A
IQ 250/260 Meter
Appendix B:
Modbus Mapping
conditional write
5207 - 5207
21000 - 21000
Initiate Meter Firmware Reprogramming
UINT16
password5
1
5208 - 5208
21001 - 21001
Force Meter Restart
UINT16
password5
Causes a watchdog reset, always reads 0.
1
5209 - 5209
21002 - 21002
Open Privileged Command Session
UINT16
password5
Meter will process command registers (this register through
'Close Privileged Command Session' register below) for 5
minutes or until the session is closed, whichever comes
first.
1
520A - 520A
21003 - 21003
Initiate Programmable Settings Update
UINT16
password5
Meter enters PS update mode.
1
520B - 520B
21004 - 21004
Calculate Programmable Settings Checksum3
UINT16
0000 to 9999
Meter calculates checksum on RAM copy of PS block.
1
520C - 520C
21005 - 21005
Programmable Settings Checksum3
UINT16
0000 to 9999
Read/write checksum register; PS block saved in
nonvolatile memory on write
8
.
1
520D - 520D
21006 - 21006
Write New Password3
UINT16
0000 to 9999
Write-only register; always reads zero.
1
520E - 520E
21007 - 21007
Terminate Programmable Settings Update3
UINT16
any value
Meter leaves PS update mode via reset.
1
520F - 5211
21008 - 21010
Set Meter Clock
TSTAMP
1Jan2000 - 31Dec2099
1 sec
Saved only when 3rd register is written.
3
5212 - 5212
21011 - 21011
Reserved
Set to 0.
1
5213 - 5219
21012 - 21018
Reserved
Set to 0.
7
521A - 521A
21019 - 21019
Close Privileged Command Session
UINT16
any value
Ends an open command session.
1
Block Size:
20
read/write
658F - 659A
26000 - 26011
Perform a Secure Operation
UINT16
Encrypted command to read password or change meter
type.
12
Block Size:
12
write only in PS update mode
752F - 752F
30000 - 30000
CT multiplier & denominator
UINT16
bit-mapped
dddddddd mmmmmmmm
High byte is denominator (1 or 5, read-only),
low byte is multiplier (1, 10, or 100).
1
7530 - 7530
30001 - 30001
CT numerator
UINT16
1 to 9999
none
1
7531 - 7531
30002 - 30002
PT numerator
UINT16
1 to 9999
none
1
7532 - 7532
30003 - 30003
PT denominator
UINT16
1 to 9999
none
1
7533 - 7533
30004 - 30004
PT multiplier & hookup
UINT16
bit-mapped
mmmmmmmm mmmmhhhh
mm…mm = PT multiplier (1, 10, 100, or 1000)
hhhh = hookup enumeration (0 = 3 element wye[9S], 1 =
delta 2 CTs[5S], 3 = 2.5 element wye[6S])
1
7534 - 7534
30005 - 30005
Averaging Method
UINT16
bit-mapped
--iiiiii b----sss
iiiiii = interval (5,15,30,60)
b = 0-block or 1-rolling
sss = # subintervals (1,2,3,4)
1
7535 - 7535
30006 - 30006
Power & Energy Format
UINT16
bit-mapped
pppp--nn -eee-ddd
pppp = power scale (0-unit, 3-kilo, 6-mega, 8-auto)
nn = number of energy digits (5-8 --> 0-3)
eee = energy scale (0-unit, 3-kilo, 6-mega)
ddd = energy digits after decimal point (0-6)
See note 10.
1
Encryption Block
Programmable Settings Section
Basic Setups Block
Privileged Commands Block
www.eaton.com
IB02601006E MM-16
Summary of Contents for IQ 250
Page 2: ......
Page 22: ...3 6 IB02601006E www eaton com Chapter 3 Mechanical Installation IQ 250 260 Meter...
Page 38: ...4 16 IB2601006E www eaton com Chapter 4 Electrical Installation IQ 250 260 Meter...
Page 104: ...A 6 IB02601006E www eaton com Appendix A IQ 250 260 Navigation Maps IQ 250 260 Meter...
Page 134: ...A IQ 250 260 Meter Appendix B Modbus Mapping www eaton com IB02601006E MM 28...