1. Versions - PID - Single loop (Includes Onoff Controller and Indicator modes) - PID - Dual loop - Heat+cool - PID - Single loop, 16-segment profile - VMD 2. IP66 (IEC) / NEMA 4X protection 3. 1 or 2 universal inputs 4. Sampling time 50ms/200ms programmable 5. Upto 6 digital inputs 6. Upto 7 setpoints (2 control relays, 5 alarm relays) 7. Isolated 2 x 0/4~20 mA or 0-10 V DC for control / retransmission output 8. Isolated RS485/Modbus RTU 9. Autotuning function 10. Auto/manual control 11. Calibration & configuration through PC utility 12. User friendly keyboard interface with password protection 13. User key with assignable function