ISaGRAF based DDC The controller fully supports all five of the IEC61131-3 standard PLC languages:
1. Ladder diagram.
2. Function block diagram.
3. Sequential function chart.
4. Structured text.
5. Instruction List plus flow chart.
It supports DCON and Modbus protocol to link to remote I/O modules via the RS-485 or Ethernet.

BACnet/IP based DDC programming supports VB-like languages:
1. B-ASC, BACnet Application Specific Controller
2. HVAC and PID functions
3. On-line Debug
4. COM0: MB/RTU Master for Additional I/O (M-7000)
5. COM1: MB/RTU Slave for HMI or SCADA