525
Memory Areas
Appendix C
4.
Data in DM 6144 to DM 6655 cannot be overwritten from the program.
IR Area
Flags/Bits for an Inner Board in Slot 1 (IR 200 to IR 215)
Serial Communications Board Flags/Bits
Word
Bits
Function
Communications
modes
IR 200
00
Serial Communications Board Hardware Error Flag
All modes
01
Port Identification Error Flag (hardware error)
02
Protocol Data Error Flag
Protocol macro
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
All modes
14
Port 1 PC Setup Error Flag
15
PC Setup Error Flag
IR 201
00 to 03
Port 1
Error Code
0: Normal operation
1: Parity error
2: Framing error
3: Overrun error
4: FCS error
5: Timeout error
6: Checksum error
7: Command error
All modes
04
Communications Error Flag
05
Transmission Enabled Flag
Host Link or
No-protocol
06
Reception Completed Flag
07
Reception Overflow Flag
Sequence Abort Completion Flag
Protocol macro
08 to 11
Port 2
Error Code
0: Normal operation
1: Parity error
2: Framing error
3: Overrun error
4: FCS error
5: Timeout error
6: Checksum error
7: Command error
All modes
12
Communications Error Flag
13
Transmission Enabled Flag
Host Link or
No-protocol
14
Reception Completed Flag
15
Reception Overflow Flag
Sequence Abort Completion Flag
Protocol macro
IR 202
00 to 07
Port 1
Communicating with PT Flags
(Bits 00 to 07 = PTs 0 to 7)
NT Link in 1:N mode
Repeat Counter PV
(00 to FF hexadecimal)
Protocol macro
00 to 15
Reception Counter
(4-digit BCD)
No-protocol
IR 203
00 to 07
Port 2
Communicating with PT Flags
(Bits 00 to 07 = PTs 0 to 7)
NT Link in 1:N mode
Repeat Counter PV
(00 to FF hexadecimal)
Protocol macro
00 to 15
Reception Counter
(4-digit BCD)
No-protocol
IR 204
00
Port 1
Tracing Flag
Protocol macro
01
Port 2
02 to 05
Not used.
06
Port 1
Echoback Disabled Flag
(Only used for modem control in protocol
macro mode. See note.)
07
Port 2
IR 204
08 to 11
Port 1
Protocol Macro Error Code
0: Normal operation
1: No protocol macro function
2: Sequence number error
3: Reception data/write area overflow
4: Protocol data grammar error
5: Protocol macro executed during port initialization
Protocol macro
12 to 15
Port 2
Содержание SYSMAC CQM1H Series
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