Terminal Resistance Setting Command (Tm) - Omron V720S Series Operation Manual

Setting Command

5-6-11 Terminal Resistance Setting Command (TM)

This command sets and reads the terminal resistance (for RS-485).
<Command Format>
STX Node No.
1 2
Terminal
specification
<Response Format>
STX Node No.
1 2
Response code
Terminal setting
5-46
Command Terminal ETX BCC
code specifi-
"TM" cation
2 1 1
Specify the value, 0 or 1, that corresponds to the terminal resistance that
you want to change.
Specification range: 0, 1, or *
When * is specified, the Reader/Writer reads the current setting.
Specification number
Retry Command Response
flag code code
"TM" "00"
1 2 2
00: Normal completion
For other response codes, refer to 5-10 Response Code List.
Indicates the setting corresponding to the specified terminal resistance in
decimal.
Note • The setting becomes effective after resetting using the Reset Command.
• In order to make your setting survive system shutdown, you need to save
the Setting Write Command (refer to EW Command in 10, 5-2-4) in the
EEPROM.
1
0 1 *
OFF ON -
Terminal E BCC
setting T
X
1 1 1
Section 5-6