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Hitachi CP-EX3051WN - Page 99

Hitachi CP-EX3051WN
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99
Command Format
Command formats differ among the different communication ports.
Ɣ TCP 23
You can use the RS-232C commands without any changes. The reply data
format is the same as the RS-232C commands.
RS-232C Communication in
the Operating *uide - Technical)
HoweYer, the following reply will be sent back in the eYent of authentication
failure when authentication is enabled.
Header Data length RS-232C command Check Sum
Connection
ID
0x02 0x0D 13 bytes 1 byte 1 byte
Reply Error code
0x1F 0x04 0x00
<Reply in the eYent of an authentication error>
Header ĺ 0x02, Fixed
Data length ĺ RS-232C commands byte length 0x0D, Fixed)
RS-232C command ĺ RS-232C commands that start with 0x%E 0xEF
13 bytes)
Check Sum ĺ This is the Yalue to make ]ero on the addition of the
lower 8 bits from the header to the checksum.
Connection ID ĺ Random Yalue from 0 to 255 This Yalue is attached
to the reply data)
Ɣ TCP 9715
Send Data format
The following formatting is added to the header 0 x 02), Data length 0 x 0D),
Checksum 1 byte) and Connection ID 1 byte) of the RS-232C commands.
8. Other Functions
8.4 Command Control via the Network (continued)

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