CAN gateway module

Wago Corporation’s new 750-658 I/O module links CAN field devices to the 750 Series WAGO-I/O-SYSTEM. The CAN Gateway module can be used with 750 Series PLCs or couplers, providing a gateway between a CAN network and other fieldbuses. The 750-658 supports CAN Layer 2, making it extremely flexible at the field level, the company says. The module can be integrated into a CANopen, SAE-J1939 or DeviceNet network by using CoDeSys function blocks. The CAN I/O module offers users flexibility by providing the option for operation in one of three modes: sniffer mode, transparent mode or mapped mode. In sniffer mode, the module performs a detailed analysis of the unaffected CAN bus through passive “snooping.” In transparent mode, the 750-658 becomes an active CAN subscriber, with the ability to send and receive CAN telegrams. In mapped mode, the module is able to generate CAN telegrams directly from the process map, or to selectively copy process values from received telegrams into the input process map.

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