Moxa 85M-3801-T | ioPAC 8500 Analog Input Module, 8 AI, 4-20 mA, 40 kHz

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SKU:85M-3801-T

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Description

The Moxa 85M-3801-T is a rugged ioPAC 8500 Series analog input module with 8 differential channels for 4 to 20 mA signals and high-speed 40 kHz sampling. Designed for industrial automation and data acquisition, it delivers 16-bit resolution with burn-out detection and operates across a -40 to 75°C temperature range, suiting harsh and outdoor control cabinets. This 40 kHz variant is built for fast analog acquisition, unlike the slower 85M-3800-T at 100 samples per second.

The module is compatible with both ioPAC 8500 and ioPAC 8600 Series controllers and includes a built-in 125 ohm resistor for current input. On-module buffering stores 60 KB of historical data per channel, and the spring-type Euroblock terminal supports 14 to 28 AWG wiring for fast, tool-light installation.

Features

- Compatible with both ioPAC 8500 and ioPAC 8600 Series controllers
- High-speed 40 kHz sampling for fast analog acquisition
- Wide operating temperature range of -40 to 75°C for harsh environments
- Burn-out detection on 4-20 mA inputs
- On-module data buffering of historical data

Warranty

Moxa offers varying warranty periods depending on the product category:
• 5-Year Warranty: Applies to most industrial networking and connectivity products, including Ethernet switches, routers, wireless devices, serial converters, protocol gateways, and USB hubs.
• 3-Year Warranty: Covers x86-based industrial computers and panel PCs.
• 1-Year Warranty: Applies to external batteries, LCD panels, power adapters, antennas, and other select accessories.
Extended Warranty Options:
IP Trading offers tailored extended warranty solutions and support packages for Moxa products. Contact our team to explore options that align with your organization's needs.
https://www.moxa.com/en/support/repair-and-warranty/warranty-policy

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Datasheet

Technical Specifications

- 8 x analog input channels (differential)
- Input range: 4 to 20 mA with burn-out detection
- Resolution: 16 bits
- Sampling rate: 40k samples/sec all channels, 5k samples/sec per channel
- Accuracy: ±0.1% FSR @ 25°C, ±0.3% FSR @ -40 to 75°C
- Built-in 125 ohm resistor for current input; input impedance 125 ohms (min.)
- Historical data buffering: 60 KB per channel (6-second buffer at 5 kHz)
- Connector: Spring-type Euroblock terminal; wiring 14 to 28 AWG
- Power consumption: 52.1 mA @ 24 VDC
- Dimensions: 25 x 128.2 x 85.5 mm
- Weight: under 80 g
- Operating temperature: -40 to 75°C
- Storage temperature: -40 to 85°C
- Humidity: 5 to 95% non-condensing

FAQs

Q: Which controllers is the Moxa 85M-3801-T compatible with?
A: It is compatible with both ioPAC 8500 and ioPAC 8600 Series controllers.

Q: How does the 85M-3801-T differ from the 85M-3800-T?
A: Both are 8-channel 4 to 20 mA analog input modules, but the 85M-3801-T samples at 40 kHz, whereas the 85M-3800-T samples at 100 samples per second.

Q: What input signal does this module accept?
A: It accepts 4 to 20 mA current signals on 8 differential channels, with burn-out detection and a built-in 125 ohm resistor.

Q: What is the operating temperature range?
A: The module operates from -40 to 75°C, making it suitable for harsh industrial environments.

Q: What is the resolution and accuracy?
A: Resolution is 16 bits, with accuracy of ±0.1% FSR at 25°C and ±0.3% FSR across -40 to 75°C.

Q: What wiring does the terminal support?
A: The spring-type Euroblock terminal supports 14 to 28 AWG wiring.

Datasheet

This product has a detailed PDF datasheet available. Open PDF datasheet in a new tab .

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Moxa 85M-3801-T | ioPAC 8500 Analog Input Module, 8 AI, 4-20 mA, 40 kHz