TB820 | ABB ModuleBus Modem Position I/O Module Test Mode: Periodic testing of

Test Mode: Periodic testing of opto-couplers every 4 seconds

Module Termination Units: TU810

Filter/Debounce Time: Configurable (0

Interface: Connects power supply (DCFB/SDCI) and PCCA with SCR bridge

Data Format: Natural Binary

TB820 | ABB ModuleBus Modem Position I/O Module Test Mode: Periodic testing ofOverview Product Name: TB820 Description: ABB ModuleBus Modem Power Input: 24 V d. c. (19. 2 30 V) Power Consumption: 100 mA Power and Performance Power Dissipation: 6. 0 W Power Supply Monitoring Inputs: Max. input voltage: 30 V Min. input voltage for high level: 15 V Max. input voltage for low level: 8 V Power Output (ModuleBus): 24 V max. = 1. 4 A 5 V max. = 1. 5 A Connectivity and I O Electrical ModuleBus: Maximum of 12 I O modules Optical