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INTELLIGENT ACTUATOR
Part 4 Commands
(Note1) A READ command must be executed before the other side sends the end character.
(Note2) Channel Nos. 31 to 34 (available with the Ethernet option) cannot be specified for dummy read
(operand 2: 0).
SCHA 10
OPEN 1
READ 1 2
Other side
CLOS 1
Return code of the READ command
The return code is stored in a local variable. The variable number can be set by “Other
parameter No. 24.” The default variable number is 99.
0: READ completed successfully (Receive complete)
1: READ timeout (the timeout value is set by a TMRD command) (Continue to receive)
2: READ timer cancelled (the wait status is cancelled by a TIMC command) (Continue to
receive)
3: READ SCIF overrun error (Receive disabled)
4: READ SCIF receive error (framing error or parity error) (Receive disabled)
5: READ factor error (program abort error) (Receive disabled)
(Cannot be recognized by SEL commands)
6: READ task ended (program end request, etc.) (Receive disabled)
(Cannot be recognized by SEL commands)
7: READ SCIF receive error due to other factor (Receive disabled)
8: READ SIO overrun error (Receive disabled)
9: READ SIO parity error (Receive disabled)
10: READ SIO framing error (Receive disabled)
11: READ SIO buffer overflow error (Receive disabled)
12: READ SIO receive error due to other factor (Receive disabled)
13 20: Used only in Ethernet (optional)
21: READ SIO receive temporary queue overflow error (Receive disabled)
22: READ SIO slave receive queue overflow error (Receive disabled)
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