SCM9B Digital I/O Boards Part Number Description SCM9B-1701 Order Now 7 inputs / 8 outputs, RS-232C Output SCM9B-1702 Order Now 7 inputs / 8 outputs, RS-485 Output SCM9B-1711 Order Now 15 inputs or outputs, RS-232C Output SCM9B-1712 Order Now 15 inputs or outputs, RS-485 Output SCM9B-H1750 Order Now 24 inputs or outputs, user selected RS-232C or RS-485 Output SCM9B-H1777 Order Now 64 inputs or outputs, user selected RS-232C or RS-485 Output SCMD-MIAC/MIDC Miniature Digital Input Modules Part Number Type Range Supply Voltage Optional Features SCMD-MIAC24 Order Now Input 90 to 140VAC/DC 24V Standard SCMD-MIAC24A Order Now Input 180 to 280VAC/DC 24V High voltage versions (280VAC for AC modules) SCMD-MIAC5 Order Now Input 90 to 140VAC/DC 5V Standard SCMD-MIAC5A Order Now Input 180 to 240VAC/DC 5V High voltage versions (280VAC for AC modules) SCMD-MIAC5E Order Now Input Input 18 to 36VAC/DC 5V Low voltage 10VAC input for AC modules SCMD-MIDC24 Order Now Input 3.3 to 32VDC 24V Standard SCMD-MIDC5 Order Now Input 3.3 to 32VDC 5V Standard SCMD-MIDC5F Order Now Input 4.0 to 32VDC 5V Fast-switching version of DC modules SCMD-MIDC5N Order Now Input 10 to 60VDC 5V Enhanced noise immunity version of DC modules