WTD918X GPRS wireless communication protocol module

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Technical Parameters
Installation size
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product description
8 analog / thermocouple inputs

Analog input parameter

Mode
Intended
Quantity
Lose
Into

number
aisle 8-way differential
Resolution 16bit
Sampling Rate 60Hz
Input voltage ±10V, ±5V, ±2.5V, ±1V, ±0.5V, ±0.1V, ±20mV
Input Current ±20mA, +4~20mA
Input sensor J, K, T, E, R, S, B thermocouple
Wire break detection stand by
Isolation voltage 3KV Vdc

Motherboard parameters

Master
Board

number
operating system FreeRTOS
Processor STM32 (Cortex-M3)
Processor speed 72MHz
LED indicator Power light, communication light, channel light
Watchdog System watchdog, communication watchdog (programmable)
Protective function Overcurrent, overvoltage, overtemperature, anti-reverse
Communication Interface Wireless
Upgrade program interface Built-in MiniUSB
letter of agreement Wireless GPRS

Institutional and environmental parameters

Machine
Structure
And
Ring


number
shell material ABS plastic
Dimensions 98×106×41mm (excluding antenna)
Rail support DIN35mm
power input 10 to 48V (24Vdc rated)
Power consumption ~2.7W (24Vdc)
Operating temperature -20 to 70 ° C
Storage temperature -30~80°C
Humidity 10 to 90% RH (non-condensing)
Weight ~0.3Kg
Certification and testing EMC (EN61000-6-2/4), safety regulations
Parameter setting software WTDUtility
WTD918X GPRS wireless communication protocol module Dimensions

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WTD9 Series GPRS Wireless Communication Protocol Module [User Manual]

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Copyright: Shanghai Huidu Intelligent System Co., Ltd. Website: Shanghai ICP 09004601-1-1
Public Security Record No.: 31011202008719
Technical support: Macau Interactive