AMALGAMATED INSTRUMENT RM4-AV, Руководство по эксплуатации и инструкция, Страница: 20 / 45

5.12 Alarm relay one operation mode
A1 OPER
Display:
A1 OPEr
Range:
A1 AL
or
A1tP
or
A1Fr
Default Value:
A1 AL
Alarm relay operating mode (relays 1 only) - this function allows selection of standard alarm
on/off setpoint operation (
A1.AL
) using the alarm functions described in this chapter or PI control
operation (
A1.tP
or
A1.fr
). To set the alarm operation mode go to the
A
x
OPEr
function and
use the
^
or
v
push buttons to choose the required operation then press
F
to accept this value.
Refer to the “Setting up the relay PI controller” chapter 7 for details of the PI control operations
and functions. Example:
With
A
x
OPEr
set to
A1.fr
relay 1 will operate as a PI control relay with the frequency of the
relay varying.
5.13 Analog output option low value
Display:
REC_
Range: Any display value
Default Value:
0
Seen only when analog retransmission option fitted. Refer to the separate “RM4 Din Rail Meter
Optional Output Addendum” booklet supplied when this option is fitted for wiring details and link
settings. Displays and sets the analog retransmission (4–20mA, 0–1V or 0–10V, link selectable)
output low value (4mA or 0V) in displayed engineering units. To set the analog output low value
go to the
REC_
function and use the
^
or
v
push buttons to set the required value then press
F
to accept this selection.
Example: If it is required to retransmit 4mA when the display indicates
0
then select
0
in this
function using the
^
or
v
button.
5.14 Analog output option high value
Display:
REC~
Range: Any display value
Default Value:
1000
Seen only when analog retransmission option fitted. Refer to the separate “RM4 Din Rail Meter
Optional Output Addendum” booklet supplied when this option is fitted for wiring details and link
settings. Displays and sets the analog retransmission (4–20mA, 0–1V or 0–10V, link selectable)
output high display value (20mA, 1V or 10V) in displayed engineering units. To set the analog
output high value go to the
REC~
function and use the
^
or
v
push buttons to set the required
value then press
F
to accept this selection.
Example: If it is required to retransmit 20mA when the display indicates
50
then select
50
in
this function using the
^
or
v
button.
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