AI835A

Description

‌Parameters and Specifications‌:

–‌Model Number‌: AI835A
–‌Type‌: Analog Input Module
–‌Signal Specifications‌:

• Thermocouple (TC) Types: B, C, D, E, J, K, L, N, R, S, T, U1
• mV Range: -30 to +75 mV linear1
  –‌Resolution‌: 15 bits (A/D)1
  –‌Input Impedance‌: > 1 MΩ1
  –‌Isolation‌: Groupwise isolated from ground1
  –‌Update Cycle Time‌:
• 50 Hz: 280 + 80 * (active channels) ms
• 60 Hz: 250 + 70 * (active channels) ms1
  ‌Dimensions and Weight‌:

–‌Width‌: 45 mm (1.77 inches)1
–‌Depth‌: 102 mm (4.01 inches) or 111 mm (4.37 inches) including connector1
–‌Height‌: 119 mm (4.7 inches)1
–‌Weight‌: 0.22 kg (0.49 lb)1

‌Series‌:

• Part of ABB’s S800 I/O system34
  ‌Features‌:

–‌8 Differential Input Channels‌: For thermocouple and mV measurements1
–‌Configurable Channels‌: Each channel can be configured for a specific measurement range1
–‌Cold Junction (CJ) Channel‌: Channel 8 can be designated as a CJ channel for temperature compensation1
–‌High Accuracy‌: Low error rate (max 0.1%) and minimal temperature drift1
–‌High Common-Mode Rejection Ratio (CMRR)‌: 120 dB at 50 Hz and 60 Hz1
‌Functions and Applications‌:

–‌Analog Signal Acquisition‌: Converts analog signals from thermocouples and mV sources into digital values1
–‌Industrial Automation‌: Used in industrial processes to monitor and control temperature and other analog parameters1
–‌Data Communication‌: Communicates with the main controller through standard industrial field buses3
–‌Flexibility and Expandability‌: Can be combined with other S800 I/O modules for complex control systems