Product Overview
Banner S15C-MTH-KQ In-Line Signal Converter - Modbus RTU Temp and Humidity to IO-Link, 18-30V DC, IP67 M12 QD
Condition
Single unit available. Unused new old stock acquired from a contract manufacturer clearing surplus stock. Body is clean and pristine with no signs of use. Banner logo intact, knurled M12 connectors show no corrosion, gold pins are straight and clean, and the orange O-ring seal is intact. Label and wiring diagram document included, clean and unfolded. Photos show the specific unit you will receive.
Ships same business day from Idaho. Packed carefully with ESD-appropriate protection.
Backed by our guarantee. Serving customers since 1999.
Product Overview
Banner Engineering S15C-MTH-KQ is an in-line signal converter that bridges Modbus RTU temperature and humidity sensors to IO-Link smart systems - no sensor replacement required. It functions as a Modbus master on the input side and an IO-Link device on the output side, translating real-time temperature and humidity data into a format any IO-Link master can read and act on. The overmolded body is rated IP67, IP68, and NEMA 1, with an operating range of -40 to +70 degrees C. Connectivity is through integral 4-pin M12 Euro-style quick-disconnect connectors - female input, male output. Runs on 18-30 V DC, drawing less than 50 mA. Barcode 809832 confirmed on included wiring document.
Key Features
- Function: Modbus RTU master (input) to IO-Link device (output) signal conversion
- Input: Modbus temperature and humidity sensor data
- Output: IO-Link protocol
- Power: 18-30 V DC, less than 50 mA maximum current draw
- Connectors: Integral 4-pin M12 Euro-style QD - female input, male output
- Environmental rating: IP67, IP68, NEMA 1, UL Type 1 (UL Listed, Class 2, CE marked - confirmed on unit label)
- Operating temperature: -40 to +70 degrees C (-40 to +158 degrees F)
- Housing: Black overmolded body with knurled nickel M12 coupling rings
- Wiring diagram document included - shows 24V DC, RS485, and IO-Link pinout
Applications
- Integrating legacy Modbus temperature and humidity sensors into IO-Link-enabled control systems without replacing existing sensor infrastructure
- Condition monitoring and predictive maintenance programs in manufacturing environments
- Refrigerated room and cold storage monitoring where the -40 degree C low end matters
- HVAC system sensor integration into modern IO-Link masters
- Control panel cabinet environmental monitoring
- Process monitoring in food, pharmaceutical, or chemical facilities requiring IP67 rated instrumentation
Frequently Asked Questions
What does this converter require to function?
It requires a Modbus RTU temperature and humidity sensor on the input side and an IO-Link master on the output side. Power supply must be 18-30 V DC. Connectivity is through 4-pin M12 Euro-style quick-disconnect connectors. Overcurrent protection must be provided by the end application.
Is this compatible with Banner's QM30VT2 vibration and temperature sensor?
No. The QM30VT2 pairs with the S15C-MVT-KQ, which is the vibration and temperature variant. This unit - the S15C-MTH-KQ - is specifically for Modbus temperature and humidity sensors. Confirm your sensor's output protocol and data type before ordering.
What other S15C variants exist, and how do I know I need this one?
The S15C series includes converters for vibration and temperature (S15C-MVT-KQ), analog current 4-20mA (S15C-I-KQ), generic Modbus (S15C-MEZ-KQ), ultrasonic Modbus (S15C-MUL-KQ), and others. If your sensor outputs Modbus RTU temperature and humidity data and your control system speaks IO-Link, this is the correct variant.
Is a wiring diagram or documentation included?
A wiring diagram document is included with this unit. It shows the 24V DC supply, RS485 Modbus connections, and IO-Link pinout. Confirmed present and in clean condition.
What is not included?
No IO-Link master, Modbus sensor, or external power supply is included. This is the converter only.
A lot of legacy sensor infrastructure gets replaced when the real problem is just the handshake between protocols. This converter solves that handshake - temperature and humidity data already in the field, now readable by a modern IO-Link system. Plug it in-line and the conversation starts.
