Ethernet IO remote analog inputs outputs 0-20mA: 2xAI/AO, Modbus TCP, REST, MQTT, OPC UA
Industrial module for remote monitoring and acquisition of analog signals. 2 channels, each individually configurable as AI or AO (0/4–20 mA). Analog data can be collected and controlled via OPC UA, REST, MQTT, Modbus TCP or web server. Built-in data logger for archiving data in the internal memory with the option to download the values as a CSV file; capacity min. 150 days up to max. 99 years, logging every 15 or 30 s, or every 1, 5, 15 or 60 min. Alarm system with e-mail notification, automatic output control based on the input. Data acquisition 2x per second, power supply 12–48 VDC or PoE, DIN rail mounting. More
Code: 57161
Industrial module for remote monitoring and acquisition of analog signals. 2 channels, each individually configurable as AI or AO (0/4–20 mA). Analog data can be collected and controlled via OPC UA, REST, MQTT, Modbus TCP or web server. Built-in data logger for archiving data in the internal memory with the option to download the values as a CSV file; capacity min. 150 days up to max. 99 years, logging every 15 or 30 s, or every 1, 5, 15 or 60 min. Alarm system with e-mail notification, automatic output control based on the input. Data acquisition 2x per second, power supply 12–48 VDC or PoE, DIN rail mounting. More
Code: 57161
0/4–20 mA analogue signals available via Ethernet
The W&T 57161 is a network module for measuring and configuring 0/4–20 mA current signals. It features two channels that can be configured as either analogue inputs or outputs, a web interface, internal data logging, and support for OPC UA, MQTT, REST and Modbus TCP.
Do you need to select or order the W&T 57161?
Please send us the required quantity and a description of the wiring configuration. We will check availability and suitable accessories.
Usage
It is used to connect sensors with a 0/4–20 mA output, to record measured values and to control analogue actuators via Ethernet. Box2Box mode allows an analogue value to be transmitted between two appropriately configured modules.
Technical specifications for W&T 57161
| Passive current input | 0/4–20 mA, 100 Ω |
|---|---|
| Active current input | 0/4–20 mA, load max. 500 Ω, supply voltage max. 14 V / 40 mA |
| Current output | 0/4–20 mA, maximum load 500 Ω, guaranteed voltage 10 V |
| Connecting analogue inputs/outputs | 8-pin terminal block Conductor cross-sectional area 0.2–1.3 mm² Length of stripped section: 6–8 mm |
| Current loop monitoring | Short-circuit protection and open-loop detection |
| Network interface | Automatic 10/100BaseT detection RJ45 IPv6 on request |
| Galvanic isolation | Measurement inputs relative to the network interface: min. 1500 V |
| Supply voltage | Power-over-Ethernet (PoE) or 12–48 V DC (±10 %) |
| Current consumption | PoE Class 1 (0.44–3.84 W) Typ. 75 mA at 24 V DC with an external power supply |
| Signalling | 1 Power LED 2× network status LEDs 4 LEDs for status and faults 1 warning LED |
| Resolution | Current input: 2.5 µA |
| Measurement error | max. 0.5% FSR (full scale 0 to 20 mA) TA = 0–60 °C |
| Save interval | 15, 30 s, 1, 5, 15, 60 min |
| History capacity | min. 150 days, max. 99 years |
| Updates to measured values for network queries and alarms | 2 per second |
| Housing and mounting | Compact plastic housing for DIN rail mounting 105 × 22 × 75 mm (length × width × height) |
| Degree of protection | IP20 |
| Weight | approx. 140 g |
| Ambient storage temperature | -40 to +70 °C |
| Operating ambient temperature | 0 to +60 °C |
| Contents of the delivery | 1x Web-IO Analogue In/Out 2x 0 to 20 mA PoE for DIN rail mounting 1× brief user guide in German and English |
Analogue signals and measurement recording
- The current input can be set to active or passive mode. The passive input has a resistance of 100 Ω. Both the active input and the current output are rated for a load of up to 500 Ω; the output is guaranteed to provide a voltage of 10 V.
- Internal measurements are updated twice per second. The recording interval is selected individually: 15 or 30 seconds, or 1, 5, 15 or 60 minutes.
- Up to 12 configurable alarm notifications are available, including email and SNMP. Data can be made available to a parent application or logged via FTP and other supported services.
- The history capacity depends on the selected interval. The stated range of 150 days to 99 years describes the volume of records, not the guaranteed operating life of the device.
Commissioning and accessories
Before connecting, select the function of each channel, the sensor connection method and the permitted load. Then configure the network, the scale of the displayed quantity, the communication services, the recording interval and the alarm limits. Check the terminal block connections against the manual for this model to ensure they are correct.
Contents of the delivery
- 1x Web-IO Analogue In/Out 2x 0–20 mA PoE
- for DIN rail mounting
- 1× brief user guide in German and English
Frequently Asked Questions
Are there two inputs and a further two outputs?
No. The module has two physical channels, which can be configured as inputs or outputs. This does not increase the total number of channels.
What do I need to check on the connected sensor?
The current input can be set to active or passive mode. The passive input has a resistance of 100 Ω. Both the active input and the current output are rated for a load of up to 500 Ω; the output is guaranteed to provide a voltage of 10 V.
