Delta AH500 User Manual

Chapter 8 Serial Communication Module AH10/15SCM
8-29
CR#7.
After M0 is triggered, a present value can be read into D100 in a CPU module through COM1 on
AHSCM-5A. The value of bit0 in D0 is 1.
8.6 Software
This section introduces SCMSoft, which is used to set AH10/15SCM-5A.
8.6.1 SCM Project
Users can make an SCM project for COM1 and COM2 on AH10/15SCM-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/RS-232 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/RS-232 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 AH10/15SCM-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/RS-232 format),
and BACnet MS/TP slave

Delta AH500 Specifications

General

Brand	Delta
Model	AH500
Category	Controller
Language	English