Electrical Connections
The eFlo meter requires a 10-pin connector and cable for power and communications. The eFlo is supplied with a 20 ft cable. The wires are color-coded per the table below. Contact SSi for a longer cable is required.
|
Wire-In Color |
Signal Type |
Description |
|
Red |
+ VDC |
Power Supply (24 VDC @ 750mA) |
|
Black |
- VDC |
|
|
Green / Black Stripe |
+ RS485 |
Communications Signal Provided by Modbus Over Serial |
|
Red / Black Stripe |
- RS485 |
|
|
White / Black Stripe |
RLY |
Normally Open Relay Contact (24 VDC) |
|
Orange / Black Stripe |
RLY |
|
|
Orange |
+ mA |
Analog Out - Output Flow Signal (4 - 20 mA) |
|
Blue |
- mA |
|
|
Green |
+ mA |
Analog In - Input Setpoint Signal (4 - 20 mA) |
|
White |
- mA |
Table 3 - Electrical Connections