ABB 3BSE008550R1 DI821 MODULE good service and original
Brand ABB Model 3BSE008550R1 DI821 General info Article number 3BSE008550R1 Type Digital Input Signal specification 230 V a.c., 220 V d.c. Number of channels 8 Signal type Current sinking HART No SOE No Redundancy No High integrity No Intrinsic safety No Mechanics S800 The DI821 is a 8 channel, 230 V a.c./d.c, digital input module for the S800 I/O. This module has 8 digital inputs. The ac input voltage range is 164 to 264 V and the input current is 11 mA at 230 V a.c. The d.c. input voltage range is 175 to 275 volt and the input current is 1.6 mA at 220 V d.c. The inputs are individually isolated. Every input channel consists of current limiting components, EMC protection components, input state indication LED, optical isolation barrier and an analog filter (6 ms). Channel 1 can be used as voltage supervision