AMALGAMATED INSTRUMENT PM4-TR, Руководство по эксплуатации и инструкция

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7.51 Setpoint access mode
Display:
SPAC
Range:
A1, A1-2
etc.
Default Value:
A1
Setpoint access - seen only if more than 1 relay fitted. Sets the access via
FUNC
mode and “easy
alarm access” mode to the alarm relay setpoints. The following choices are available:
A1
- Allows setpoint access to alarm 1 only.
A1-2
- Allows setpoint access to alarms 1 and 2 only.
A1-3
- Allows setpoint access to alarms 1, 2 and 3 etc. up to the maximum number of relays
fitted.
The remote input function (
R.INP
) must be set to
SP.AC
for this function to operate. Note:
Only the setpoints which have been given a value will be accessible e.g. if
A1Hi
is set to
OFF
then there will be no access to the
A1Hi
function when
SPAC
is used.
7.52 Alarm relay operation mode
Display:
A
x
.rt
,
A
x
.tL
or
A
x
.PS
Range:
A
x
.rt
,
A
x
.tL
or
A
x
.PS
Default Value:
A
x
.rt
This function is used to set the operation mode for alarm relays, the “ x ” indicates relay number
e.g.
A1.rt
. Choices available depend on the
SEt OPER
function setting. With
SEt OPER
set
to
both
mode alarm relays can be set to operate as either a standard setpoint relay operating
from rate when
A
x
.rt
is selected or total when
A
x
.tL
is selected or as a totliser “pass value”
relay when
A
x
.PS
is selected. In
totL
mode
A
x
.tL
or
A
x
.PS
may be selected. In
FREQ
mode
this function will not appear.
With
A
x
.rt
or
A
x
.tL
the selected relay will operate from the high and/or low setpoints (
A
x
Hi
and
A
x
Lo
) and values for hysteresis, trip time, reset time, normally open/normally closed operation
and setpoint or trailing alarms can also be set. The pass functions
A
x
PS
and
A
x
Pt
will not be
seen if the
A
x
.tL
or
A
x
.rt
mode is selected. With
A
x
.PS
selected relay 1 will operate on a pass
value i.e. it will operate on multiples of the
A
x
PS
value set. The setpoint functions
A
x
Lo
,
A
x
Hi
,
A
x
Hy
,
A
x
tt
,
A
x
rt
,
A
x
SP
/
A
x
tL
will not be seen if the
A
x
PS
mode is selected.
7.53 Analog output operation mode
Display:
rEC
Range:
rAtE
or
totL
Default Value:
rAtE
Seen only when the
SEt OPER
function is set to
both
. Sets the operation mode for the optional
analog retransmission. The output can be set to retransmit the total (
totL
or rate (
rAtE
).
PM4TRMAN-2.7-0 47 of 58