ZOGLAB Your Environment is Our Focus Userssss Manual WPUWPUWPUWPU User Manual UserUser Manual Manual Ver1.1 Date2015.01.21 1 ZOGLAB Microsystem Co.,Ltd ZOGLAB Your Environment is Our Focus 1 PRODUCT OVERVIEW 1.1 General Description WPU is a device with high precision sensor. It measures field temperature and humidity, and also transfers data to Data Centre for processing and display. Data Centre is able to manage several WPUs, display real-time data, and create graphs to show temperature and humidity fluctuation. 1.2 Device Features High precision sensor Universal 2.4G Hz Wi-Fi communication technology Charge acceptance and long battery life Highlight OLED Breath-lamp-like LED Streamlined and dainty design 2 ZOGLAB Microsystem Co.,Ltd ZOGLAB Your Environment is Our Focus 1.3 Device Parameters Operating Temperature:
-20
~+60 Discharge 0~+40 Charge Operating Humidity 0~95%RH Non-condensing Charging Voltage Charging Current 4.8~5.5VDC
<1.25A @ 5VDC Charging Time(Std.)
~4.0 hours Operating Current Average
~20mA Peak
~200mA Charging & Communication Interface miniUSB 9600bps 8 N 1 Battery 3.6V Lithium Ion Battery Nominal Capacity(Minimum) Operating Time(Typical)
>48 hours(with a sample rate of 2s) Standby Time(Typical) 3 months Wireless Standard 802.11 b/g/n Frequency Range 2.412GHz~2.484GHz Transmit Power Receiver Sensitivity 802.11b
-93dBm
@11Mbps,CCK 802.11b 802.11g 802.11n 2dBm
@11Mbps 2dBm
@54Mbps 2dBm
@HT20,MCS7 802.11g
-85dBm
@54Mbps,OFDM 802.11n
-82dBm
@HT20,MCS7 2500mAh 14 16 13 Probe Type Probe Quantity T Measuring Range T Accuracy HC2-HS 10/Sets
-50~100 0.3 H Measuring Range 0~100%RH H Accuracy 0.5%RH Logging Interval 2 seconds~24 hours Memory Size Start Mode Software 250,000/1,000,000 Software Start/Remote Start EVS/Customized Networking Features Unlimited expansion via AP Test Report: Available Software:
Self-defined inspection rules based on JQ211 standards. Refresh interval can be Wireless Adaptor:
Install Accessory:
user-defined. Original data can be saved, edited or modified. Support data transmission supplement. High performance AP Available Portable Transfer Case:
Available Industrial Tablet PC:
Available 3 ZOGLAB Microsystem Co.,Ltd ZOGLAB Your Environment is Our Focus 1.4 Safety Precautions This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:
(1) This device may not cause harmful interference, and
(2) This device must accept any interference received, including interference that may cause undesired operation. Please take attention that changes or modification not expressly approved by the party responsible for compliance could void the users authority to operate the equipment. Note: This product has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This product generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this product does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:
Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. This equipment should be installed and operated with a minimum distance 20cm between the radiator and your body. 4 ZOGLAB Microsystem Co.,Ltd ZOGLAB Your Environment is Our Focus 1.5 Block Diagram Power Part Circuit:
The Module powered by single 3.3V source and most components which include MC101/Flash use single 3.3V supply. The main chipset MT5931SA has internal switching circuit as following to generate 1.6V supply, which as input to MT5931SA internal LDO. The MT5931SA LDO output 1.2V provides the 5 ZOGLAB Microsystem Co.,Ltd supply for MT5931SA digital and RF core circuit. ZOGLAB Your Environment is Our Focus RF Part Circuit:
The Wi-Fi module support 802.11b/g/n single band 2412-2472MHz and RF part circuit as follows The module provides outside I-PEX connector for external antenna interface. The RF parameters as following table, 6 ZOGLAB Microsystem Co.,Ltd ZOGLAB Your Environment is Our Focus Memory Part Circuit:
The Wi-Fi module provides 2MB QSPI flash program memory, which support FreeRTOS OS and Wi-Fi driver loaded from QSPI flash to MCU SRAM after system boot up. The memory part circuit as follows:
Clock Part Circuit:
TheWi-FiModuleusesingle26MHzcrystalassystemclock,whichalsoprovideRFandDigital partclock.Thecrystalparameterrequirementasfollows:
Frequency:26MHz FrequencyOffset:+/-7ppm VIH/VIL:VCC-0.3V/0.3V DutyCycle:45%~55%
7 ZOGLAB Microsystem Co.,Ltd ZOGLAB Your Environment is Our Focus OPERATION GUIDELINE Turn On/Off When WPU is off, press and hold * key for 3 seconds to turn it on. In this status, WPU shows temperature value, humidity value, and battery capacity. When WPU is on, press and hold * key for 3 seconds to turn it off. In this status, WPU will not display or will display the charging icon only if its connecting to charger or PC. Display switch In working mode, press * key to switch display the below items in cycle:
1. Temperature and humidity value, battery power 2. The preset info of IP, subnet mask and gateway 3. SSID of the access point, password and signal strength 4. The IP and port of server Caution: Charging icon automatically display when WPU is connected to USB interface. Charge WPU will be charged through its USB interface connecting to any charger or PC. It allows a maximum currency of 1A. It takes about 4 hours to finish charging with the assorted charger. Please choose chargers with enough power or it will lead to prolongation of charging time. In charging mode, the LED will keep showing like a breath lamp until charging finished. 8 ZOGLAB Microsystem Co.,Ltd