Mitsubishi Electric MELSEC iQ-R Series User Manual page 502

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