Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 59)

<5. Wiring>
5-2
IM 11M12A01-04E
5.1.1 Terminals for the External Wiring
Remove the terminal cover on the opposite side of the display to gain access to the external wiring
terminals.
1 2 C DO DO
DI DI
1 2
L N FG AO
G FG
F5101.ai
– +
Figure 5.1 Terminals for External Wiring
5.1.2 Wiring
Make the following wiring for the equipment. It requires a maximum of four wiring connections as
shown below.
(1) Analog output signal
(2) Power and ground
(3) Contact output
(4) Contact input
1
DI-1
2
DI-2
3
DI-C
4
DO-1
5
DO-1
6
DO-2
7
DO-2
8
FG
9
AO
(+)
10
AO
(-)
11
L
12
N
13
G
14
FG
F28.EPS
Model ZR202G Integrated type Zirconia Oxygen Analyzer
Contact input 1
Contact output 2 Contact output 1
Analog output
4-20 mA DC
100 to 240 V AC,
50 or 60 Hz
Digital output
Contact input 2
The protective grounding for the analyzer shall be connected either the protective ground terminal
in the equipment or the ground terminal on the case.
Standard regarding grounding: Ground to earth, ground resistance: 100Ω or less.
Figure 5.2 Wiring Connection