Modbus measuring module with 16 inputs in DIN rail enclosure, front three-quarter view (shown: AV251228A1 board)

16 voltage inputs to Modbus RTU (RS485)

Article number 16-kanaals-spanningsmeting-Modbus

This measuring module measures the voltage on 16 inputs and places the measured value per channel, in volts, in the Modbus registers. The inputs read analogue and digital signals up to 24 V, for example 0-3.3 V, 0-5 V, 0-12 V or 0-24 V. This also lets you read the state of detection switches or of buttons in a control panel.

Supply 12 to 24 V DC (±15 %)
Input 16 voltage inputs, 24 V max.; analogue or digital, for example 0-3.3 V, 0-5 V, 0-12 V or 0-24 V
Output modbus RTU over RS485; measured voltage per channel in volts

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Specifications

Specifications
Supply	12 to 24 V DC (±15 %)
Input	16 voltage inputs, 24 V max.; analogue or digital, for example 0-3.3 V, 0-5 V, 0-12 V or 0-24 V
Output	Modbus RTU over RS485; measured voltage per channel in volts
Baud rate	9,600 to 921,600 bps, 19,200 bps as delivered
Dimensions	90 x 80 x 40 mm with DIN rail enclosure
Mounting	DIN rail

Datasheet (PDF)PDF, 107 kB

Application

Building management systems (BMS)
Industrial automation
Smart buildings
Monitoring many switches or sensors at the same time

16-channel measuring modules to Modbus RTU

These measuring modules measure 16 inputs and place the values in Modbus registers, to be read via Modbus RTU over RS485 by a PLC, controller or SCADA system. The baud rate is adjustable from 9,600 to 921,600 bps, 19,200 bps on delivery. Supply 12 to 24 V DC (±15 %); dimensions with DIN rail enclosure 90 x 80 x 40 mm. On request: Modbus TCP over Ethernet, an isolated RS485 port, a different measuring range or a different input type.

The voltage module measures the voltage per channel, up to 24 V, for analogue and digital signals. The AV251228A1 measures the resistance per channel (0 Ω to 50 kΩ) and reports open circuit, short circuit and whether a button is pressed or released.

More about the Modbus-16 series