ShangHai Sunray Technology Co.,Ltd SRWF-8009G Wireless Meter Reading Module User Manual Version 2.0 1 / 17 ShangHai Sunray Technology Co.,Ltd Content 5 1. Product Overview ................................................................................................................................. 3 2. Electric Characteristics and Parameter ................................................................................................. 3 3. Software Function ................................................................................................................................ 5 3.1. Measurement ............................................................................................................................ 5 Communication Function ......................................................................................................... 8 3.2 Valve Control Function ............................................................................................................ 8 3.3 3.4 Battery voltage detection function ............................................................................................ 9 Alarm function ....................................................................................................................... 10 3.5 4 Brief Introduction of Compatibility..................................................................................................... 11 4.1. Pulse Closing Time Requirements ........................................................................................... 11 4.2. Pulse Number Requirements ................................................................................................... 11 4.3. Valve Requirements ................................................................................................................. 11 Structure and Installation Size ............................................................................................................ 13 Structure of the Module .......................................................................................................... 13 5.1. 5.2. Installation Size of the Module ............................................................................................... 13 6. Communication Tools ........................................................................................................................ 14 6.1. Handheld Unit ........................................................................................................................ 14 6.2. WAMR NET SYSTEM .......................................................................................................... 14 7. Parameter setting ................................................................................................................................ 15 7.1. Brief Introduction of parameter setting software.................................................................... 15 7.2. Relative Terminology Explanation of Parameter Setting ....................................................... 15 8. Certificates ......................................................................................................................................... 15 8.1. Pass CEROHSR&TTE Certificates ................................................................................ 16 8.2. Conform to the IP68 Standard. .............................................................................................. 16 9. Trouble Shooting ................................................................................................................................ 16 9.1. Common Malfunction ............................................................................................................ 16 9.2. Installation Reference ............................................................................................................. 17 2 / 17 ShangHai Sunray Technology Co.,Ltd 1. Product Overview SRWF-8009G is a Wireless Remote Cold Water Meter Module which passed RoHS and meets CE certification, and supports two-way communication. It can remotely turn on/off the valve via background management system. The Background management system can read the meter maximally every 1.5S. Standby current is less than 30uA when no interference. ER18505M battery (3.3A/h) will guarantee 11 years of working time. The modules would take on Anti-rust action for the Meter valve every 10 days to prevent valve stuck during remote valve controlling. Conforming to the IP68 standard test, the modules ensure well function even in humid environment. Wireless Remote Water Meter Module can be compatible with Reed switch metering sensor, Pairs measured at the Hall element sensor, Hall element metering sensor, Photoelectric direct reading measurement sensor. 2. Electric Characteristics and Parameter No. Description Parameter Unit Min Typical Max Power supply V 3.2 3.6 4.0 Notes Power type lithium thionyl chloride battery Working current Reading interval Working temperature Transmit Frequency Transmit uA S 25 MHz dBm 18 110 120 1 25 470 19 1.5 65 20 1 2 3 4 5 6 3 / 17 ShangHai Sunray Technology Co.,Ltd power Reliable Transmitting m 200 250 Distance Modulation mode Channel Lifetime Driving current of valve Reed switch module pin pull-up resistors Hall component pin input impedance Photoelectric direct reading module output voltage Photoelectric direct reading module output current UART Port compatibility level GFSK/FSK 1 year 10 mA 100 250 K 1.98 2 2.02 M 60 V 3.2 3.6 4 Open field User cant set the channel 3 mA V 100 Photoelectric meter power supply 7 8 9 10 11 12 13 14 15 16 4 / 17 ShangHai Sunray Technology Co.,Ltd 3. Software Function 3.1. Measurement 3.1.1. Double Reed Switch 3.1.1.1 Reed switch module pin connection NO Wire Colour 1 2 3 Black Purple Green Pin Function Common Ground Reed switch B Reed switch A 3.1.1.2 AB Reed switch pulse input timing diagram A Reed switch B Reed switch t1 t2 t3 NO 1 2 3 t1 t2 t3 State A Closing Time AB opening Time B Closing Time Input low pulse time requirement Min 1.5S 1S 1.5S Typ Max 3.1.2. Double Hall Component 3.1.2.1 Hall module pin connection NO Wire Color Pin Function Test Frequency 1 2 Pink Hall power supply terminal Black Common Ground Max driving current 1.5mA Vcc-
