Control Bits, Flags, And Status Information - Omron CQM1H-SCB41 Operation Manual

Control Bits, Flags, and Status Information

3-3 Control Bits, Flags, and Status Information
Word Bits
IR 200 00 Serial Communications Board Hardware Error Flag
01 Board Identification Error Flag (hardware error)
02 Protocol Data Error Flag
03 to 10 Not used.
11 Port 2 Protocol Macro Execution Error Flag
12 Port 1 Protocol Macro Execution Error Flag
13 Port 2 PC Setup Error Flag
14 Port 1 PC Setup Error Flag
15 PC Setup Error Flag
IR 201 00 to 03 Port 1 Error Code
04
05
06
07
08 to 11 Port 2 Error Code
12
13
14
15
30
Control bits, flags, and status information for the Serial Communications
Board is available in the Inner Board Slot 1 area. The addresses in this area
are as follows:
Inner Board Slot 1 Area: IR 200 to IR 207
The following bits are often used in Protocol Macro Mode. Refer to 5-6 Control
Bits, Flags, and Status Information for details.
Function
0: Normal operation 1: Parity error
3: Overrun error 4: FCS error
6: Checksum error 7: Command error
Communications Error Flag
Transmission Enabled Flag
Turns ON when transmission is enabled, OFF when transmissions are
being processed for TXD( ).
Use with flag as an execution condition for TXD( ) when using No-
protocol or Host Link Mode.
Reception Completed Flag
Turns ON when receptions for RXD( ) have been completed in No-
protocol Mode.
Reception Overflow Flag
In No-protocol Mode, turns ON when the next data is received before
previous data is read out using RXD( ).
Sequence Abort Completion Flag
0: Normal operation 1: Parity error
3: Overrun error 4: FCS error
6: Checksum error 7: Command error
Communications Error Flag
Transmission Enabled Flag
Turns ON when transmission is enabled, OFF when transmissions are
being processed for TXD( ).
Use with flag as an execution condition for TXD( ) when using No-
protocol or Host Link Mode.
Reception Completed Flag
Turns ON when receptions for RXD( ) have been completed in No-
protocol Mode.
Reception Overflow Flag
In No-protocol Mode, turns ON when the next data is received before
previous data is read out using RXD( ).
Sequence Abort Completion Flag
2: Framing error
5: Timeout error
2: Framing error
5: Timeout error
Section 3-3
Communications
modes
All modes
Protocol macro
All modes
All modes
Host Link or No-pro-
tocol
Protocol macro
All modes
Host Link or No-pro-
tocol
Protocol macro