TNOSA20XM | Greystone Energy Systems | Humidity

POWER SUPPLY

BACnet®: 24 Vac/dc ±10% (non-isolated half-wave rectified)

Modbus: 24 Vac/dc ±20% (non-isolated half-wave rectified)

CONSUMPTION

BACnet®: 25 mA max @ 24 Vdc

Modbus: 10 mA max @ 24 Vdc

OUTPUT SIGNAL

MS/TP 2-wire RS-485 (BACnet® or Modbus)

OPERATING ENVIRONMENT

-40 to 50°C (-40 to 122°F), 5 to 95 %RH non-condensing

PROBE MATERIAL

Machined aluminum

WIRE MATERIAL

PVC insulated, parallel bonded (22 AWG)

WIRING CONNECTIONS

Screw terminal block (14 to 22 AWG)

ENCLOSURE

A: Polycarbonate, UL94-V0, IP65 (NEMA 4X)

E: Same as A, with thread adapter (1/2” NPT to M16) and cable gland fitting

COUNTRY OF ORIGIN

Canada

TEMPERATURE

Sensing Element: NTC thermistor

Accuracy: ±0.2°C (±0.36°F) @ 0 to 70°C (32 to 158°F)

Probe Sensing Range: -40 to 50°C (-40 to 122°F)

Resolution: 0.1°C/°F

BACnet® COMMUNICATIONS INTERFACE

Hardware: 2 wire RS-485

Software: Native BACnet® MS/TP protocol

Baud Rate: 9600, 19200, 38400, 57600, 76800, or 115200 (auto-detect)

Network Address Range: Locally set to 0-127

Serial Configuration: 8N1

MODBUS COMMUNICATIONS INTERFACE

Hardware: 2 wire RS-485

Software: Native Modbus MS/TP protocol (RTU)

Baud Rate: 9600, 19200, 38400, 57600, 76800, or 115200 (auto-detect)

Network Address Range: Locally set to 1-255 (switch selectable)

Parity: None

Stop Bits: 1

Error Checking: A001 (CRC-16 reverse)

INPUT VOLTAGE EFFECT

Negligible over specified operating range

PROTECTION CIRCUITRY

Reverse voltage protected, and output limited.