HER070 prototypes user manual-1
Contents
1. maestro empowering wireless HER070 Add on box with 4 analog inputs 4 digital outputs and 4 digital pulse counting inputs WORKING PROTOTYPE USER MANUAL Rev 0 1 Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited empowering wireless REVISION HISTORY 0 1 19 Jan 2010 First release Pierre Emmanuel Surga This manual is written without any warranty Maestro Wireless Solutions Ltd reserves the right to modify or improve the product and its accessories which can also be withdrawn without prior notice Besides our company stresses the fact that the performance of the product as well as accessories depends not only on the proper conditions of use but also on the environment around the places of use Maestro Wireless Solutions Ltd assumes no liability for damage incurred directly or indirectly from errors omissions or discrepancies between the modem and the manual Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited tro empowering wireless TABLE OF CONTENTS REVISION Fh afl c a 2 eee tne nS ern ee een nea eee ee 2 TABLE OF CONTENT ensistans NN 3 SAFETY PRECAUT IONS eeeeseessssrissressressrissrressressresssreseressriessressrissrressreese 4 E PA AEE A E E E E EE S EE A E E 4 W Sse E E E E E E E yey 4 CHAPTER 12 Introduction scacecsostaisodicwssaeasactsseoesieencteste onedeawssacasastr2. 1 AT ADC Prior to sending these commands you need to configure GPIO28 and GPIO29 as outputs This is done with the following commands AT WIOM 1 GPIO28 1 AT WIOM 1 GPIO29 1 The analog inputs can be read by openAT applications in a similar manner Be careful to take the switching delay of the GPIO into account when you select a channel to read 2 Reading the pulse inputs The HERO7O uses a dedicated FPGA based pulse counter circuit to count the four pulse input channels This pulse counter communicates with the HERO10 using the UART2 bus of the wireless microprocessor HERO10 UART2 4 channels Pulse counter Pulse Pulse Pulse Pulse Input 1 Input 2 Input 3 Input 4 To read the values of the different pulse channels you can rely on the Softools functions that drive the HERO 7O To enable the HERO7O as the current add on board Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited Stre empowering wireless AT HPLUGIN 5 To reset the value of a particular pulse channel to zero AT CNTRESET x where x 1 2 3 or 4 To reset the four pulses counters AT CNTRESET To read the values of the pulses counters AT CNTREAD Expected reply CNTREAD lt ch1 gt lt ch2 gt lt ch3 gt lt ch4 gt lt dil gt lt di2 gt lt di3 gt lt di4 gt lt chi gt channel 1 counter value lt chi gt channel 2 counter value lt chi gt channel 3 count
3. 16 bits counters Isolated Transistor output x4 for driving relays Output port 60V DC Max Current carrying Capacity 100mA max continuous Analog 0 10V inputs 0 20mMA 1 5 maximum lt 1 typical 1635 steps Operating Temperature 40 to 85 deg C Storage Temperature 40 to 85 deg C Weight 75g Overall Dimension 100 L x75 W x28 H mm Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited maestro empowering wireless CHAPTER 3 Install HEROZO on the Main Unit 1 Remove the dust cover on Main Unit HERO10 This will expose the mounting slot the connector pins can be seen inside the slot 2 Plug in the add on Align the connector end of HERO7O and slide it into the mounting slot The ribs on the connector end guide the sliding action Push until the connector goes all the way in The action is normally very smooth Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited maestro y empowering wireless 3 Fasten screws Use the 2 screws sized M2x6 and 2 spring washers supplied together with HERO7O to secure the two units in position P AUNAN UA NUL LI O96ZO00ZOGEZZSE wwoss AZE S90 unex E m B C 5 so a 4 Fasten screws when using DIN Rail Clip Use the 2 screws sized M2x10 and 2 spring washers supplied together with DIN Rail Clip to secure the two units
4. Do not attempt to unplug the product from the Main Unit when the latter is being supplied power Do not attempt to disassemble modify or repair the product Any attempt to do so may result in malfunction or fire Provide safety measures in external circuit to ensure safety in the system in case of abnormality occurs due to malfunction of the product or another external factor affecting the product s operation Safety measures include but not limited to Emergency stop circuits interlock circuits and limit circuits The digital outputs may remain ON or OFF in case the OptoRelay is damaged As a counter measure for such problem external safety measures must be provided to ensure safety in the system see application note at the end of this document for details Construct a control circuit so that the power supply for the I O circuits does not come ON before power supply for the Heritage Main Unit If there is risk of high voltage surge appearing on I O circuits then use a different power supply for the I O circuits from the one for the Heritage Main Unit The two power supplies will need to be isolated Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited tro empowering wireless CHAPTER 1 Introduction HERO7O is an optional add on box to the Maestro Heritage Main Unit ordering code HERO10 that adds various inputs and outputs interfaces dedicated for remote metering and data ac