Is the recording interval the same as the measurement period?
No. Measurements are updated twice per second, whilst the history is saved according to a separately configured recording interval.
Why order from FOXON?
Before placing an order, we will check the current availability of the part and confirm the estimated delivery date. We will assist you in selecting the equipment and necessary accessories based on the wiring configuration and required communication. We will confirm the warranty terms and the scope of any diagnostics or repairs for the specific quotation.
Documentation and technical consultancy
Technical data and documentation W&T 57161
Manuals, firmware and tools for this model can also be found in the Downloads tab. For service enquiries, please use sale and repair of FOXON industrial parts.
Do you need to select or order the W&T 57161?
Please send us the required quantity and a description of the wiring configuration. We will check availability and suitable accessories.
Diagrams and illustrations
Further related links
Technical specifications for the W&T 57161
| Passive current input | 0/4–20 mA, 100 Ω |
|---|---|
| Active current input | 0/4–20 mA, load max. 500 Ω, supply voltage max. 14 V / 40 mA |
| Current output | 0/4–20 mA, maximum load 500 Ω, guaranteed voltage 10 V |
| Connecting analogue inputs/outputs | 8-pin terminal block Conductor cross-sectional area 0.2–1.3 mm² Length of stripped section: 6–8 mm |
| Current loop monitoring | Short-circuit protection and open-loop detection |
| Network interface | Automatic 10/100BaseT detection RJ45 IPv6 on request |
| Galvanic isolation | Measurement inputs relative to the network interface: min. 1500 V |
| Supply voltage | Power-over-Ethernet (PoE) or 12–48 V DC (±10 %) |
| Current consumption | PoE Class 1 (0.44–3.84 W) Typ. 75 mA at 24 V DC with an external power supply |
| Signalling | 1 Power LED 2× network status LEDs 4 LEDs for status and faults 1 warning LED |
| Resolution | Current input: 2.5 µA |
| Measurement error | max. 0.5% FSR (full scale 0 to 20 mA) TA = 0–60 °C |
| Save interval | 15, 30 s, 1, 5, 15, 60 min |
| History capacity | min. 150 days, max. 99 years |
| Updates to measured values for network queries and alarms | 2 per second |
| Housing and mounting | Compact plastic housing for DIN rail mounting 105 × 22 × 75 mm (length × width × height) |
| Degree of protection | IP20 |
| Weight | approx. 140 g |
| Ambient storage temperature | -40 to +70 °C |
| Operating ambient temperature | 0 to +60 °C |
| Contents of the delivery | 1x Web-IO Analogue In/Out 2x 0 to 20 mA PoE for DIN rail mounting 1× brief user guide in German and English |
Frequently Asked Questions (FAQ) – W&T Web-IO Analog 57161
What is W&T Web-IO Analog 57161 used for?
W&T Web-IO Analog 57161 is used for remote reading and setting of 0/4–20 mA analog signals via Ethernet. It is suitable for data collection, signal monitoring, transmission of analog values over longer distances, or remote control of devices with an analog input.
How many analog channels does Web-IO Analog 57161 have?
The device has 2 analog channels. Each channel can be configured independently as an analog input or analog output, depending on the needs of the specific application.
Which analog signals does the device support?
Web-IO Analog 57161 supports 0–20 mA and 4–20 mA current signals. The current input can be wired as passive or active, so the device can provide loop power if required.
Can Web-IO Analog 57161 be connected to an OPC server or SCADA system?
Yes, the device supports OPC UA and OPC DA. Analog values can therefore be read, for example, from an OPC server, SCADA/HMI system, integration software, or another higher-level application.
Does Web-IO Analog 57161 support MQTT?
Yes, the device supports MQTT. Values can be sent to an MQTT broker, cloud application, edge system, or integration software.
Which other communication protocols does Web-IO Analog 57161 support?
In addition to OPC UA, OPC DA, and MQTT, it also supports REST / Web API, Modbus TCP, SNMP, FTP, TCP, UDP, HTTP, and Syslog. This allows it to be connected to industrial and IT systems without complex programming.
Does Web-IO Analog 57161 have a built-in datalogger?
Yes, the device has a built-in datalogger for storing measured values in internal memory. The data can be downloaded as a CSV file and further processed, for example, in Excel or other software.
What is Box2Box mode?
Box2Box mode allows two Web-IO devices to be connected via Ethernet and transmit analog values between them. This can replace long current loop wiring between two remote locations.
How is Web-IO Analog 57161 configured?
The device is configured via the integrated web interface. For basic IP address setup, device management, and firmware updates, the WuTility tool from W&T can be used.
How is Web-IO Analog 57161 powered?
The module can be powered via PoE or by an external 12–48 V DC power supply. It is designed for DIN rail installation in a control cabinet.
Does model 57161 replace the older Web-IO 57761?
Yes, model 57161 replaces the original Web-IO 57761. The new version has lower power consumption, a reset button, and a warning LED for signaling configuration errors or communication problems.
VIDEO: Easily Collect Machine Data via OPC UA & MQTT
At the beginning of 2024 we introduced a new product from the German manufacturer of industrial modules W&T to the Czech market. Check out our short videos to see how easy it is to set up and use W&T sensors and digital and analogue inputs and outputs for data acquisition using OPC UA and MQTT communications.
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