53U
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: info@m-system.co.jp
EM-6485-B Rev.21 P. 12 / 52
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SYSTEM OPERATIONS
System operations include switching the tariff or resetting energy counts, and rebooting.
ADDR.
WORD
PARAMETER
5329
1
Switch tariff
0 : High tariff (peak time)
(*)
1 : Low tariff (off-peak time)
5330
1
Reset energy count
1 : Reset all values
2 : Reset all MAX / MIN values and set the present values.
3 : Reset all average (demand) values
0 : No resetting
Specify the extent of count resetting. The register is automatically set to ‘0’ when the resetting procedure is
complete after one of these values is written at this address. If another value is written before ‘0’ has been
set, the former resetting procedure ends indefinitely.
Specific values can be preset to each register by writing at this address from the host.
5331
1
Reboot system
Write ‘10001’ to reboot the system. (Any other values can be written but invalid.)
5332
1
Backup / restore setting
20002 : Backup the present setting
30003 : Restore the device with the backup setting data
The register is automatically set to ‘0’ when the procedure is complete after one of these values is written
at this address. If another value is written before ‘0’ has been set, the former procedure ends indefinitely.
5333
1
Passcode
0000 to 9999
0000 : Factory setting
Set and read out a passcode used to go into the Setting Mode using the front control keys.
5334
2
Modbus register writing protection passcode
1.01
Setting a passcode to control writing registers via Modbus.
1 to 999 999 999
0 : Cancel writing protection (*)
The Modbus passcode must be set to the address 4943 before setting ‘1’ or ‘2’ in the address 4945 to deacti-
vate the writing protection.
The value in this register is encrypted when it is read out. Only ‘0’ (Cancel protection) is read out as it is.
When a new code is set in this register, the address 4945 is immediately reset to ‘0’ so that a next command
will be already limited in access.
(*) Factory setting