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TECHNICAL INFORMATION
74 87-900-986-01 (
C
)
Pins
Name
Description
Electrical
Note
14-7
R2
Programmable Set Point Out
Can be related to: Frequency, Power,
Time Status or Pressure.
See following figures for more details. All
the setting can be done by: front panel or
serial line (win.171 to 176).
Optically isolated
Vmax (=open) = 24v
Vlow, max = 1,5v
Imax = 60mA
Pin-7 negative
Pin-14 positive
Connect a 10kohm
resistor between the 2
pins before measuring
voltage
2-1
Programma
ble
Analog
Output
Programmable analog output.
Can be related to : frequency, power,
pump temperature (linear) or pressure
(logarithmic).
The setting can be done by: front panel or
serial line (win.111).
0V = 0Hz, 0W, 0°C
10V = 963Hz, 150W, 100°C
See following chart for more details
Optically isolated
Rload, min = 10kr
Ripple Vpp,max = 200mv
Precision = 5%
Resolution = 40mv
Pin-1negative
Pin-2 positive
Connect a 100kohm
resistor between the 2
pins before measuring
voltage
9-1
Frequency
Analog
Output
Analog output proportional to frequency
(linear).
0V = 0Hz
10V = 963Hz
Optically isolated
Rload, min = 10kr
Ripple Vpp,max = 200mv
Precision = 1%
Resolution = 40mv
Pin-1negative
Pin-9 positive
R1 – R2 OUTPUT DIAGRAMS:
Diagram 1 – R1 or R2 related to frequency
+
Diagram 2 – R1 or R2 related to power