ICP ZT-2550 Quick Start Manual
Also see for ZT-2550: User manual
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c. Gateway Mode is an advanced application mode and it is used to convertthe Modbus protocol. But there is only RS-232 and RS-485 interfacesupported in the ZT-255x device, so the data is always regarded asModbus RTU format.Module Frame Type NoteBroadcast(Default) Data is sent to all of ZigBee slavesZT-2550 Unicast(Advanced)Data will be sent to a specific ZigBee slave.The Address of DCON/Modbus command is regarded asdestination ZigBee addressZT-2551 Unicast Data only be sent to coordinator[Eg1] When ZT-2550/ZT-2570 receives data “MRTU_CMD_01” from serialport,→ZT-2551 will output the data “MRTU_CMD_01” to serial port directly.[Eg2] When ZT-2570 receives data “MTCP_CMD_02” from Ethernet,→ZT-2551 will convert protocol then output “MRTU_CMD_01” to serial port.[Eg3] When ZT-2551 transmits the acknowledgement “MRTU_ACK_03”,→ZT-2550/ZT-2570 will response the acknowledgement “MRTU_ACK_03” toserial port directly.→ZT-2570 will convert protocol then output “MTCP_CMD_01” to Ethernet.(Note: Unicast type frame, data will only be sent to the ZigBee host)※ There is an “Advanced Settings” to the Gateway Mode for some specific users,please refer the user manual section 7.2 “DCON/Modbus Device Communication” formore information.ZC_0000ZS_0001 MODBUS RTUMODBUS RTU Serial Ethernet MODBUS TCPSerialEthernetMODBUS TCPICP DAS, ZT‐2550/ZT‐2551 Quick Start Guide, Version 1.2 Page 8 |
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