YOKOGAWA ZR22G User Manual page 73

ZR802G Zirconia Oxygen /
Insulation
High Temperature Humidity Analyzer, Converter
resistance tester
- +
1 2 3 4 5
FG AO1 AO1 AO2 AO2
(+) (-) (+) (-)
12 13 14 15 16
FG DI-1 DI-2 DI-C AI
(+)
Contact
input 2
Contact input 1
23 24 25 26 27
DO-1 DO-1 DO-2 DO-2 DO-3 DO-3
Remove wiring to connect external circuits
and Connect crossover wiring
Insulation
resistance tester
- +
Figure 3.21
6 7 8 9 10
CJ CJ TC TC CELL
(+) (-) (+) (-) (+)
17 18 19 20 21 22
AI AC- AC- AC- FG FG
(-) ZERO SPAN COM
Solenoid valve for zero gas
Span gas
for automatic calibration
Solenoid valve for zero gas
for automatic calibration
Zero gas
Automatic Calibration Unit
28 29 30 31 32 33
DO-4 DO-4 HTR HTR L
Insulation
resistance tester
- +
<3. Installation>
Model ZR22G Separate type Zirconia Oxygen /
High Temperature Humidity Analyzer, Detector
11
CELL CELL
CELL
(+)
(-)
34 35
N G
IM 11M12G01-02EN
3-14
TC TC CJ CJ
(-) (+) (-) (+) (-)
HTR HTR
1sh Edition : Mar. 25, 2021-00