AMALGAMATED INSTRUMENT RM4-IV, Operation And Instruction Manual

Page: 41 / 49

This table shows the effect of the output frequency of changing proportional gain
and bias with the following settings:
ctrI SPAN
=
20
,
A1.dc
=
1.0
,
A1.IG
=
0.000
A1.SP A1.PG A1.bS
Effect on relay operation
70 1.000 0.0
Reading of
50
or below - relay permanently on.
Reading of
50
to
70
- relay pulses with off time increasing as
value approaches
70
.
Reading
70
or above - relay permanently off.
70 1.000 100.0
Reading of
70
or below - relay permanently on.
Reading of
70
to
90
- relay pulses with off time increasing as
value approaches
90
.
Reading
90
or above - relay permanently off.
70 1.000 50.0
Reading of
60
or below - relay permanently on.
Reading of
60
to
70
- relay pulses with off time increasing as
value approaches
70
.
Reading
70
- relay pulses at 50% on and 50% off.
Reading
70
to
80
- relay pulses with off time increasing as value
approaches
80
.
Reading
80
or above - relay permanently off.
70 0.500 50.0
Reading
50
or below - relay permanently on.
Reading
50
to
70
- relay pulses with off time increasing as value
approaches
70
.
Reading
70
- relay pulses at 50% on and 50% off.
Reading
70
to
90
- relay pulses with off time increasing as value
approaches
90
.
Reading
90
or above - relay permanently off.
70 -1.000 50.0
Reading of
60
or below - relay permanently off.
Reading of
60
to
70
- relay pulses with on time increasing as
value approaches
70
.
Reading
70
- relay pulses 50% on and 50% off.
Reading
70
to
80
- relay pulses with on time increasing as value
approaches
80
.
Reading
80
or above - relay permanently on.
7.5 PI relay integral gain
Display:
A
x.
IG
Range:
-32.767
to
32.767
Default Value:
0.000
Note: the range value may be restricted if the number of display digits does not allow viewing of
the full range.
The Integral action will attempt to correct for any offset which the proportional control action is
RM4IVMAN-2.1-0 41 of 49