Omron CJ1W-DRM21 Devicenet Master and Slave Unit 24VDC

Allows control of up to 32,000 points (2,000 words) per master, and ensures a high degree of simultaneity between data.

Can be used as both a master and a slave at the same time.

Equipped with settings and monitor functions aimed at improving both design and startup efficiency. Achieve maximum performance by using in combination with a Configurator.

Files of master and slave settings can be uploaded and downloaded using memory cards, allowing effective debugging and easier setup.

Communications protocol    DeviceNet
Connection methods    Multi-drop and T-branch connections can be combined (for trunk and branch lines) *1
Baud rate    500 Kbps, 250 Kbps, or 125 Kbps
Communications media    Special 5-wire cables (2 signal lines, 2 power lines, 1 shield line)
Special 4-wire flat cables (2 signal lines, 2 power lines)
Communications distances for
special 5-wire cables    Baud rate    Network length    Branch line length    Total branch line length
500 kbps    100 m max.    6 m max.    39 m max.
250 kbps    250 m max. *2    6 m max.    78 m max.
125 kbps    500 m max. *2    6 m max.    156 m max.
Communications distances for
special 4-wire flat cables    Baud rate    Network length    Branch line length    Total branch line length
500 kbps    75 m max.    6 m max.    35 m max.
250 kbps    150 m max.    6 m max.    48 m max.
125 kbps    265 m max.    6 m max.    135 m max.
Communications power supply    24 V DC supplied externally
Max. number of nodes    64 nodes (including Masters, Slaves, and Configurator)

*1.Terminators are required at both ends of trunk line.

*2.Indicates the maximum network length when thick cables are used. Reduce the network length to 100 m max. when using thin cables.

Communications power supply voltage    11 to 25 VDC
Current consumption    Communications:18 mA max.
Internal circuit: 290 mA max.