Instruction Manual
IB-106-340CDR Original Issue
January, 2002

2-16 Installation Rosemount Analytical Inc. A Division of Emerson Process Management

Hazardous Area Oxymitter DR

g. THE YOKOGAWA ZA8C AND AV8C

CONVERTER ELECTRONICS SETUP

The Hazardous Area Oxymitter DR probe

can be wired to work with the Yokogawa®

ZA8C and AV8C Converters. Connect the

cabling from the ZA8C or AV8C terminal to

the probe terminal in the junction box as

shown in Figure 2-15.

+–
COLD
JUNCTION
DEVICE
SHIELD
+
+
-
-
}
}
}
CELL
THERMOCOUPLE
COLD
JUNCTION
3+
4–
5+
6–
7+
8–
16
17
32 GND
SHIELD PROBE
HEATER
ZA8C
OR
AV8C
TERMINAL
ZA8C OR AV8C
NOTES: 1. HEATERTEMPERATURE SET TO 1380 F (750 C)
oo
36210009
THE GREATER MASS OF THE OXYMITTER DIRECT REPLACEMENT PROBE REQUIRES
LONGER TIME TO HEAT UP. UPON STARTUP, THE YOKOGAWA ELECTRONICS MAY
INDICATE AN ERROR BECAUSE THE PROBE HAS NOT REACHED TEMPERATURE SETPOINT
IN THE NORMAL TIME. REMOVE POWER FROM THE YOKOGAWA ELECTRONICS OR PROBE
MODULE TO CLEAR THE ERROR, AND RESTORE POWER.THIS PROCEDURE MAY HAVE TO
BE REPEATED A COUPLE OF TIMES BEFORE PROBE OPERATING TEMPERATURE IS REACHED.
2.
ZA8CORAV8CCONVERTER
HEATER AND SIGNAL CABLE
OXYMITTER DR PROBE
WITH ADAPTER FLANGE
STACKWALL
EXISTING
MOUNTING

Figure 2-15. DR Probe Wired to the ZA8C or A V8C Converter