Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 78)

<7. Startup>
7-13
IM 11M12A01-04E
7.9.2 Checking Calibration Contact Output
The calibration contacts are used for the solenoid valve drive signals for the Automatic Calibration
Unit. This output signal enables you to check the equipment operation. Check the flowmeter gas flow
for that operation.
Follow the steps in Table 7.9. The table uses an example with a zero gas solenoid valve.
Table 7.9 Checking Calibration Contact Output
Switch operation Display Description
> ∧
ENT A 01
Display after the password has been entered.
> ∧
ENT G 01
Touch the [∧] key to switch to Group G.
> ∧
ENT G 0 1
Touch the [>] key to move the position of the digit that is flashing to the right one
digit.
> ∧
ENT G 1 1
Touch the [∧] key to enter 1.
> ∧
ENT G1 1
Touch the [>] key to move the position of the digit that is flashing to the right one
digit.
> ∧
ENT G1 5
Touch the [∧] key to enter 5.
> ∧
ENT 0
Touch the [ENT] key to have 0 flash.
The solenoid valve remains closed.
> ∧
ENT 1
Touch the [∧] key to enter 1.
> ∧
ENT 1
Touch the [ENT] key. The flashing continues.
> ∧
ENT 1
Touch the [ENT] key again to stop the flashing, and the solenoid valve will be open
to let the calibration gas flow.
> ∧
ENT G 1 5
Touch the [ENT] key once again to switch to the parameter code selection display.
The solenoid valve will then be closed.
> ∧
ENT Basic
panel
display
Touch the [>] key together with the [ENT] key to return to the basic panel display.
(This is not required if you proceed to make another setting.)
(The displayed numeric characters indicate the measurement gas concentration.)
The symbol [ ] indicates that the key is being touched. Light characters indicates that the digits are flashing.