7 Block BASIC FUNCTION
Device Functions Proline Promag 55 FOUNDATION Fieldbus
44
Hauser
7.2
Group PROCESS PARAMETER
7.2.1
Function group CONFIGURATION
BASIC FUNCTION
G
⇒
FOUNDATION FIELDBUS GAA
⇓
PROCESS PARAMETER
GIA
⇒
CONFIGURATION
640
Function description
BASIC FUNCTION
→
PROCESS PARAMETER
→
CONFIGURATION
ASSIGN LOW FLOW CUT
OFF
(6400)
Use this function to assign the switch point for the low flow cut off.
Options:
OFF
MASS FLOW
VOLUME FLOW
Factory setting:
VOLUME FLOW
ON-VALUE LOW FLOW
CUT OFF
(6402)
Use this function to enter the switch-on point for low flow cut off.
Low flow cut off is active if the value entered is not equal to 0. The sign of the flow value
is highlighted on the display to indicate that low flow cut off is active.
User input:
5-digit floating-point number [unit]
Factory setting:
Nominal diameter and country dependent
!
Note!
The appropriate unit is taken from the function UNIT VOLUME FLOW (0402) or UNIT
MASS FLOW (0400) (
OFF-VALUE LOW FLOW
CUT OFF
(6403)
Use this function to enter the switch-off (
b
) point for low flow cut off.
Enter the switch-off point as a positive hysteresis (
H
) from the switch-on point (
a
).
User input:
Integer 0 to 100%
Factory setting:
50%
A0003882
m
= switch-on point,
n
= switch-off point
a
Low flow cut off is switched on
b
Low flow cut off is switched off (a + a
⋅
H)
H
Hysteresis value: 0 to 100%
■
Low flow cut off active
Q
Flow
t
H
Q
m
n
b
a
Содержание Proline Promag 55
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