Yokogawa Integral Oxygen Analyzer ZR202 - Manual (Page 76)

<7. Startup>
7-11
IM 11M12A01-04E
7.8 Checking Current Loop
The set current can be output as an analog output. This enables the checking of wiring between the
converter and the receiving instrument. Current loop checking is performed using parameter code
「G01」.
Table 7.6 Checking Current Loop
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 0 0.0
Touch the [ENT] key. The output current remains preset with the output-hold
feature (Section 2.3).
> ∧
ENT 1 0.0
Touch the [∧] key to set the numeric value 1 (to set a 10-mA output).
> ∧
ENT 10.0
Touch the [ENT] key to have all the digits flash.
> ∧
ENT 10.0
Touch the [ENT] key again to stop the flashing.
A 10-mA output is then issued.
> ∧
ENT G 01
Touch the [ENT] key once again to switch to the parameter code selection display.
At that point, the output current returns to the normal value.
> ∧
ENT Basic
panel
display
Touch the [>] key together with the [ENT] key to return to the basic panel display.
The symbol [ ] indicates that the key is being touched. Light characters indicates that the digits are flashing.
7.9 Checking Contact I/O
Conduct a contact input and output check as well as an operation check of the solenoid valves for the
optional automatic calibration unit.
Table 7.7 Parameter Codes for Checking Contact I/O
Check item Parameter code Set value and contact action
Contact output 1 G11 0 Open
1 Closed
Contact output 2 G12 0 Open
1 Closed
Automatic calibration solenoid valve
(zero gas)
G15 0 Off
1 On
Automatic calibration solenoid valve
(span gas)
G16 0 Off
1 On
Contact input 1 G21 0 Open
1 Closed
Contact input 2 G22 0 Open
1 Closed