Pin
Signal
name
Signal
type
Meaning
Default set‐
ting
4
DI7
I
Digital input 7
Infeed line contactor feedback (if one infeed is operated
with a DRIVE-CLiQ connection at the NCU)
---
5
DI20
I
Digital input 20
Freely available
---
6
DI21
I
Digital input 21
Freely available
---
7
G2
GND
Ground for DI4 – DI7 (functionally-separated relative to
M)
8
M
GND
Ground for DI12 - DI15
9
DI/DO12
B
Digital input/output 12
(rapid input)
Output: Infeed operation
(if one infeed is operated
with a DRIVE-CLiQ connec‐
tion at the NCU)
x
Input 2. Operating condi‐
tion OFF2 drives
---
10
DI/DO13
B
Digital input/output 13
(rapid input)
Output: Status, infeed
ready to start (if one infeed
is operated at the NCU with
a DRIVE-CLiQ connection)
x
Input 2. Operating condi‐
tion OFF2 drives
---
Input, external zero mark 2
---
Input probe 2 - central
measurement
---
Input probe 2 - distributed
measurement
---
11
M
GND
Ground for DI12 - DI15
12
DI/DO14
B
Digital input/output 14
(rapid input)
Input 2. Operating condi‐
tion OFF2 drives
---
Input, external zero mark 3
---
Input probe 2 - central
measurement
---
Input probe 2 - distributed
measurement
---
Infeed, control line contac‐
tor
---
13
DI/DO15
B
Digital input/output 15
(rapid input)
Input 2. Operating condi‐
tion OFF2 drives
---
Input, external zero mark 4
---
Input probe 2 - central
measurement
---
Input probe 2 - distributed
measurement
---
14
M
GND
Ground for DI12 - DI15
Signal type: B = Bidirectional; I = Input; GND = Reference potential (ground)
Connecting
8.10 Digital inputs/outputs
NCU 1740
Equipment Manual, 10/2021, A5E51087503B AA
81
