Compatible Devices
Mitsubishi MELServo [g3-mitsubi...himelservo | Word]
Verified Device
MR-J2S-10A
MR-J2S-10CP1 (Version 1.1 added April 2008)
MR-J3-40A (Version 2.0 added August 2008) [g3-mitsubi...himelservo | Word]
Device Options
Network Address Selection:
- STATION – select address 0–31
- GROUP – select address 10–15 (Group A–F) (may not support Read)
- ALL UNITS – address ignored (may not support Read) [g3-mitsubi...himelservo | Word]
Servo Type: Select the communication type based on the connected drive. Mixing different types on the same port is not recommended when using GROUP or ALL UNITS. [g3-mitsubi...himelservo | Word]
Communication Parameter Settings:
- Parameter 15 = Station Number (must match)
- Parameter 16 = Baud Rate (must match)
- Parameter 53 = OP8 = 0000 (Required) [g3-mitsubi...himelservo | Word]
Accessible Data for MR-J2S-CL Servo Type
| Prefix | Description | Information |
|---|---|---|
| PARC | Read/Write Parameter – Real | 0–90 |
| PARCH | Read/Write Parameter – Long | 0–90 |
| STSC | CL Status Display Data | 0–11 (Hex) |
| ALN | Alarm History Number | 0–5 |
| ALT | Alarm History Time | 0–5 |
| ALSC | Status at Alarm | 0–11 (Hex) |
| ACU | Reset Current Alarm | Write 1 |
| EXTC | External I/O Signals | 0–5 |
| LAT | Current Position Latch | |
| GPR | General Purpose R | 1–4 |
| GPD | General Purpose D | 1–4 |
| GSV | Group Setting | |
| SVR | Software Version | |
| ACL | Clear Alarm History | Write 1 |
| SCL | Clear Status Display | Write 1 |
| OMS | Operation Mode Select | 0–4 |
| TOM | Test Operation | |
| EIS | Input Enable/Disable | 1 = Enable |
| EOS | Output Enable/Disable | 1 = Enable |
| WPEC | Write Parameter EEPROM | |
| WGER | Write Register EEPROM | |
| READ | Read TOM/OMS | |
| GENR | Read Generic String | |
| GENW | Write Generic String |
Accessible Data for MR-J2S-A Servo Type
| Prefix | Description | Information |
|---|---|---|
| PARA | Read/Write Parameter – Real | 0–84 |
| PARAH | Read/Write Parameter – Long | 0–84 |
| STSA | Status Display | 0–E (Hex) |
| ALN | Alarm History Number | 0–5 |
| ALT | Alarm History Time | 0–5 |
| ALSA | Status at Alarm | 0–E (Hex) |
| ACU | Reset Current Alarm | Write 1 |
| EXTA | External I/O | 0–1 |
| GSV | Group Setting | |
| SEP | Motor Position | |
| CUP | Command Position | |
| SVR | Software Version | |
| ACL | Clear Alarm History | Write 1 |
| SCL | Clear Status | Write 1 |
| OMS | Operation Mode | 0–4 |
| TOM | Test Operation | |
| EIS | Input Enable | 1 |
| EOS | Output Enable | 1 |
| WPEA | Write EEPROM | |
| READ | Read Commands | |
| GENR | Read Generic | |
| GENW | Write Generic |
Accessible Data for MR-J2S-CP Servo Type
| Prefix | Description | Information |
|---|---|---|
| PARC | Parameter | 0–90 |
| PARCH | Parameter Long | 0–90 |
| STSP | Status Display | 0–11 (Hex) |
| PPOS | Point Position | 1–31 |
| PSPD | Point Speed | 1–31 |
| PACC | Acceleration | 1–31 |
| PDEC | Deceleration | 1–31 |
| PDWL | Dwell | 1–31 |
| PAUX | Aux Function | 1–31 |
| EEPW | Write Point EEPROM | |
| ALN | Alarm Number | 0–5 |
| ALT | Alarm Time | 0–5 |
| ALSP | Status at Alarm | |
| ACU | Reset Alarm | |
| EXTC | I/O Signals | |
| GSV | Group | |
| SVR | Version | |
| ACL | Clear Alarm | |
| SCL | Clear Status | |
| OMS | Mode | |
| TOM | Test | |
| EIS / EOS | I/O Enable | |
| GENR / GENW | Generic |
Accessible Data for MR-J3 Servo Type
| Prefix | Description | Information |
|---|---|---|
| PAR | Parameter (Real) | 1–255 |
| PARH | Parameter (Long) | 1–255 |
| PARU | Upper Limit | |
| PARUH | Upper Limit Long | |
| PARL | Lower Limit | |
| PARLH | Lower Limit Long | |
| PARAB | Parameter Name | |
| PAREN | Write Enable | |
| PARGP | Parameter Group | 0–3 |
| STSA | Status | |
| STSU | Units String | |
| STSN | Name String | |
| ALN / ALT | Alarm Data | |
| ALSU / ALSN | Alarm Strings | |
| ACU | Reset Alarm | |
| EXTC | External I/O | |
| SEP / CUP | Position Data | |
| SVR | Version | |
| ACL / SCL | Clear Data | |
| OMS | Mode | |
| TOMM / TOMS / TOM | Test Ops | |
| EIS / EOS | I/O Enable | |
| GENR / GENW | Generic |
General Notes
- Driver converts integer values to Real for display
- Do NOT perform continuous EEPROM writes (hardware damage risk)
- ACU, ACL, SCL, EIS, EOS return -1 when read
- String values use packed character format
Place Photo Here
RS232 Cable Information
| RLC UNIT | J2 - CN3 | Signal | Cable |
|---|---|---|---|
| 2 (RxD) | 12 | TxD | 2 |
| 5 (TxD) | 2 | RxD | 3 |
| 3/4 (0V) | 1/11 | LG | 5 |
RS422/485 Cable Information
| RLC UNIT | J2 - CN3 | J3 - CN3 | Signal |
|---|---|---|---|
| 1 (TX-) | 5 | 3 | RDP |
| 2 (TX+) | 15 | 6 | RDN |
| 3 (RX+) | 19 | 4 | SDN |
| 4 (RX-) | 9 | 5 | SDP |
| 6 (0V) | 1/11 | 1 | LG |
Termination required on last axis in multi-axis systems. Verify with Mitsubishi documentation. [g3-mitsubi...himelservo | Word]
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