Checking Calibration Contact Output; Checking Input Contacts - YOKOGAWA EXAxtZR Instruction Manual

7.11.2 Checking Calibration Contact Output

7.11.3 Checking Input Contacts

IM 11M12A01-02E
The calibration contacts are used for solenoid valve drive signals for the ZR40H
Automatic Calibration Unit. When using the ZR40H Automatic Calibration Unit, use the
calibration contact output to check that the wiring connections have been properly
completed and check equipment operation.
(1) Referring to Section 7.11.1, display the contact check display.
(2) Select the Calibration contacts to display the panel display as Figure 7.15.3 shows.
(3) Open the zero-gas contact and the span-gas contact. This will help check the auto-
matic calibration unit and wiring connections.
Calibration contacts
Zero gas contact : Open
Span gas contact : Open
Figure 7.15.3 Calibration Contact Check Display
Note
"Open" and "Closed" displayed on the Calibration contact display indicate actions of
drive contacts and are opposite to the valve open and close actions. If Open is displayed
on the Calibration contact display, no calibration gas flows. If Closed is displayed on
that display, calibration gas flows.
(1) Referring to Section 7.11.1, display the contact check display.
(2) Display the input contact check display as Figure 7.15.4 shows. The "open" or
"closed" input contact in the display shows the current contact input terminal status
and the display changes according to the contact status. Using this enables you to
check that the wiring connections have been properly completed.
Input contacts
Input contact 1 : Open
Input contact 2 : Open
Figure 7.15.4 Input Contact Check Display
Enter
F7.15.3E.EPS
Enter
F7.15.4E.EPS
7. Startup
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