All OCS Units feature integrated Control, I/O, one RS-232 serial port and CAN Network. All current OCS units support SmartStix, and Metal SmartStack modules when plugged directly on the back.
NOT RECOMMENDED FOR NEW DESIGNS

HE500OCS100	OCS Controller with two-line by 20 character display, 8K battery-backed RAM (2048 %Rs).
HE500OCS110	OCS Controller with two-line by 20 character display, 32K battery-backed RAM (9999 %Rs).
HE500OCS200	OCS Controller with four-line by 20 character display, 8K battery-backed RAM (2048 %Rs).
HE500OCS210	OCS Controller with four-line by 20 character display, 32K battery-backed RAM (9999 %Rs).