DISCONTINUED - SEE UDC2800 UDC2500 1/4 DIN controller: , Output 1: 1 Amp Solid State Relay, RS 422 Modbus Plus Aux Output/Digital Inputs, Input 1: TC MV RTD 0-5V 1-5V 0-20MA 4-20MA, Approvals: CE UL CSA, Dual Display with Auto/Manual, English Hard Copy Product Manual