The standard MODBUS-RTU protocol supports direct connection with PLC and imports BOSCH pressure sensor with high accuracy.

Baby details

Basic product parameters:

Range: 0 to 100110120Kpa

Signal output: 4 ~ 20mA / RS485 MODBUS-RTU

Power supply range: 12 to 36VDC

Measurement accuracy: less than 0.2%F.S

Use temperature: – 40 – 80 C

Load (omega): < (U-7.5V) /0.02

Response time: less than 1ms

Electrical connection: terminal

Measuring medium: air

Application of wind resources to assess meteorological characteristics of research environment, high level linear voltage output.

Pressure range: 15 to 115 kPa (4.43 to 34 in.Hg)

Accuracy: + / – 1.5 kPa maximum uncorrected offset (+ / – 0.443 in.Hg)

Each sensor contains a calibration table output signal for the specified offset correction value: 4 to 20mA output tilt: 0.046volts/ kPa (0.155 V/ inHg) output offset: 10.55 kPa (3.115 inHg) 0 output half span output tilt: 0.023 volts/ kPa (0.077 V / inHg)

Nonlinearity: 0.1% power requirements for maximum value:

Power supply voltage: 7 to 35 VDC

Power supply current: maximum 15 mA (standard 8 mA)

Turn on time: 15 milliseconds

The default parameters of the protocol factory:

L communication interface: RS485.

L communication format: 1 starting bits, 8 data bits, no check, 1 stop bits.

L baud rate: 9600 (can be changed by software).

L address: 1 (can be changed by software).

L communication mode: the monitoring host and the device adopt one to one (or one to many) master slave query mode.

L data protocol: MODBUS-RTU

MODBUS protocol commands, detailed explanations, examples

Note: without special explanation, the data in all the following commands is 16 hexadecimal, and the slave address is the default 01.