10 • 750-462 (/xxx-xxx) [2 AI Thermocouple]
Display
Elements
WAGO-I/O-SYSTEM
750
I/O
Modules
2.1.1.4 Display Elements
LED Channel State
Function
off
No operational readiness or the internal data bus
communication is interrupted
A
green
on
Operational readiness and trouble-free internal data
bus communication
off Normal
operation
750-462,
750-462/000-001,
-002, -006, -007,
-008, -009 ,-010,
-011, -050 ,-061,
Overrange/underflow of the
admissible measuring range
B
red
1
on
750-462/000-003 -
off
No operational readiness or the internal data bus
communication is interrupted
C
green
on
Operational readiness and trouble-free internal data
bus communication
off Normal
operation
750-462,
750-462/000-001,
-002, -006, -007,
-008, -009 ,-010,
-011, -050 ,-061,
Overrange/underflow of the
admissible measuring range
13
14
C
D
B
A
D
B
C
A
Fig. 2.1.1-2:
Display elements
g045202x
D
red
2
on
750-462/000-003 -
2.1.1.5 Schematic Diagram
Shield
(screen)
+TC1
+TC2
-TC1
+TC
270pF
-TC2
-TC
20nF
270pF
A
D
Logic
MUX
J
Comp
Common
(ground)
Function
Error
Shield
(screen)
Common
(ground)
1
2
3
4
5
6
7
8
750-462
Fig. 2.1.1-3: 2-Channel Analog Input Module 750-462
g046201e
