Meter setup and configuration worksheet

Reference, Installation, and Operations Manual

June 2013

3-9000-743 Rev S

Table E-2 Meter to Flow Computer Communication Worksheet (Sheet 6 of 9)

Description

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Freq 2 Direction Group 2

Forward:

Reverse:

Absolute:

Bidirectional:*

 

FO2A, FO2B

 

FO2A AND FO2B output pulses

 

FO2A AND FO2B output

 

FO2A AND

FO2A pulses

 

 

 

only when flow is in the forward

 

pulses only when flow is in

 

FO2B output

only when flow

 

 

 

direction.

 

the reverse direction.

 

pulses regard-

 

 

 

 

 

is in the

 

 

 

 

 

 

 

less of flow

 

 

 

 

 

 

 

forward direc-

 

 

 

 

 

 

 

direction.

 

 

 

 

 

 

 

tion.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Note: Both

FO2B pulses

 

 

 

 

 

 

 

outputs report

 

 

 

 

 

 

 

flow regardless

only when flow

 

 

 

 

 

 

 

of the flow

is in the

 

 

 

 

 

 

 

direction.

reverse direc-

 

 

 

 

 

 

 

Suggest config-

tion.

 

 

 

 

 

 

 

uring one of the

 

 

 

 

 

 

 

 

associated

The phase rela-

 

 

 

 

 

 

 

digital outputs

tionship setting

 

 

 

 

 

 

 

to indicate

 

 

 

 

 

 

 

is ignored.

 

 

 

 

 

 

 

direction or use

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

phase relation-

 

 

 

 

 

 

 

 

ship.

 

 

 

 

 

 

 

 

 

 

 

Freq B (FO2B

FO2B lags FO2A by 90O if

FO2B leads FO2A by 90O if

 

 

 

 

Phase Relationship

 

forward flow, or leads if reverse

 

forward flow, or lags if

 

 

 

 

 

 

flow.

 

reverse flow.

 

 

 

 

 

 

 

 

 

 

 

Max Freq

1000 Hz (overrange to 1500Hz

5000 Hz (overrange to

 

 

 

 

 

 

max).

 

7500Hz max).

 

 

 

 

 

 

 

 

 

 

 

Full Scale Flow Rate

Refer to note in Modbus volume and flow rate units section of this table

 

 

 

 

 

 

 

 

 

 

 

 

 

327

Meter to Flow Computer Communication Worksheet