Chapter 8 Serial Communication Module AH10SCM Master: PLC type: A default PLC type is displayed. Users can change the PLC type by means of clicking Change PLC Type on the Tools menu in SCMSoft. Data: Users can set an initial data register into which data is written. Description: Users can enter a description of a device into which data is written. (Length: 30 bytes at most) Slave: Slave ID: A slave from which data is read Device type: Users can select a Delta PLC. Leave the Device Type box blank if a device used is not a Delta PLC. Length: The length of data read is 100 words at most. Data type: Users can select Hex or Modbus 6 digit .
If Hex is selected, a data type is represented by a four-digit hexadecimal value. If Modbus 6 digit is selected, a data type is represented by a six-digit decimal value. If a device used is a Delta PLC, D automatically appears in the Data Type box. Start address: Users can set an initial register from which data is read Example: There is a present value stored in 16#4700 in a Delta DTA series temperature controller. The slave ID is 10. The present value can be read into D100 in a CPU module through COM1 on AHSCM-5A. The setting is as follows. 8-25