replacement device 07KT9x-AD
2018/09/243ADR010122, 8, en_US46

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