Setting Up Energy Inputs - GE DigitalFlow DF868 Programming Manual

Setting Up Energy Inputs

Setting the Supply
Temperature Input
Setting the Return
Temperature Input
Programming Site Data
E IN
The option appears only if you have chosen
SYSTEM
the submenu. From the I/O prompt, press
The option lets you specify either live or fixed supply and return
temperature inputs for the energy flow calculation.
1. At the I/O screen, press
[F1]
2. Press to specify a constant Supply Temperature input, or
to select the output in Slot X that will provide the live temperature
input for the supply.
Note: If Slot X contains an activated option card with an analog
input assigned to TEMP or an RTD input, Slot X appears as
an option at the above prompt. If the process temperature is
stable, a fixed value may be used, but most applications
require a live temperature input.
3. Do one of the following:
•
FIXED
If you select
[ENT].
and press The meter only accepts values from -328° to
1,832°F (-200° to 1,000° C).
•
SLOT X
If you select
temperature Input.
[F1]
4. Press to specify a constant Return Temperature input, or
select the output in Slot X that will provide the live temperature
input for the return.
5. Do one of the following:
• FIXED
If you select
[ENT]
and press . The meter only accepts values from -328° to
1,832°F (-200° to 1,000° C).
• SLOT X
If you select
temperature Input.
6. Use the [←] and [→] and
[EXIT]
option or press
ENERGY OPTION ON
[F4]
to select the E IN option.
, enter the known fixed process Temperature
[F1] [F4]
, press to to select the desired
, enter the known fixed process Temperature
[F1] [F4]
, press to to select the desired
[F1]-[F4]
keys to select the desired
to return to the initial User Program screen.
March 2008
in
[F4] E IN.
to select
[F2]
[F2]
to
I/O
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