![Heinrichs TMU Installation And Operation Manual Download Page 93](http://html1.mh-extra.com/html/heinrichs-0/tmu/tmu_installation-and-operation-manual_2119981093.webp)
Heinrichs Messtechnik GmbH
OPERATING MANUAL TMU / UMC3
Page 93 of 122
7.2.10.4
Current output I2 0/4 to 20 mA
The “Current output I2 0/4 to 20 mA” function allows the operator to define the range in which the current
output is to be operated.
Press “
” to display the current setting.
Current output I2
[4] – 21.6 mA
The current assignment will be displayed and can be changed by toggling the arrow keys.
The operator can choose between the following settings:
0 – 21.6 mA
largest resolution
4 – 20.5 mA
follows the NAMUR recommendation
4 – 21.6 mA
standard settings
Pressing the “
” key confirms the entry
7.2.10.5
Current output I2 alarm
This function allows the operator to define the state taken on by the current output when a state of alarm is
detected. This information can be analysed in the control system. Press “
” to display the current setting.
I2 : alarm
[not used]
The current assignment will be displayed and can be changed by toggling the arrow keys.
The operator can choose between the following settings:
not used
no alarm function
> 22 mA
current rise in the case of an alarm
< 3.8 mA
current reduction in the case of an alarm
Pressing the “
” key confirms the entry.