Limit View Of Sitrlrha - Siemens SITRANS PCS 7 Function Manual

SITRANS LR HART
15.1 SitrLRHA
15.1.9.3

Limit view of SitrLRHA

The limits of the 4 to 20 mA signal and the limits for the gradient monitoring of the 4 to 20 mA
signal can be specified in this view. The displayed texts depend on the configuration of the limit
sensors on the block or in the module.
(1) Process value limits (4 to 20 mA signal)
In this area, you can enter the limits for the 4 to 20 mA signal. You can change the following
limits:
● "H alarm": High alarm
● "H warning": High warning
● "Hysteresis"
● "L warning": Low warning
● "L alarm": Low alarm
(2) Gradient limits
You can enter gradient limits in this area. Refer to the "Changing values" section in the APL
Online Help.
You can change the following limits:
● "H alarm ⇑": Gradient for the upper gradient for positive changes
● "H alarm ⇓": Gradient for the upper rate of rise for negative changes
● "L alarm ⇑⇓": Gradient for the lower rate of rise (absolute)
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SITRANS Library for PCS 7
Function Manual, 05/2019, A5E35351976-11