ProMinent gamma/l Installation And Configuration Manual page 41

Interfaces
irSetpoint_0_100
idStrokesInBatch
iiCycle_Error
oxRunning
oxWarning
oxError
oxErrorProfibus
oyMode
orActualFrequency
oiStrokeLength
odStrokeNumber
orQuantity
orVolumePerStroke
Type Description
Real Entry of the setpoint of the metering pump in %.
The formula of the calculation is:
Set frequency = MaxFrequency * irSetpoint / 100
Through the real number the speed on the stroke can be
precisely selected, because the entry of 49.99%, for
example, is possible.
Likewise a direct connection of the integrated S7 con‐
troller is possible. For this the output parameter LMN
must be connected on this input.
DInt 0-99999 can be set for batch mode. At a positive flank on
the input ixStartBatch_Or_Contact, this number of strokes
will be executed.
Int Specification of the cycles as delay of the warning and
fault oxWarning, oxError and oxErrorProfibus.
Through the delay short drop-outs in the PROFIBUS
system can be bridged.
The delay time is calculated as follows:
When using the function block in OB1:
Delay = measured cycle time * iiCycle_Error
When using the function block in OB35:
Delay = time wake alarm * iiCycle_Errror
This value uses the workaround Profibusbug.
If the pump is not at a standstill, or if it does not start up
on its own after a Profibus fault, adjust the value so that a
value of approx. 1s is achieved.
Example:
Call block of pump P1 every 50 ms, then the value 20
should be set.
Bool 0 = pump is at standstill
1 = pump is running
Bool 0 = No warning
1 = Warning active
Bool 0 = no fault
1 = fault active
Bool 0 = Profibus OK
1 = Profibus faulty
Byte 00 = Manual
01 = Batch
02 = Contact
03 = Analogue
Real Actual stroke frequency in strokes/min
Int 0 – 100 = 0-100% set stroke length on the metering pump
DInt Current number in the stroke counter in the metering
pump
Real Current quantity in the quantity counter of the metering
pump
Real Output volume per metering stroke (only for calibrated
metering pump)
Function blocks for gamma/L and Sigmas
®
41