overview：
AI835 is a thermocouple/mV analog input module for ABB's S800 I/O series, providing 8 differential input channels, supporting a variety of thermocouple types and millivolt signal measurement.
The measurement range of each channel is configurable, including a linear range of -30 mV to +75 mV, and thermocouple types such as B, C, E, J, K, N, R, S, T (AI835A also supports D, L, U types).
Channel 8 can be configured as a "cold junction" (ambient) temperature measurement channel, acting as a cold junction compensation (CJ) channel for channels 1-7. The cold junction temperature can be measured locally at the MTU terminal block or at a remote connection unit of the device.
In addition, the user can set the module fixed cold junction temperature (as a parameter), and the AI835A can also set it from the application; if cold junction temperature measurement is not required, channel 8 can be used in the same way as channels 1-7.
Fuctions & Features:
Supported signal types:
- Thermocouple (TC): B, C, E, J, K, N, R, S, T (AI835A additionally supports D, L, U).
- Millivolt (mV): -30mV to +75mV (linear measurement).
Cold junction compensation (CJC):
- Channel 8 can be configured as cold junction temperature measurement to provide compensation for channels 1-7.
- Supports local measurement or remote measurement.
- Fixed cold junction temperature can also be set manually).
Technology:
- Resolution: 15-bit A/D conversion to ensure high-precision measurement.
- Wire break detection: Real-time monitoring of the open circuit (Wire-Break) status of the input line.
Specification：
| Parameter | Value |
| Resolution | 15 bits |
| Input impedance | > 1 MΩ |
| Maximum field cable length | 600 meters (656 yards) |
| CMRR, 50Hz, 60Hz | 120 dB |
| NMRR, 50Hz, 60Hz | > 60 dB |
| Rated insulation voltage | 50 V |
| Dielectric test voltage | 500 V a.c. |
| Power dissipation | 1.6 W |
| Current consumption +5 V Modulebus | 75 mA |
| Current consumption +24 V Modulebus | 50 mA |
| Width | 45 mm |
| Depth | 102 mm |
| Height | 119 mm |
| Weight | 0.22 kg |
ABB AI835 3BSE008520R1 - Questions and Answers：
Q: What is the brand?
A: ABB
Q: What is the type?
A: Analog Input Module
Q: What is the warranty period?
A: 1 year.
Q: What is the delivery time?
A:in stock
Q: Where is the shipping location?
A: Xiamen.
Q: What is the payment method?
Answer: T/T (Telegraphic Transfer).
Contact us
Our address
Room 1904, Building B, Diamond Coast, No. 96 Lujiang Road, Siming District, Xiamen, Fujian, China
Phone Number
+86 18059276824
sales7@nseauto.com
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