Analog Output; Rs-485 Output - Badger Meter Impeller Data Industrial 3050 Series User Manual

Installation
OUTPUT OPTION CARD
If the Series 3050 BTU flow monitor was ordered with the Output Option card, it will have these additional outputs:
• Analog Output ( 0...20 mA or 4...20 mA ) that can be converted externally to 0...5V DC, 1...5V DC with a 250 Ω resistor;
or 0...10V DC or 2...10V DC with a 500 Ω resistor . A 15V DC power supply is provided to permit current sinking or sourcing .
The Series 3050 BTU flow monitor has special software that permits the Analog output .
• USB for direct access to a computer using a standard mini-USB cable .
• RS-485 for fully addressable Modbus or BACnet communication .

Analog Output

RS-485 Output

Page 14
1 RS485 B
2 RS485 A
3 RS485 GND
4 LOOP +
5 LOOP -
6 GND
Figure 13: Current sourcing analog output
1 RS485 B
2 RS485 A
3 RS485 GND
4 LOOP +
5 LOOP -
6 GND
Figure 14: Current sinking analog output
1 RS485 B
2 RS485 A
3 RS485 GND
4 LOOP +
5 LOOP -
6 GND
Figure 15: RS-485 output wiring
DSY-UM-01668-EN-02
+
-
Model 3700
Model 345WT
or other
MODBUS
Master
Device
Shield
RS485 -
RS485 +
June 2018