R7CWTU
5-2-55, Minamitsumori, Nishinari-ku, Osaka 557-0063 JAPAN
Phone: +81(6)6659-8201 Fax: +81(6)6659-8510 E-mail: [email protected]
EM-7814 Rev.3 P. 8 / 18
CC-Link - OPERATIONS
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CC-Link REGISTER ACCESS SETTING
RGTR.
PARAMETER
4943
Deactivate CC-Link register writing protection
Writing a preset passcode in this register deactivates the writing protection via CC-Link.
When the CC-Link passcode set in this register matches the preset one, setting ‘1’ or ‘2’ in the register address
4945 becomes available to enable writing in CC-Link registers.
Reading out the register value is not possible. It reads always ‘-1’ regardless of the code setting.
After writing is complete, be sure to set a value other than the passcode (‘0’ is recommended) to activate the
writing protection again.
4945
CC-Link register access setting
0 : Write disable (*)
1 : Write enable
2 : Write enable count values
Other : Write disable
This setting is erased when the power supply to the unit is removed. It always starts with ‘0’ (Write disable)
when the power supply is turned on. Set ‘1’ or ‘2’ before starting writing at other registers.
When the CC-Link register writing protection is enabled, this register setting cannot be changed from ‘0’ to ‘1’
or ‘2’ unless a correct security code is set in the register address 4943.
(*) Factory setting
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SYSTEM OPERATIONS
System operations include switching high tariff/low tariff, resetting accumulated values and rebooting.
RGTR.
PARAMETER
5329
Switch tariff (Circuit 1)
0 : High tariff (peak time) (*)
1 : Low tariff (off-peak time)
5330
Reset energy count (Circuit 1)
1 : Reset all values
2 : Reset all MAX / MIN values and set the present values.
3 : Reset all average (demand) values
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
Reboot system
Write ‘10001’ to reboot the system. (Any other values can be written but invalid.)
5332
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 register. If another value is written before ‘0’ has been set, the former procedure ends indefinitely.
5334
CC-Link register writing protection passcode
Setting a passcode to control writing registers via CC-Link.
0 : Cancel writing protection (*)
1 to 999 999 999: The set value is used for the passcode
The passcode must be set to the register address 4943 before setting ‘1’ or ‘2’ in the address 4945 to deactivate
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 register address 4945 is immediately reset to ‘0’ so that a next
command will be already limited in access.
5336
Loop test (Circuit 1)
Measuring is stopped when ‘1’ is set in this address. Then any value can be written in measurement value
registers (1 through 87) for loop test purposes.
CC-Link register access setting (4945) must be separately set to Write Enable mode.
Measuring is restarted when ‘0’ is set in this address.
5337
Switch tariff (Circuit 2)
Switching tariff for Circuit 2. Same as with the register 5329.
5338
Reset energy count (Circuit 2)
Resetting energy count for Circuit 2. Same as with the register 5330.
5339
Loop test (Circuit 2)
Turning Circuit 2 to the loop test mode. Same as the register 5336.
(*) Factory setting
