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Installation
Input Sensor Wiring
The Series 3100 flow monitor is a Dual Channel unit . Either a single input, or any combination of two pulse or analog inputs
can be used . The pulse inputs are extremely versatile, designed to accept either two-wire (Data Industrial 200 Series), three-
wire pulse inputs (4000 Series) or zero-crossing sine wave inputs (turbines with a magnetic coil pickup) .
The analog inputs can accept 0...20 mA, 4...20 mA, 0...1V DC, 0...5V DC or 0...10V DC . Both the top and bottom ends of the
analog range can be configured in the field so that most inputs can be accepted if the hardware limitations are not exceeded .
Contact the factory for assistance with custom inputs . Although different rear panel terminals are used, all parameters are set
with the LCD/keypad interface . No internal or external jumpers, switches or potentiometers require movement or adjustment .
Pulse Inputs (Solid-State Switch or Sine Wave)
The Series 3100 flow monitor accommodates four types of pulse inputs:
•
Pulse-DI: Used for all Data Industrial Flow Sensors . Provides an internal pullup resistor and uses "K" and "Offset" values
for calibration .
•
Pulse –K Factor: Accepts non Zero Crossing inputs but provides no internal pullup, classical "K" (pulses/gal) values
for calibration .
•
Pullup K Factor: Provides an internal pullup resistor and uses classical "K" ( pulses/gal) values for calibration .
•
Sine-K Factor: Accepts zero crossing low voltage sourcing devices, with classical "K" ( pulses/gal) calibration .
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Channel #1
Two Wire Flow Sensor
Sensor (+)
Sensor (-)
Shield
Shield
Sensor (+)
Sensor (-)
Channel #2
Two Wire Flow Sensor
200 Series Flow Sensors
SDI Series Sensors
Red = Sensor (+)
Varies with Model
Black = Sensor (-)
Refer to SDI User Manual
Figure 4: Wiring a two-wire pulse flow sensor
Channel #1
Three Wire Flow Sensor
Sensor Power
Sensor (+)
Sensor (-)
Shield
Shield
Sensor (+)
Sensor (-)
Sensor Power
Channel #2
Three Wire Flow Sensor
4000 Series Flow Sensors
SDI Series Sensors
Red = Sensor Power
Varies with Model
White = Sensor (+)
Refer to SDI User Manual
Black = Sensor (-)
Figure 5: Wiring a three-wire pulse sensor
Analog 1 IN (+) 1
Analog 1 IN (-) 2
Shield
Analog 2 IN (+) 4
Analog 2 IN (-) 5
Shield
Pulse 1 IN (+)
Pulse1 IN (-)
Shield
Pulse 2 IN (+)
Pulse 2 IN (-)
Sensor Power 12
Sensor Input Card
Green Label
12 Pin Connector
Other Sensors
Contact Technical Support as needed
Analog 1 IN (+) 1
Analog 1 IN (-) 2
Shield
Analog 2 IN (+) 4
Analog 2 IN (-) 5
Shield
Pulse 1 IN (+)
Pulse1 IN (-)
Shield
Pulse 2 IN (+)
Pulse 2 IN (-)
Sensor Power 12
Sensor Input Card
Green Label
12 Pin Connector
Other Sensors
Contact Technical Support as needed
CTL-UM-01026-EN-05
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October 2017
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