MA900/901 Multi-Loop Digital Temperature Controller
1.1/4 DIN size multi-loop controller
2.4 loops MA900 (Heat/Cool available)
3.8 loops MA901 
4.Autotuning PID control
5.Up to 3 alarms
6.Multi-memory areas (8 sets of control parameters)
7.Digital communication (Options)
8.Various alarm function 
9.Close horizontal mounting
10.Digital contact input
11.Dustproof(IP66) and Waterproof(IP65) Protection (Options)