The Acromag is a NTW2220 Wireless Remote Analog 16 Current Inputs IO Module. This enables monitoring of up to sixteen process instrumentation loops across distributed infrastructure environments using industrial Wi-Fi Ethernet connectivity.
Each input channel supports multiple measurement ranges including:
- ±20 mA
- 0–20 mA
- 4–20 mA
- 0–50 mA
- 10–50 mA
making the module suitable for monitoring a wide variety of industrial transmitter outputs and instrumentation loops.
As part of the BusWorks NT modular remote I/O platform, the NTW2220 supports expansion using NTX modules. This allows you to scale monitoring systems up to 64 mixed signal I/O channels under one IP address, simplifying integration across distributed automation architectures.
Key Features
- Sixteen single-ended current input channels for distributed instrumentation monitoring
- Supports ±20 mA, 0–20 mA, 4–20 mA, 0–50 mA, and 10–50 mA ranges
- High-accuracy measurement performance (±0.05 % typical)
- Integrated dual-band Wi-Fi Ethernet connectivity (2.4 GHz / 5 GHz)
- Includes RJ45 Ethernet port for configuration and flexible wired deployment options
- Supports Modbus TCP/IP and EtherNet/IP industrial protocols
- OPC UA, MQTT, and REST API support for IIoT integration
- Expandable to 64 mixed signal I/O channels using NTX expansion modules
- Supports peer-to-peer communication using Acromag i2o messaging technology
- 1500 V isolation between I/O, network, and power circuits
- Slim 25 mm DIN-rail enclosure for compact cabinet installation
- Wide industrial operating temperature range −40 °C to +70 °C
- LED status indicators simplify troubleshooting and commissioning
Supported Industrial Protocols
The NTW2220 Wireless Remote Analog 16 Current Inputs IO Module integrates directly into automation systems using:
- Modbus TCP/IP
- EtherNet/IP
- OPC UA
- MQTT
- REST API
These protocols enable direct connectivity with PLC controllers, SCADA monitoring platforms, and modern IIoT data systems.
Expandable BusWorks NT Remote I/O Architecture
The NTW2220 operates as a wireless interface module within the Acromag BusWorks NT modular remote I/O system.
A BusWorks NT node consists of either:
- an NTW wireless interface module, or
- an NTE wired Ethernet interface module
combined with optional NTX expansion modules connected via the internal NT bus along the DIN rail.
This architecture allows monitoring systems to scale up to 64 mixed analog, digital, and temperature I/O channels under one IP address, simplifying addressing across distributed monitoring installations.
Equivalent wired Ethernet connectivity is available using BusWorks NTE interface modules where wireless deployment is not preferred. The wired compatible product for this version is the NT2220.
Typical Applications
Remote 4–20 mA Instrumentation Monitoring
Monitor transmitter outputs from:
- pressure instrumentation
- level instrumentation
- flow transmitters
- temperature transmitters
Supports accurate acquisition of process control signals across distributed infrastructure locations.
Utilities and Water Infrastructure Monitoring
Deploy the NTW2220 within:
- pump stations
- treatment plants
- reservoir monitoring cabinets
- distributed telemetry enclosures
Wireless connectivity simplifies monitoring across large infrastructure sites.
Industrial Process Monitoring Systems
Suitable for monitoring instrumentation loops located within:
- auxiliary control panels
- remote plant equipment enclosures
- retrofit monitoring installations
- distributed instrumentation cabinets
Transport and Infrastructure Monitoring Applications
Install within:
- signalling equipment shelters
- roadside monitoring cabinets
- tunnel services enclosures
- distributed transport infrastructure panels
Extends monitoring capability beyond Ethernet cabling limits.
How the NTW2220 Wireless Remote Analog 16 Current Inputs IO Module Works
Typical deployment architecture:
4–20 mA instrumentation loops
→ NTW2220 Wireless Remote Analog 16 Current Inputs IO Module
→ Wi-Fi Ethernet network
→ PLC, SCADA, or cloud monitoring platform
This enables high-channel-density instrumentation monitoring without installing additional network cabling between distributed control cabinets.
Wireless Connectivity and Communication Range
The NTW2220 includes an external omni-directional antenna. With approximately 2.15 dBi gain and supports wireless communication distances of up to 100 metres line-of-sight. Depending on enclosure type, antenna placement, and site network infrastructure.
An integrated RJ45 port also allows flexible wired configuration and deployment options where required.
Technical Specifications
| Feature | Specification |
|---|---|
| Analog Inputs | 16 single-ended current inputs |
| Input Ranges | ±20 mA, 0–20 mA, 4–20 mA, 0–50 mA, 10–50 mA |
| Conversion Scheme | 16-bit bidirectional current input range conversion using precision sigma-delta ADC architecture |
| Input Accuracy | ±0.05 % typical |
| Network Interface | Wi-Fi Ethernet (802.11 a/b/g/n dual-band) |
| Industrial Protocols | Modbus TCP/IP, EtherNet/IP |
| IIoT Support | OPC UA, MQTT, REST API |
| Expansion Capability | Up to 64 channels using NTX modules |
| Isolation | 1500 V between I/O, network, and power |
| Mounting | DIN-rail |
| Operating Temperature | −40 °C to +70 °C |
Refer to the spec sheet for more detailed information
Wireless Remote Analog 16 Current Inputs IO Module Integration Support
Metromatics provides local engineering support across Australia and New Zealand for integrating the Acromag NTW2220 Wireless Remote Analog 16 Current Inputs IO Module into transport infrastructure, utilities monitoring systems, and industrial automation environments.
Speak with our team to configure scalable BusWorks NT wireless monitoring nodes, expand systems using NTX modules, and deploy reliable remote acquisition of 4–20 mA instrumentation loops across PLC and SCADA architectures.
