This document is the user manual for GE Fanuc Automation's programmable control product VersaMax™ System DeviceNet Communications Modules. The manual covers warning, caution, and notice signs, as well as installation, operation, and maintenance of the device.
This manual provides detailed instructions for installing and using the GE Fanuc VersaMax System DeviceNet communications modules. It includes safety warnings, hardware descriptions, wiring guidelines, and configuration steps for both the Network Interface Unit (NIU) and the Network Control Module (NCM).\n\nAppendices contain compatibility statements, electronic data sheet (EDS) files, and fault‑handling procedures to help technicians maintain reliable DeviceNet networks. This manual is written in Chinese.
| DeviceNet network address range | 0‑63 (default 63) |
|---|---|
| Supported communication speeds | 125 K, 250 K, 500 K baud |
| Maximum nodes on a DeviceNet network | 64 |
| NIU LED indicators | Power, OK, Fault, Mod, Net |
| NIU input/output buffer size | 1 KB |
| Maximum I/O data per station | 128 bytes input + 2 bytes status, 128 bytes output + 2 bytes control |
| Power consumption | 160 mA @ 5 V, 10 mA @ 3.3 V |
A DeviceNet network can connect up to 64 nodes.
DeviceNet supports communication speeds of 125 K, 250 K, and 500 K baud.
The NIU has Power, OK, Fault, Mod, and Net LEDs indicating power presence, NIU power‑on status, fault condition, module status, and network status respectively.
Each station can handle up to 128 bytes of input data plus a 2‑byte status word, and up to 128 bytes of output data plus a 2‑byte control word.