CI/AZ40-EN Rev. A
21
6
System setup
Calibration start options
A calibration can be started using any of the following methods:
— manually via the user interface
— automatically via the scheduled calibrations
— remotely via digital input 1 (DO1)
— remotely via MODBUS command
Before running a manual calibration:
1.
Perform a flow rate test (<5 % O
2
[this page] and
>5 % O
2
[page 23])
2.
Setup / Configure the test gases (including setting up
a standard calibration) – refer to page 28.
3.
Configure the blowback function (if required) –
refer to Operating instruction OI/AZ40-EN.
4.
Configure scheduled events – refer to
Operating instruction OI/AZ40-EN.
Blowback options
A blowback (if fitted) can be started using any of the following
methods:
— manually via the user interface
— automatically via the scheduled blowback
— remotely via digital input 2 (DO2)
— remotely via MODBUS command
Flow rate test <5 % O
2
To perform a flow rate test (<5 % O
2
) at the transmitter:
1. From any
Operator
page, press the
key.
The
Operator
menu is displayed:
2. Use the
/
keys to scroll to the
Enter Configuration
menu and press the
key.
The
Access
level screen is displayed:
IMPORTANT (NOTE)
If the blowback valve is fitted and enabled, a blowback
sequence always precedes a calibration when the
calibration has been initiated via the methods listed
above.
IMPORTANT (NOTE)
Refer to Operating instruction OI/AZ40-EN for
troubleshooting procedures.
In Conf Alarm
CAL
Autoscroll
In Conf Alarm
Autoscroll
Enter Configuration
Data Views
Logs
Alarm Acknowledge
Back
Select
Read Only
Logout
Access Level
Calibrate
Advanced
Service
