Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 62)

IM 11M13A01-04E 5-6
5.5 Contact Input Wiring
The converter can execute specified function when receiving contact signals.
To use these contact signals, proceed wiring as follows:
Converter Terminal box
DI-1
DI-C
DI-2
Contact input 1
Contact input 2
F5.7E.EPS
Hazardous Area Non-hazardous Area
Figure 5.14 Contact Input Wiring
5.5.1 Cable Specifications
Use a 2-core or 3-core cable for this wiring. Depending on the number of input(s),
determine which cable to use.
5.5.2 Wiring Procedure
(1) M4 screws are used for the terminal of the converter. Each cable should be equipped
with the corresponding crimp contact.
(2) The ON/OFF level of this contact input is identified by the resistance. Connect a
contact input that satisfies the descriptions in Table 5.2.
Table 5.2 Identification of Contact Input ON/OFF
T5.2E.EPS
Closed Open
Resistance 200
Ω
or less 100 k
Ω
or more