PACSystems RX3i - Data Transfer and Status Flags

User Manual Chapter 3
GFK-2749A Jan 2020
Configuration and Data Transfer 42
Offset
Definition
Value
Status/Alarm
Timing
A, B, AB: See
“Status/Alar
m Timing”
on page 45
Alarm
3
Availability
1ø
3ø
1
PSM HeartBeatBit:
Toggled with every
scan/sweep
Updated every
scan
2
PSM ConnectionOK:
1 = OK
0 = PSM to Terminal
Assembly connection
failure
A
3
PSM PhaseShiftOK:
1 = OK
0 = ANSI 25/1 Alarm
A
4
PSM DeltaVoltOK:
1 = OK
0 = ANSI 25/2 Alarm
A
5
PSM DeltaFreqOK:
1 = OK
0 = ANSI 25/3 Alarm
A
6
PSM AllGridAlarmsOK
1 = OK
0 = At least one alarm on
either grid is set
AB
7
PSM RelayCloseOK:
1 = OK
0 = Do not close relay
A
8
PSM New Data
1 = The current PLC
sweep is the first sweep
this power line cycle data
is being delivered by the
PSM to the PLC.
0 = Data has not changed
from previous sweep.
A
9 - 16
Reserved
17
GRID 1 FaultVA
0 = OK
1 = Fault – clamped or
not calculated/measured
A
18
GRID 1 FaultIA
A
19
GRID 1 FaultVB
A
20
GRID 1 FaultIB:
A
3
Alarm availability: A checkmark indicates whether an alarm is available for use in either the 1-Phase (1ø) or the 3-Phase (3ø) Grid
Operational Mode (see “Mode Control Bits Sent to PSM module” on page 50). All alarms are available in 3-Phase mode. An absent
checkmark indicates that the value of the bit is indeterminate and the bit should be ignored.