4 wiring for contact output, 1 cable specifications, 2 wiring procedure – Yokogawa Integral Oxygen Analyzer ZR202 User Manual
Page 69: Wiring procedure -7
IM 11M12A01-05E
5-6
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-limit alarm or high-limit alarm.
Do the contact output wiring according to the following requirements.
DO-1
DO-1
DO-2
DO-2
F5.6E.EPS
#2 Output
Analyzer
Terminal box
Annunciator or the like
#1 Output
Figure 5.6 Contact Output Wiring
5.4.1
Cable Specifications
The number of wires in cable 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 3 A, 250 V AC 3 A. Connect a load
(e.g. pilot lamp and annunciator) within these limits.