User Guide

User Guide

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[3] Measure data update time interval. The sensor periodically updates the readings after the power-on

warm-up time, if the power supply continues.

[4] Modbus master poll rate.

[5] When the delay response register 0x0020 is set to 0, the time from the sensor receiving the read

instruction to the start of sending data.

[6] The time from when the sensor is powered on to when the data is read. Note the parameter when the

sensor is powered on.

[7] It refers to the time between the data logger sending the ‘aM!’ and the sensor responding to the service

request. Note the parameter when the data logger does not wait for the service request but delays for a

period of time and directly send ‘aD0!’.

[8] When the light intensity is greater than 150 Lux, the warm-up time of the value (@typical 350ms) can

ensure 100% reading of the correct data. When the light intensity is less than 150 Lux, the warm-up time

of the value (@max 1200ms) can ensure 100% reading of the correct data.