KNX-GW-MODBUS-SK10-RS485 - KNX Modbus RTU Gateway, RS485, Surface Mount, IP54/65

SKU: 40300010
✗ UL Listed
This product has not been certified by an NRTL (UL, ETL, CSA or equivalent). Installation in USA projects may require a Field Evaluation by a recognized laboratory. Consult your local AHJ before specifying.
~ Low Voltage · SELV
This device operates on a Safety Extra Low Voltage circuit — such as the KNX 29V bus or a DALI 16V bus (NEC Class 2). When powered by an NRTL-listed power supply, many AHJs accept non-listed SELV devices. Verify with your local AHJ before specifying.
Regular price $282.71 USD
Regular price -17% $339.25 USD Sale price $282.71 USD
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The KNX-GW-MODBUS-SK10-RS485 is a surface-mount Modbus RTU master in an IP54/65 housing, suited to plant rooms and mechanical spaces. It polls up to 31 Modbus slaves over RS485 and maps 32 scalable datapoints to KNX.

Configuration is done in ETS, including scaling and reading cycle. The gateway provides a 12 VDC output for Modbus devices and requires a 24-32 VDC auxiliary supply.

Key Features

  • Modbus RTU master with 32 freely assignable, scalable datapoints
  • 300-115,200 baud, parity even/odd/none, device IDs 1-247
  • Multiplier/offset scaling; KNX 1, 8, 16 and 32-bit datapoint types
  • Reading cycle adjustable from 10 s to 12 h
  • RS485 for up to 31 Modbus slaves; 12 VDC/100 mA output
  • Auxiliary supply 24-32 VDC, max. 100 mA (required)
  • IP54/65 surface housing, 72 x 64 x 40 mm (2.83 x 2.52 x 1.57 in); ETS app KNX-GW-ModBus

Technical Specifications

Article no. 40300010
KNX bus voltage KNX 21-32 VDC
Power consumption 10 mA KNX load
Auxiliary supply 24-32 VDC, max 100 mA (required)
Inputs / outputs & connections KNX terminal; RS485 Modbus (max 32 participants incl. master); 12 VDC/100 mA output for Modbus devices
Protection rating IP54/65
Dimensions 72 x 64 x 40 mm (2.83 x 2.52 x 1.57 in)
Mounting Surface/wall mount (SK10), plastic
Operating temperature -25 to +80 °C (-13 to 176 °F)

Downloads

(CE certified; not UL/NRTL listed — verify local code requirements before specifying in US installations)

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