Display Elements - WAGO 750 Series Manual

8 • 750-479 [2 AI DC ±10 V, Differential Measurement Input]

Display Elements

Attention
This module has no power contacts. For field supply to downstream I/O
modules, a supply module will be needed.
The analog input module 750-479 can be used with all couplers/controllers of
the WAGO-I/O-SYSTEM 750 (except for the economy types 750-320, -323,
-324 and -327).
2.1.1.3 Display Elements
13 14
A
A
B
B
Fig. 2.1.1-2: Display
Elements
g041802x
LED Channel
A
green
B
red
C
C
D
D
C
green
D
red
Designation State Function
Function
AI 1
1
Error
AI 1
Function
AI 2
2
Error
AI 2
No operational readiness or the
off internal data bus communication
is interrupted
Operational readiness and
on trouble-free internal data bus
communication
off Normal operation
Overrange/underflow of the
on
admissible measuring range
No operational readiness or the
off internal data bus communication
is interrupted
Operational readiness and
on trouble-free internal data bus
communication
off Normal operation
Overrange/underflow of the
on
admissible measuring range
WAGO-I/O-SYSTEM 750
I/O Modules