Operation using the data setting device Azbil Corporation
5-58 Model MTG11A/18A, MTG11B/18B, MTG14C
5-6-13 : Selecting failsafe mode for analog outputs
This function is used to determine the analog output direction when the flowmeter
detects a critical status condition.
Setting range: LOW Analog output is driven to low scale (TYP 3.7 mA)
HIGH Analog output is driven to high scale (TYP 21.8 mA)
HOLD Analog output is held at its last good value.
Default: LOW
Set failsafe mode for analog output in accordance with the following procedure:
m CAUTION
The failsafe mode is very important for the overall safety of the control process. Choose the
failsafe direction carefully, as equipment damage can result from a wrong choice.
Step Procedure Screen
1 Enter ENGINEERING MODE in accordance with
the entry into ENGINEERING MODE (see
section 5-5-9 on page 5-36). Then press the or
key to display the screen at right.
2 Press the key.
3 Using the or key, determine the failsafe mode
for analog output.
4 Press the key to move the cursor to the position
under #.
Press the MODE key to return to the
MEASURING MODE and to save data.
m CAUTION
You have only ten minutes to return to MEASURING MODE to save the new value before
the system resets it to the previously saved value.
12.3 %
# ERROR OUT MODE
I.OUT LOW
12.3 %
# ERROR OUT MODE
I.OUT LOW
12.3 %
# ERROR OUT MODE
I.OUT HIGH
12.3 %
# ERROR OUT MODE
I.OUT HIGH
CM2-MTG300-2001.book 58 ページ 2015年9月29日 火曜日 午前10時14分