AMIKON Industrial Automation Contact: Miya Zheng Email: sales@amikon.cn WhatsApp: +86 180 2077 6792 ABB Ability™ Symphony® Plus · HR Series I/O Modules ABB SPDSM04 Pulse Input Module The SPDSM04 pulse input module processes up to eight pulsed field inputs for a Symphony Plus controller. Each channel can be individually programmed for 5 VDC or 24 VDC contact input or 50 millivolts to 10 volts peak-to-peak. Part Number SPDSM04 Product Type Pulse Input Module 8 Independently