Pulsar MICROFLOW, Instruction Manual

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Page 15
Terminal Connection Details
Terminal Connections
Power
The MicroFlow operates from a DC voltage supply of 10-28 volts, and should be
installed and connected in accordance with ‘ Chapter 2–Power supply
requirements
’ and the instructions below. When wiring the
MicroFlow the cable
used is of a multicore design. The wire coding is shown below for ease of use
when connecting the
MicroFlow to a device to monitor flow velocity:
The MicroFlow can be used with the following Pulsar controllers to obtain flow
and velocity readings:
•
FlowCERT wall mount unit.
•
Velocity Interface wall mount unit.
•
Ultimate Controller fascia and wall mount unit with firmware version 1.5.2 and
greater.
You can also use Pulsar’s
MicroFlow PC software to interrogate and obtain
readings from the device. Please refer to Chapter 6 MicroFlow PC Software for
more details on how to use it. The RS485 termination is electronically controlled
by parameter 57 (P57). Please refer to ‘
Chapter 7 Parameter Listing and
Descriptions - RS485 Communications and Modbus
’.
Cable colour Cable details
Red (Power) +10-28 VDC
Black 0 volts
Orange RS485+
White RS485-
Blue RS485 Common
Green Cable screen
Important Information
Power to the controller should be disconnected until the MicroFlow is
connected correctly. If the equipment is installed or used in a manner not
specified in this manual, then the protection provided by the equipment
may be impaired.
Fuse 100mA leaded little fuse 0242 series
MicroFlow
Cable