CTH200 Series PLC User Manual
CTH200 PLC as master. S7-300 master PLC read/write the data of CTH200 by using XGET and
XPUT instructions.
Figure 5-4 Multi masters MPI network
5.3 Freeport Communication
By using Freeport communication, CTH200 PLC can communicate with any third-party devices
which disclosed communication protocols. These devices include Data acquisition module,
controller, printer or bar code reader, drives, modems, host PC and so on.
CO-TRUST PLC
PLC
printer
bar code reader-
modem
transducer
FPORT communication
FPORT communication
Figure 5-5 Freeport communication
5.4 CANopen Communication
CANopen bus communication is a fast master-slave network with high-reliability. Expand a CAN
communication board(CTH CAN-01S1-EB) on CPU(H224X/H226XL/H228XL) to be CAN master
in the CTH200 CANopen communication system, which could exchange data with remote CAN
slave(CTH2 277-0AC32) and its expansion boards as well as communicate with
servo(COTRUST E10) or frequency converter supporting CANopen communication.
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