HART Proline Promag 55, Manual

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7 Block OUTPUTS Device Functions Proline Promag 55
86 Hauser
ON-VALUE
(4242)
!
Note!
This function is not available unless STATUS was selected in the OPERATION MODE
function (4200) and LIMIT VALUE or FLOW DIRECTION was selected in the ASSIGN
STATUS function (4241).
Use this function to assign a value to the switch-on point (activation of the status output).
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 switchover hysteresis.
SWITCH-ON DELAY
(4243)
!
Note!
This function is not available unless STATUS was selected in the OPERATION MODE
function (4200) and LIMIT VALUE or FLOW DIRECTION was selected in the ASSIGN
STATUS function (4241).
Use this function to specify a delay (0 to 100 seconds) for switching on the status output
(i.e. signal changes from 0 to 1). The delay starts when the limit value is reached. The
status output does switch when the delay has timed out and the switch-on condition has
been valid over the delay time.
User input:
Fixed-point number: 0.0 to 100.0 s
Factory setting:
0.0 s
OFF-VALUE
(4244)
!
Note!
This function is not available unless STATUS was selected in the OPERATION MODE
function (4200) and LIMIT VALUE was selected in the ASSIGN STATUS function
(4241).
Use this function to assign a value to the switch-off point (deactivation of the status
output). The value can be equal to, higher than or lower than the switch-on point.
Positive and 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 (4246) 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
➞
PULSE/FREQUENCY OUTPUT (1 to 2)
➞
CONFIGURATION (STATUS)