9-
8
SPM Synchronous Motor Protection & Control
GE Power Management
9.2 MEMORY MAPPING
9 MODBUS COMMUNICATIONS
9
Pwrfactor
16-bit
Signed integer with 2 decimal places (i.e. 100 times the real value).
Negative numbers are lagging power factors; positive numbers are leading power factors.
Relaystate
16-bit
0
De-energized
1
Energized
Revcode
16-bit
Unsigned integer interpreted as 4 BCD digits.
For example, revision 1234 would be 1234 hex or 4660 decimal
Runtime
16-bit
0
1.05
×
stall time
1
1.46
×
stall time
2
2.05
×
stall time
3
3.00
×
stall time
S16
16-bit
Signed integer
Statmode
16-bit
0
Read-only
1
Read-write
Switchstate
16-bit
0
Open
1
Closed
Tripcause
16-bit
0
Squirrel-cage protection
1
Power Factor
2
Check exciter
3
Missing voltage
4
Fail to resync
5
Pull-out
6
Field loss
7
Incomplete sequence protection
8
Restart
9
Field overtemperature
U16
16-bit
Unsigned integer
Table 9–3: MEMORY MAP FORMAT CODES (Sheet 2 of 2)
CODE
ENUMERATION
VALUE
MEANING
Summary of Contents for SPM Series
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