0.25 Power supply frequency 10Hz Output level Input level 3V 5 / 17 ShangHai Sunray Technology Co.,Ltd 3 4 Green Purple Hall Input B Hall Input A 10Hz 10Hz CMOS CMOS 3.1.2.2 Parameter Requirements of Hall Component VDD Hall A t1 t2 Hall B t3 t4 t5 NO 1 2 3 4 State Input low pulse time requirement Min Typ t1 t2 t3t5 t4 Hall meter head power supply time Detection interval Hall low time Two Hall high time 1.5S 1S Max 16mS 100mS 3.1.3. Three Hall Element 3.1.3.1 Double hall module pin connection NO Wire Color Pin Function Test Frequency Maximal driving Current Power supply frequency Output level Input level 1 Pink Hall power supply terminal 2 3 4 Black Common Ground Purple Hall Input B Green Hall Input A 10Hz 10Hz 1.5mA(VCC-
0.25) 10Hz 3V CMOS CMOS 6 / 17 ShangHai Sunray Technology Co.,Ltd 5 White Hall Input C 10Hz CMOS 3.1.1.4 Parameter of Hall Elements VDD Hall A t1 t2 Hall C Hall B t3 t4 t5 t6 t7 t8 NO 1 2 3 4 5 6 7 t1 t2 t3+t4 t4+t5+t6 t6+t7 t8 t5 State Hall meter power supply time Detection interval Hall A Low time Hall C Low time Hall B Low time Hall ABC High time Hall A Low time to Hall B Low time Input low pulse time Min Typ Max 16mS 100mS 1.5S 1.5S 1.5S 5S 2S 3.1.4. Photoelectric direct reading 3.1.4.1 Photoelectric meter and the module pin connection NO Wire Color Pin Function Maximum driving current Red Module power supply terminal Green/Black Controlled public ground 100mA VSS+0.2 Outp ut level 3.6V Power Supply Frequency Depend on meter reading frequency Input level 1 2 7 / 17 ShangHai Sunray Technology Co.,Ltd 3 White/Black 4 Yellow/Black Receive data Transmit data 5mA 3.6VCMOS 3VCMOS 3.1.4.2 Please see item 14, 15, 16 in Electric Characteristics and Parameter for detailed interface parameter 3.1.4.3 For question related to UART Protocol, please contact the manufacturer. 3.2 Communication Function 3.2.1. Direct Reading 3.2.1.1. Handheld unit direct reading 3.2.1.2. Routing 3.2.1.2.1 Handheld unit reading though 1 layer routing 3.2.1.2.2 Handheld unit reading though 2 layer routing 3.3 Valve Control Function 8 / 17 ShangHai Sunray Technology Co.,Ltd 3.3.1. Wireless Valve control 3.3.1.1 Remotely open/close valve When the modules received command of open/close valve, it first return acknowledgment signal, then conduct valve-control action. 3.3.2. Automatically open/close valve to prevent rust When the module is working in water meter, modules will turn on/off valve automatically once every 10 days in order to prevent the valve to get rusty. 3.3.3. Open/close valve during Magnetic attack 3.3.3.1. Double reed switch and double hall component meter When two reed switch (Hall) turn off at the same time (low output), module will report magnetic interference immediately and turn off the valve. The module will open automatically after the magnetic attacks disappeared for some time (depending on the setting). 3.3.3.2. Three Hall meter When A Hall and C Hall give out the low output at the same time, module will report magnetic interference immediately and turn off the valve. The module will open automatically after the magnetic attacks disappeared for some time. 3.4 Battery voltage detection function 9 / 17 ShangHai Sunray Technology Co.,Ltd 3.4.1.Power-on voltage detection Once cold start-up, module will detect battery voltage once (load 47 resisitance). Low voltage will be reported if battery voltage is below 3.15V 3.4.2. Voltage Detection while Continuous Working The module loads the 47 resistance to detect the battery voltage every 48 hours, and it will report low voltage when battery voltage is below 3.15V. At the same time, voltage data is updated 3.5 Alarm function 3.5.1. Low voltage Alarm Low voltage mark will be set once battery voltage is below 3.15V, while system will not actively upload the alarm information. 3.5.2. Alarm during magnetic attack When magnetic attack detection function of module is enabled, it will report magnetic interference during magnetic attach. The alarm information and also upload alarm information according to uploading enable status 3.5.3. Anti disassembling alarm When detecting function for disassembling is enabled, it will report disassembling during magnetic attach (detected continuous changes from four direction of sensor), and it will also upload alarm information according to uploading enable status 3.5.4. Valve failure alarm When drivers opening in place and closing in place are detected at the same time before valve control or after valve control, module will report failure in place and will not actively upload alarm information, 10 / 17 ShangHai Sunray Technology Co.,Ltd 4 Brief Introduction of Compatibility 4.1. Pulse Closing Time Requirements See relevant introduction in software functions for details. 4.2. Pulse Number Requirements Modules supportthree pulse modes. 1 pulse for 1 cubic meter 10 pulse for 1 cubic meter 100 pulse for 1 cubic meter. 4.3. Valve Requirements 4.3.1. Valve control driver connection mode NO Valve Type Wire Color Module & Pin Function Positive pole during opening valve Negative pole during opening valve Yellow Red
/Blackla ck Gray Opening in place Brown Closing in place Blue Red Yellow Red
/Black lack Controllable ground 3.6V power output Positive pole during opening valve Negative pole during opening valve Relative feature Signal Type Maximal driving Current 250mA Input Resistance 60M Input Resistance 60M 100mA(VSS+0.25
