Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 75)

<5. Wiring>
5-3
IM 11M12A01-02E 8th Edition : Jan.13,2012-00
5.1.2 Wiring
Connect the following wiring to the converter. It requires a maximum of seven wiring connections
as shown below.
(1) Detector output (connects the converter with the detector.)
(2) Detector heater power (connects the converter with the detector.)
(3) Analog output signal
(4) Power and ground
(5) Contact output
(6) Operation of the solenoid valve of automatic calibration unit
(7) Contact input
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 Analyzer, Converter
ZR22G Separate type
Zirconia Oxygen 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
Figure 5.2 Wiring connection to the converter