Moxa 85M-3800-T | ioPAC 8500 8-Channel Analog Input Module, 4-20 mA, -40 to 75°C

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SKU:85M-3800-T

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Description

The Moxa 85M-3800-T is a rugged ioPAC 8500 Series (85M) analog input I/O module with 8 differential channels for 4 to 20 mA current signals, a built-in 125 ohm input resistor and a -40 to 75°C operating range. It suits industrial edge connectivity deployments where field sensors and transmitters need accurate 16-bit measurement in harsh, extreme-temperature environments.

This module is compatible with both ioPAC 8500 and ioPAC 8600 systems, offering millisecond timestamp granularity for analog inputs, burn-out detection on each channel and 3 kVDC isolation. Spring-type Euroblock terminals simplify field wiring, and the compact 25 mm wide body saves space in the controller backplane.

Features

- Wide operating temperature range of -40 to 75°C
- Compatible with both ioPAC 8500 and ioPAC 8600 systems
- Millisecond timestamp granularity for analog inputs
- Burn-out detection on 4 to 20 mA input channels
- Rugged design for industrial edge connectivity

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
- Accuracy: ±0.1% FSR @ 25°C, ±0.3% FSR @ -40 to 75°C
- Built-in 125 ohm current-input resistor; input impedance 125 ohms (min.)
- Sampling rate: 100 samples/sec across all channels, 12.5 samples/sec per channel
- Isolation: 3 kVDC or 2 kVrms
- Connector: Spring-type Euroblock terminal
- Power consumption: 43.8 mA @ 24 VDC
- Dimensions: 25 x 128.2 x 85.5 mm
- Operating temperature: -40 to 75°C

FAQs

Q: What signal type does the Moxa 85M-3800-T accept?
A: It accepts 4 to 20 mA current signals on 8 differential analog input channels, with a built-in 125 ohm current-input resistor and burn-out detection.

Q: Which controllers is the 85M-3800-T compatible with?
A: It is designed for the Moxa ioPAC 8500 Series and is also compatible with ioPAC 8600 systems.

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

Q: What resolution and accuracy does it provide?
A: It offers 16-bit resolution with accuracy of ±0.1% FSR at 25°C and ±0.3% FSR across -40 to 75°C.

Q: How is the module wired?
A: Field wiring connects via a spring-type Euroblock terminal, and channels are isolated to 3 kVDC or 2 kVrms.

Datasheet

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

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Moxa 85M-3800-T | ioPAC 8500 8-Channel Analog Input Module, 4-20 mA, -40 to 75°C