KNX-GW-MODBUS-SK07-RS232 - KNX Modbus RTU Gateway, RS232, In-Wall, 32 Datapoints

SKU: 40310007
✗ 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 $243.26 USD
Regular price -17% $291.92 USD Sale price $243.26 USD
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The KNX-GW-MODBUS-SK07-RS232 is a compact in-wall Modbus RTU master with an RS232 port for a single Modbus device, such as a heat pump or inverter. Up to 32 Modbus registers are scaled and mapped to KNX datapoints in ETS.

The gateway fits an SK07 in-wall housing, provides a 12 VDC output for the connected Modbus device 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
  • RS232 point-to-point for 1 Modbus device; 12 VDC/100 mA output
  • Auxiliary supply 24-32 VDC, max. 100 mA (required)
  • SK07 in-wall housing, 50 x 50 x 20 mm (1.97 x 1.97 x 0.79 in), IP20; ETS app KNX-GW-ModBus

Technical Specifications

Article no. 40310007
KNX bus voltage KNX 21-32 VDC
Power consumption approx. 240 mW at 24 VDC / 10 mA KNX load
Auxiliary supply 24-32 VDC, max 100 mA
Inputs / outputs & connections KNX terminal; RS232 point-to-point (1 Modbus device); 12 VDC/100 mA output for Modbus device
Protection rating IP20
Dimensions 50 x 50 x 20 (58 mm (2.28 in) diagonal)
Mounting Flush / in-wall box (SK07), plastic
Operating temperature -20 to +55 °C (-4 to 131 °F) / -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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