YOKOGAWA ZR202S, User Manual, Page: 59 / 163

<5. Wiring>
5-6
IM 11M13A01-04E
5.4 Wiring for Contact Output
The equipment can output a maximum of two contact signals. These contact outputs can be used for
different applications such as a low alarm or high alarm.
Do the contact output wiring according to the following requirements.
DO-1
DO-1
DO-2
DO-2
F5-6E.ai
#2 Output
Analyzer
Terminal Box
Annunciator or the like
#1 Output
Hazardous Area
Non-hazardous Area
Figure 5.6 Contact Output Wiring
5.4.1 Cable Specifications
The number of cores varies depending on the number of contacts used.
5.4.2 Wiring Procedure
(1) M4 screws are used for the terminals. Use crimp-on terminals appropriate for M4 terminal
screws for cable connections.
(2) The contact output relays are rated 30 V DC 3A, 250 V AC 3A. Connect a load (e.g. pilot lamp
and annunciator) within these limits.
5.5 Wiring for Contact Input
The analyzer can execute specified function when receiving contact signals.
To use these contact signals, proceed wiring as follows:
Analyzer Terminal box
DI-1
DI-C
DI-2
Contact input 1
Contact input 2
F5-7E.ai
Hazardous Area Non-hazardous Area
Figure 5.7 Contact Input Wiring
5.5.1 Cable Specifications
Use a 2-core or a 3-core cable for this wiring. Depending on the number of input(s), determine which
cable to use.