500
APPENDICES APPENDIX
Appendix 3 Buffer Memory
147
(93H)
307
(133H)
For designation
of transmission
control
DTR/DSR (ER/DR), DC control designation
• Transmission control (b0)
0: DTR/DSR control
1: DC code control
• DC1/DC3 control (b8)
0: Control disabled
1: Control enabled
• DC2/DC4 control (b9)
0: Control disabled
1: Control enabled
0 RW Page 236 DATA
COMMUNICATIONS
USING DC CODE
TRANSMISSION
CONTROL
148
(94H)
308
(134H)
DC1/DC3 (Xon/Xoff) code designation
• DC1 code (b0 to b7)
00H to FFH: DC1 code
• DC3 code (b8 to b15)
00H to FFH: DC3 code
1311H
149
(95H)
309
(135H)
DC2/DC4 code designation
• DC2 code (b0 to b7)
00H to FFH: DC2 code
• DC4 code (b8 to b15)
00H to FFH: DC4 code
1412H
150
(96H)
310
(136H)
For designation
of
communication
control
Word/byte units designation
0: Word units 1: Byte units
0RW Page 225
CHANGING DATA
LENGTH UNITS TO
BYTE UNITS
(WORD/BYTE
UNITS SETTING)
151
(97H)
311
(137H)
CD terminal check designation (for RS-232)
0: Check 1: Do not check
1 RW MELSEC iQ-R Serial
Communication
Module User's
Manual (Startup)
152
(98H)
312
(138H)
Communication method designation (for RS-
232)
0: Full duplex communication 1: Half-duplex
communication
0 Page 243 DATA
COMMUNICATIONS
USING HALF-
DUPLEX
COMMUNICATIONS
153
(99H)
313
(139H)
For designation
of half-duplex
communications
control (for RS-
232)
Simultaneous transmission priority/non-priority
designation
0: Priority
1 to 255: Non-priority (transmission wait time,
unit: 100 ms)
0
154
(9AH)
314
(13AH)
Retransmission time transmission method
designation
0: Do not resend 1: Resend
0
155
(9BH)
315
(13
BH)
For designation
of
communication
control
Simultaneous transmission data valid/invalid
designation
• Receive data enable/disable (b0)
0: Enable 1: Disable
• Send data enable/disable (b8)
0: Enable 1: Disable
0 RW
156
(9CH)
316
(13CH)
For designation
of data
communication
time monitoring
No-reception monitoring time (timer 0)
designation
0H: Unlimited wait
28H to FA0H: Monitoring time (unit: byte)
0RW Page 227
CHANGING DATA
COMMUNICATION
MONITORING TIME
157
(9DH)
317
(13DH)
Response monitoring time (timer 1) designation
0H: Unlimited wait
1H to BB8H: Monitoring time (unit: 100ms)
32H (5
second
s)
RW RW
158
(9EH)
318
(13EH)
Send monitoring time (timer 2) designation
0H: Unlimited wait
1H to BB8H: Monitoring time (unit: 100ms)
708H (3
minutes
)
RW
159
(9FH)
319
(13FH)
Use prohibited System area
Address
Dec (Hex)
Purpose Name Defaul
t value
Protocol Reference
CH1 CH2 MC Non Bi Pd