
B: Modbus Map
Doc# E145701 MM-12
Electro
Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Description
1
Format
Range
6
Units or Resolution
Comments
#
Reg
Modbus Address
Hex
Decimal
1008 - 1008
4105 - 4105
Angle, Volts C-A
SINT16
-1800 to +1800
0.1 degree
1
Block Size:
6
read-only
1387 - 1387
5000 - 5000
Meter Status
UINT16
bit-mapped
--exnpch ssssssss
exnpch = EEPROM block OK flags
(e=energy, x=max, n=min,
p=programmable settings, c=calibration,
h=header),
ssssssss = state (1=Run, 2=Limp,
10=Prog Set Update via buttons,
12=Prog Set Update via communication
port)
1
1388 - 1388
5001 - 5001
Reserved - do not use.
1
1389 - 138A
5002 - 5003
Time Since Reset
UINT32
0 to 4294967294
4 msec
wraps around after max count
2
Block Size:
4
write-only
4E1F - 4E1F
20000 - 20000
Reset Max/Min Blocks
UINT16
password
5
1
4E20 - 4E20
20001 - 20001
Reset Energy Accumulators
UINT16
password
5
1
Block Size:
2
read/conditional write
55EF - 55EF
22000 - 22000
Initiate Programmable Settings Update
UINT16
password
5
meter enters PS update mode
1
55F0 - 55F0
22001 - 22001
Terminate Programmable Settings Update
3
UINT16
any value
meter leaves PS update mode via reset
1
55F1 - 55F1
22002 - 22002
Calculate Programmable Settings Checksum
3
UINT16
meter calculates checksum on RAM copy
of PS block
1
55F2 - 55F2
22003 - 22003
Programmable Settings Checksum
3
UINT16
read/write checksum register; PS block
saved in EEPROM on write
8
1
55F3 - 55F3
22004 - 22004
Write New Password
3
UINT16
0000 to 9999
write-only register; always reads zero
1
59D7 - 59D7
23000 - 23000
Initiate Meter Firmware Reprogramming
UINT16
password
5
1
Block Size:
6
read/write
61A7 - 61A7
25000 - 25000
Force Meter Restart
UINT16
password
5
causes a watchdog reset, always reads 0
1
Block Size:
1
Commands Section
4
Resets Block
9
Meter Programming Block
Status Block
Other Commands Block