YOKOGAWA EXAxt ZR22G, User Manual, Page: 81 / 211

<5. Wiring>
5-4
IM 11M12A01-02E 16th Edition : Mar. 19, 2020-00
1
FG
2
AO-1
(+)
3
AO-1
(-)
4
AO-2
(+)
5
AO-2
(-)
6
CJ
(+)
7
CJ
(-)
8
TC
(+)
9
TC
(-)
10
CELL
(+)
11
CELL
(-)
12
FG
13
DI-1
14
DI-2
15
DI-C
16
AI
(+)
17
AI
(-)
18
AC-
ZERO
19
AC-
SPAN
20
AC-
COM
21
FG
22
FG
CELL
(+)
CELL
(-)
TC
(+)
TC
(-)
CJ
(+)
CJ
(-)
23
DO-1
24
DO-1
25
DO-2
26
DO-2
27
DO-3
28
DO-3
29
DO-4
30
DO-4
31
HTR
32
HTR
33
L
34
N
35
G
36
FG HTR HTR
100-240V AC
50/60 Hz
F5-3E.ai
ZR402G Separate type
Zirconia Oxygen/Humidity Analyzer, Converter
ZR22G Separate type
Zirconia Oxygen/Humidity Analyzer, Detector
Analog
output 2
Analog
output 1
4-20 mA DC
4-20 mA DC Digital output
Contact
input 2
Contact input 1
Contact
output 1
Contact
output 2
Contact
output 3
Contact
output 4
Solenoid valve
for automatic calibration
Solenoid valve
for automatic calibration
Automatic Calibration Unit
ZR40H
Zero gas
Span gas
*1
*1
The ground wiring of the converter should be connected to either the protective ground terminal in the equipment or
the ground terminal of the converter case.
Ground to earth, ground resistance: 100 Ω or less.
*1
*1
Temperature transmitter input
4 to 20mA
(Only for Humidity Analyzer)
Figure 5.2 Wiring connection to the converter
5.1.3 Mounting of Cable Gland
For each cable connection opening of the converter, mount a conduit that matches the thread
size, or a cable gland.
EXA ZR402G
Ground terminal (M4)
Adapter for 1/2NPT thread
F5-4E.ai
8-G1/2, 8-1/2NPT
or the like
(Wiring connection)
Figure 5.3 Cable gland mounting