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Device Functions Proline Promag 55
7 Block OUTPUTS
Hauser
95
ON-VALUE
(4701)
!
Note!
This function is not available unless LIMIT VALUE or FLOW DIRECTION was selected in
the function ASSIGN RELAY (4700).
Use this function to assign a value to the switch-on point (relay output pulls up). The
value can be equal to, higher than or lower than the switch-off point. Positive or negative
values are permissible, depending on the measured variable in question (e.g. volume
flow, totalizer reading).
User input:
5-digit floating-point number [unit]
Factory setting:
0 [unit]
!
Note!
• The appropriate unit is taken from the function UNIT VOLUME FLOW (0402) or
UNIT MASS FLOW (0400).
• Only the switch-on point is available for flow direction output (no switch-off point). If
you enter a value not equal to the zero flow (e.g. 5 ), the difference between the zero
flow and the value entered corresponds to half the switching hysteresis.
SWITCH-ON DELAY
(4702)
!
Note!
This function is not available unless LIMIT VALUE or FLOW DIRECTION was selected in
the function ASSIGN RELAY (4700).
Use this function to define a delay (0 to 100 seconds) for pull-up (i.e. signal changes from
0 to 1) of the relay output. The delay starts when the limit value is reached. The relay
output does switch when the delay has timed out and the switch condition has been valid
throughout the delay time.
User input:
Fixed-point number 0.0 to 100.0 s
Factory setting:
0.0 s
OFF-VALUE
(4703)
!
Note!
This function is not available unless LIMIT VALUE was selected in the ASSIGN RELAY
function (4700).
Use this function to assign a value to the switch-off point (relay drops out). The value can
be equal to, higher than or lower than the switch-on point. Positive or negative values are
permissible, depending on the measured variable in question (e.g. volume flow, totalizer
reading).
User input:
5-digit floating-point number [unit]
Factory setting:
0 [unit]
!
Note!
• The appropriate unit is taken from the function UNIT VOLUME FLOW (0402) or
UNIT MASS FLOW (0400).
• If SYMMETRY is selected in the function MEASURING MODE (4705) and values
with different signs are entered for the switch-on and switch-off points, the notice
message "INPUT RANGE EXCEEDED" appears.
Function description
OUTPUTS
➞
RELAY OUTPUT (1 to 2)
➞
CONFIGURATION
Содержание Proline Promag 55
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