Serial Communications Units CJ1W-SCU41-V1.Omron Serial Communications Unit provides two serial communications ports as RS-232 (C) and RS-422A/ 485, and the serial communication mode will be set for each port from Protocol Macro, Host Link, NT Link, Serial Gateway, and No-protocol Service.
Technical data:
| I/O system Type | CJ I/O Bus |
| Expansion unit type |
CPU Bus Unit
|
| Module Type |
Communication
|
| I/O link master type | NO |
| Communication port(s) |
Serial Communications Units CJ1W-SCU41-V1. Serial RS-232C, Serial RS-422, Serial RS-485
|
| communication ports no | 2 |
| Data rate | 115 KBit/s |
| Height (H) | 90 (mm) |
| Width (W) | 31 (mm) |
| Depth (D) | 65 (mm) |
| Product Weight | 105 (g) |
Technical data:
| Item | Description | ||||||
| Device name | Serial Communications port | ||||||
| Classification | CPU Bus Unit | ||||||
| Model number | CJ1W-SCU22 | CJ1W-SCU32 | CJ1W-SCU42 | CJ1W-SCU21-V1 | CJ1W-SCU31-V1 |
CJ1W-SCU41-V1
|
|
|
Serial
ports |
Port 1 | RS-232C | RS-422A/485 | RS-422A/485 | RS-232C | RS-422A/485 | RS-422A/485 |
| Port 2 | RS-232C | RS-422A/485 | RS-232C | RS-232C | RS-422A/485 | RS-232C | |
|
Protocol
|
Port 1 |
Host Link, NT Link, Modbus-RTU Slave, loopback
test or 1:1 Host Link can be selected for each port. *1, *2 |
Host Link, protocol macro, NT Link, or loopback test can be
selected for each port. Unit Ver. 1.2 or later also supports Serial Gateway, no- protocol, and 1:1 Host Link modes. |
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| Port 2 | |||||||
|
Number
of mountable Units |
CPU Unit | None | |||||
| CPU Rack | A total of up to 16 Units, including all other CPU Bus Units. No restrictions on the mounting location. |
A total of up to 16 Units, including all other CPU Bus Units.
No restrictions on the mounting location. |
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| Expansion Rack |
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|
Data
exchange with the CPU Unit |
Ordinary refreshing of software |
Allocated 25 words of the 25 words in the CPU Bus Unit CIO Area. | |||||
| Transfer from the CPU Unit set by the system |
Of the CPU Bus Unit DM Area, each serial port is allocated 10 words Ladder instruction: ST-UP (237) Port Settings Changing Flag turns ON |
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| Simple Backup Function | The CPU Unit’s Simple Backup Function for backup the Protocol Macro data in the Serial Communications. |
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| Current consumption *3 |
280mA+x | 400mA | 360mA+x | 280mA+x | 380mA | 380mA+x | |
| Weight | 160g Max. | 120g Max. | 140g Max. | Maximum. 110(g) | 110g Max. | 110g Max. | |
| General specifications | Conforms to general specifications for CJ Series. | ||||||
