Chapter 9 HOLD Type
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Chapter 9 HOLD Type
HOLD Type is a safe mode. It is for Calibration, Setting, Record and Clean. In this
mode all the relays are open( inactive), current output follows the setting by
user(last current or fixed current).
The instrument will enter HOLD Type when user presses into Calibration, Setting,
Record or the instrument works in clean mode.
It will in HOLD Type around 10 seconds when it goes back to measurement mode
form the above mentioned 4 modes then left HOLD Type.
The instrument will go into the HOLD Type when turn on the power. Current output
in HOLD Type:
User has two choices: fixed current output or last current output.
Fixed current:
User can set the output current from 4.00 to 20.00mA when instrument goes
into HOLD Type.
Last current:
User can set the output current keep at the last current when instrument
goes into HOLD Type.
Relays in HOLD Type: All relays are opened.(inactive)
