Mounting Of Cable Gland; Wiring For Analog Output - YOKOGAWA ZR402G User Manual

Model ZR202G Integrated type Zirconia Oxygen Analyzer
Contact input 1
Contact input 2
1 2
DI-1 DI-2
8 9
FG AO
(+)
Analog output
4-20 mA DC
Digital output
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
5.1.3

Mounting of Cable Gland

For each wiring inlet connection of the equipment, mount the conduit appropriate for the screw
size or a cable gland.
Figure 5.3
5.2

Wiring for Analog Output

This wiring is for transmitting 4 to 20mA DC output signals to a device, e.g. recorder. Maintain the
load resistance including the wiring resistance of 550Ω or less.
Analyzer
AO(+)
-
AO( )
FG
Figure 5.4
Contact output 1 Contact output 2
3 4 5 6
DI-C DO-1 DO-1 DO-2
10 11 12 13
AO L N G
(-)
100 to 240 V AC,
50 or 60 Hz
Wiring Connection
Rc1/4 or 1/4NPT
Reference gas inlet
Rc1/4 or 1/4NPT
Calibration gas inlet
Cable Gland Mounting
Shielded cables
Wiring for Analog Output
7
DO-2
14
FG
F28.EPS
4-G1/2,2-1/2NPT etc.
Cable connection port
<5. Wiring>
Cable gland
F5.3E.ai
Receiver
+
-
F5.4E.ai
IM 11M12A01-04E 11th Edition : Jul. 19, 2017-00
5-3