XL+ Series OCS with DC/DC I/O. Twenty-four (24) Digital Inputs compatible with 12V/24VDC – four (4) inputs can be used for two 500kHz High Speed Counters. Sixteen (16) DC Outputs – 0.5A per point – Two (2) outputs can be used as PWM/pulse outputs. Two (2) 12-bit Analog Inputs selectable between 0-10V and 4-20mA.