18
Device Description
WAGO-I/O-SYSTEM 750
750-539 4DO 24V DC VALVE Ex i
Manual
Version 1.0.1
3.3
Display Elements
Figure 5: Display Elements
Table 6: Legend for Figure “Display Elements”
Channel
Desig-
nation
LED
State
Function
1
State
DO 1
A
off
Output DO 1: Signal voltage (0)
green
Output DO 1: Signal voltage (1)
Diagnostic
DO 1
C
off
Output DO 1: No error
red
Output DO 1: Short circuit or
wire break
2
State
DO 2
E
off
Output DO 2: Signal voltage (0)
green
Output DO 2: Signal voltage (1)
Diagnostic
DO 2
G
off
Output DO 2: No error
red
Output DO 2: Short circuit or
wire break
3
State
DO 3
B
off
Output DO 3: Signal voltage (0)
green
Output DO 3: Signal voltage (1)
Diagnostic
DO 3
D
off
Output DO 3: No error
red
Output DO 3: Short circuit or
wire break
4
State
DO 4
F
off
Output DO 4: Signal voltage (0)
green
Output DO 4: Signal voltage (1)
Diagnostic
DO 4
H
off
Output DO 4: No error
red
Output DO 4: Short circuit or
wire break
