中文版
Description
The 1755-A6 is a DeviceNet communication scanner module from Rockwell.
The scanner module is used to communicate with Devicenet-enabled devices through the DeviceNet network or through the DeviceNet adapter module. The module can be run in slave mode; Send and receive messages in polling, strobe, state change, and cyclic I/O configurations. It also supports a pass-through configuration, where 1747-SDN acts as a bridge to connect a separate DeviceNet network. This pass-through feature is designed to replace 1770-KFD, 1784-PCD, 1784-PCID, or 1784-PCIDS DeviceNet connections on the network.
A communication scanner module is a device that can be used to communicate with Devicenet-enabled devices via a DeviceNet adapter module.
1755-A6
The communication scanner module is installed as follows:
Electromagnetic contactors and electrical appliances of the external circuit, whose coils and contacts are the sources of interference, should be configured separately from the PLC.
The module is the main part of the PLC system, which needs to be regularly debugged and maintained, and should be installed in a convenient position.
When installing modules, they are arranged from left to right for easy expansion.
Generally, 80mm wide cable slots are used. The clear distance between the upper end of the rack and the cable slots is about 30mm, and the clear distance between the lower end of the rack and the cable slots is about 80mm.
In order to prevent the control signal line between the plc and the frequency converter from being interfered with by the space electromagnetic field, the shielding line can be connected to the outer layer of these control signal lines to improve the anti-interference ability of the system.
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