) Maximum Driving Current 250mA TTL TTL 1 2 3 4 5 Photoele ctric position valve Mechani cal position valve 11 / 17 ShangHai Sunray Technology Co.,Ltd No position signal valve Gray Brown Black Yellow Red
/Black Opening in place Closing in place Common Ground Positive pole during opening valve Negative pole during opening valve 3V Pull up 2K Resistance 3V Pull up 2K Resistance Maximum Driving Current 250mA switch value switch value 4.3.2. Valve control circuit parameters NO 1 2 3 Status Valve control time Valve control current Current when valve stuck Input low pulse time requirements Min Typ unitS unitmA unitmA 1.5S Max 24 250 250 4.3.3. Supported valve type NO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Type of valve in place Photoelectric in place Photoelectric in place Mechanic in place Mechanic in place None in position None in position Photoelectric in place Photoelectric in place Mechanic in place Mechanic in place None in position None in position None in position Valve Type Closing valve when Over current Yes No Yes No Yes No Yes No Yes No Yes No Yes Valve Type Ball valve Pilot valve Electromag Support Mode Support Support Support Support Support Support Support Support Support Support Support Support Support Support 12 / 17 ShangHai Sunray Technology Co.,Ltd 15 None in position No netic valve Support 5 Structure and Installation Size 5.1. Structure of the Module 5.2. Installation Size of the Module 13 / 17 ShangHai Sunray Technology Co.,Ltd 6. Communication Tools 6.1 . Handheld Unit See TP1100 User manual for details 6.2. WAMR NET SYSTEM See WAMR NET SYSTEM User manual for details 14 / 17 ShangHai Sunray Technology Co.,Ltd 7. Parameter setting 7.1. Brief Introduction of parameter setting software See WAMR NET SYSTEM User manual for details 7.2. Relative Terminology Explanation of Parameter Setting 7.2.1. Meter IDSet the meter IDMaximum 10 BCD Codee.g.1205130001 12 05 13 0001 Batch productionnumber of the day Date13 shows if its manufactured on 13th Month05 shows if its manufactured in May Year12 shows if its manufactured in 2012 Pulse number: corresponding pulse number for 1 m water , can choose among 1, 10, 100 7.2.2. 7.2.3. Magnetic interference time: Valve will be opened after the set magnetic interference time, the magnetic interference time is calculated when the magnetic interference disappeared, the unit is: second. Set range: 0-127 S default value is: 50 S 7.2.4. Usage: set the initial value of modules, namely, electronic number is the same with what mechanical dial shows. 7.2.5. Valve control time: set the 100 milliseconds as base for the action time, such as set 4S as the action time of valve for water meter module, a table should be filled in 20 (range: 0-127). The actual action time of valve is 2 S*2 = 4 S, the maximum valve control time can be set as 25.4 S.. 7.2.6. Meter type: Choose a meter type according to the application of module, 7.2.7. 7.2.8. this module is only applicable to water meter. Pulse type: Choose according to meter.type Threshold current: mA is the unit. Parameters data is the result that the actual value is devided by 2. For example, set threshold value as 120 mA, 60 shall be filled in, its range: 0-127, maximal threshold current that can be set is 254 mA 8. Certificates 15 / 17 ShangHai Sunray Technology Co.,Ltd 8.1. Pass CEROHSR&TTE Certificates 8.2. Conform to the IP68 Standard. 9. Trouble Shooting 9.1. Common Malfunction NO Problem Solution 1 Unable to read the meter 2 Unable to open/close the valve Cant close the valve after positioned(Large current consumption) Valve control not consistent with command 3 4 5 Unable to measure 6 Electrical and mechanical inconsistencies 7 Low reading rate 8 Abnormal Battery Pressure Check whether the ID of the meter is same to the one on label Check whether the ID of the meter is input correctly Check whether the cable of motor is conversely connected Common ground of in-position line is open or not(apply for photoelectric valve) Check whether the motor is stuck Check whether there is in-position line on valve Check whether the in-position line is reversely connected or not Check if the set threshold current exceed the range Motor cable is reversely connected Check whether the measure sensor type is correct Check whether module pulse number is consistent with the meters Check whether the measure sensor of meter failed Check whether the antenna of the module is abnormal Low battery Low battery Return to manufacturer 16 / 17 Notes Or if there is ID setting of the meter Check whether the battery type is correct ShangHai Sunray Technology Co.,Ltd 9.2. Installation Reference
A. The normal installation
(module antenna up and parallel), maximize the communication distance of the module B. Abnormal Installationnot good for the communication of the modules(shortens the communication distance). C. Abnormal Installationnot good for the communication of the modules, shortens the communication distance. 17 / 17 ShangHai Sunray Technology Co.,Ltd NOTE: This equipment 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 equipment 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 equipment 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. FCC ID number is not visible when the module is installed inside host(s), then the outside of the host must display a label Contains transmitter module FCC ID: RBC-8009G This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions:(1)This device may not canse harmful interference, and
(2)this device must accept any interference received,including interference that may cause undesired operation. Caution: The user is cautioned that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.