MITSUBISHI MELSEC Computerlink
- Jongeun Hur (Unlicensed)
| Description | Notes |
Distributor | MITSUBISHI |
|
Device | MELSEC(GOLDSEC-M) |
|
Comm. Module | AJ71UC24(MJ71UC24), AJ71C24(MJ71C24) |
|
Comm. Method | RS232 |
|
Protocol | MC Protocol 1C |
|
Comm. Frame Display | Not supported |
|
Read after write | Supported |
|
Addresses
Type | Bit/Word | Bit address | Word address | Expression |
Input (X) | Bit | X000000–X0007FF |
| Hexadecimal |
Output (Y) | Bit | Y000000–Y0007FF |
| Hexadecimal |
LINK Relay (B) | Bit | B000000–B000FFF |
| Hexadecimal |
LINK Register (W) | Word |
| W000000–W000FFF | Hexadecimal |
Annunciator (F) | Bit | F000000–F002047 |
| Decimal |
File Register (R) | Word |
| R000000–R008191 | Decimal |
Internal Relay (M) | Bit | M000000–M008191 |
| Decimal |
Data Register (D) | Word |
| D000000–D006143 | Decimal |
Timer-Coil (TC) | Bit | TC000000–TC002047 |
| Decimal |
Timer-Curr. Val (TN) | Word |
| TN000000–TN002047 | Decimal |
Timer-Contact (TS) | Bit | TS000000–TS002047 |
| Decimal |
Counter-Coil (CC) | Bit | CC000000–CC001023 |
| Decimal |
Counter-Curr. Val (CN) | Word |
| CN000000– CN001023 | Decimal |
Counter-Contact (CS) | Bit | CS000000–CS001023 |
| Decimal |
Q Series CPU
Type | Bit/Word | Bit address | Word address | Expression |
Input (X) | Bit | X000000–X007FFF |
| Hexadecimal |
Output (Y) | Bit | Y000000–Y007FFF |
| Hexadecimal |
LINK Relay (B) | Bit | B000000–B001FFF |
| Hexadecimal |
LINK Register (W) | Word |
| W000000–W001FFF | Hexadecimal |
Annunciator (F) | Bit | F000000–F002047 |
| Decimal |
File Register (R) | Word |
| R000000–R008191 | Decimal |
Internal Relay (M) | Bit | M000000–M032752 |
| Decimal |
Data Register (D) | Word |
| D000000–D025983 | Decimal |
Timer-Coil (TC) | Bit | TC000000–TC002047 |
| Decimal |
Timer-Curr. Val (TN) | Word |
| TN000000–TN002047 | Decimal |
Timer-Contact (TS) | Bit | TS000000–TS002047 |
| Decimal |
Counter-Coil (CC) | Bit | CC000000–CC001023 |
| Decimal |
Counter-Curr. Val (CN) | Word |
| CN000000–CN001023 | Decimal |
Counter-Contact (CS) | Bit | CS000000–CS001023 |
| Decimal |
LATCH Relay (L) | Bit | L000000–L008191 |
| Decimal |
AJ71UC24 DIP SWITCH
Switch | Settings | Switch direction | |||||||
ON | OFF | ||||||||
SW11 | Main channel |
| RS-422 |
|
| RS-232C |
| ||
SW12 | Data Bit |
| 8 Bit |
|
| 7 Bit |
| ||
| Baudrate | 300 | 600 | 1200 | 2400 | 4800 | 9600 | 19200 | - |
SW13 |
| OFF | ON | OFF | ON | OFF | ON | OFF | ON |
SW14 |
| OFF | OFF | ON | ON | OFF | OFF | ON | ON |
SW15 |
| OFF | OFF | OFF | ON | ON | ON | ON | ON |
SW16 | Parity |
| Yes |
|
| None |
| ||
SW17 | Even/Odd Parity |
| Even |
|
| Odd |
| ||
SW18 | Stop Bit |
| 2 Bit |
|
| 1 Bit |
| ||
SW21 | BCC |
| Yes |
|
| No |
| ||
SW22 | Online edit |
| Enabled |
|
| Disabled |
| ||
SW23 | Computer Link /Multidrop Link |
| Computer Link |
|
| Multidrop Link |
| ||
SW24 | Terminating resistance on recipient |
| Yes |
|
| No |
| ||