AH500 Module Manual 8.6 Software This section introduces SCMSoft, which is used to set AH10SCM-5A. 8.6.1 SCM Project Users can make an SCM project for COM1 and COM2 on AH10SCM-5A. An SCM project is composed of four parts. COM Port setting: Users can set communication protocols for exchanging data through COM1 and COM2. (See section 8.6.2.) UD Link: RS-485/RS-422 communication can be used. Users can define the contents of a packet by themselves. (See section 8.6.3.) Modbus Advance: A standard Modbus RS-485/RS-422 device can use this function. Other Delta automation products and other standard Modbus communication devices can also use this function. (See section 8.6.4.) COM port history:
The communication history of AH10SCM-5A can be recorded. (See section 8.6.5.) 8.6.2 COM Port Setting Setting a communication protocol: Modbus, UD Link (user-defined RS-485/RS-422 format), and BACnet MS/TP slave 8.6.3 UD Link (User-defined Communication) The UD Link provides non-Modbus RS-485/RS-422 communication. A packet can be edited according to a communication format. The steps of creating an UD Link are as follows. (1) Creating a group Editing TX packets and RX packets Creating commands Downloading the group, and then triggering the sending/receiving of the packets 8-28