5. load the board to HERO7O protect against flyback voltage so there is no need to add an external one Use a relay power Supply that is isolated from the HERO10 power Supply Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited tro empowering wireless 2 Input Wiring Circuit examples A HER070 When connecting an inductive load to an input 2 i A leakage Pp current can r si cause false cates a ON inputs os j This could happen when using sensors that have a small leakage in OFF state 3 The input port Voltage driving is switched ON when a DC voltage between 5V to 32V is applied the input ports must be DC Make sure the polarity is correct and voltage does not exceed 32V Use a power Supply that is isolated from the HERO10O power supply To prevent a false ON input insert a bleeder resistor in the circuit to reduce the input impedance Connect a diode e g 1N4007 in parallel with the load as shown to prevent flyback voltage from damaging the input port Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited maestro X empowering wireless Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited 19
6. agoetesnnceertabuedenwosevasneds 5 1 Overview Of HERO40 uu cee cccscccsssecesssccssssecesssesessseseeeensees 5 CHAPTER 2 Specifications occ cccccssescsssssesessessessesssseseesseeesens 7 CHAPTER 3 Install HERO7ZO on the Main Unit 8 1 Remove the dust cover on Main Unit HERO10 a 8 2 PMA WA Ne ada ON serere enn E E TE EA E 8 3 Fasten cl Senne Pe ere 9 4 Fasten screws when using DIN Rail Clip o oo 9 5 Install the SIM Card ccc ccecccccsscccssssecsessscsssssseessssesssssseessseeeens 10 6 Connect the external antenna SMA type 10 7 Connect the main unit to computer optional 10 8 Connect the add on board I O interfaces 11 9 Connect the DC power supply sssssssssssesssssssssssressssrresssrrrssssrrssssrres 11 CHAPTER 4 USING THE HERO70 ADD ON BOARD 1 cece eeeeeee 13 CHAPTER 5 WIRING OF INPUTS OUTPUTS ee eeecccccccseeeeeecsseeeeees 17 L DDR ALO UE OU Wy MAC cin s cissstess sean sedcssaucasnsssuamadsaatusetavaiad darcbcsatagsuadadassaseetavsiedte 17 2a NAN Wy UN e a E dauaeee ceatareeads 18 Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited TA AN fe empowering wireless SAFETY PRECAUTIONS General The user must operate the product according to the specifications described in this User Manual Make sure the ratings and performance characteristics of the product are sufficient for the systems machines and equipment Warnings
7. er value lt chi gt channel 4 counter value lt dil gt channel 1 current value O if low 1 if high lt di2 gt channel 2 current value O if low 2 if high lt di3 gt channel 3 current value O if low 4 if high lt di4 gt channel 4 current value 0 if low 8 if high It is also possible to read the counters directly in openAT You need to setup the UART2 as 115200bps 8N1 and no flow control Then send ASCII characters 1 0x31 to 4 0x34 to reset the counters 1 to 4 Send ASCII character 5 0x35 to read the values of the counters The FPGA will reply a message in the following format 0x31 OxAA OxAA 0x32 OxBB 0xBB 0x33 OxCC 0xCC 0x34 0xDD OxDD 0x35 OxEE 0x0A 0x0D Where OxAA OxAA is the hex value of the 16 bits counter for channel 1 OxBB OxBB is the hex value of the 16 bits counter for channel 2 OxCC OxCC is the hex value of the 16 bits counter for channel 3 OxDD OxDD is the hex value of the 16 bits counter for channel 4 OxEE is a byte determining the values of the digital inputs input 1 only is high input 2 only is high input 3 only is high input 4 only is high input 2 and 3 are high the others are low input 1 and input 2 and input 3 are high input 4 is low Leas MN OMAN FR The FPGA does not save the counter values between power loss or resets of the modem The host application must take care of saving these values for example in the non volatile memory of the HERO10 Or on a rem
8. in position The screw threads are to go through 2 mounting holes on the Clip before fastening the two units ere sa e e a A Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited empowering wireless 5 Install the SIM card please refer to HERO1O Manual for more details Use a ball pen or paper clip to press the SIM holder eject button The SIM holder will come out a little Then take out the SIM holder Note DO NOT pull out the SIM holder without pushing the ejector Put the SIM card to the tray make sure it has completely sat on the tray Put the tray back into the slot 6 Connect the external antenna SMA type please refer to HERO1O Manual for more details Connect this to an external antenna with SMA male connector Make sure the antenna is for the GSM 900 1800 or GSM 850 1900 frequency with impedance of 500hm and that the connector is secured tightly Note Please use antenna designed for GSM 900 1800 or GSM 850 1900 MHz operation Incorrect antenna will affect communication and even damage the modem Say i SMA male connector of antenna cable yn i H rc Pp ig i Secure tightly P3 7 Connect the main unit to computer optional please refer to HER010 Manual for more details If you need to configure or diagnostic the Heritage main unit you can use the RS232 cable to co
9. ing wireless Input voltage range 5V 32V Rated current 500 mA AC DC Adaptor or battery pS 1 ai E a l foo lol Bt o lt a oo aS A Ao Solder wire Connect the connector to the modem The modem will turn on automatically The status indicator on the modem will be lit when power on After a few seconds it will go flashing slowly Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited 12 maestro y empowering wireless CHAPTER 4 USING THE HER070 ADD ON BOARD 1 Reading the analog inputs The HER070 uses a multiplexer that carries all the four analog inputs to the ADC interface of its microprocessor The multiplexer channel is selected by the GPIO28 and GPIO29 signals of the microprocessor Channel ID The multiplexer follows the following assignment table GPIO28 GPIO29 Analog channel The analog channels can be read by AT commands local or remote AT commands by typing the following For the analog input 1 AT WIOW GPIO28 0 AT WIOW GPIO29 0 AT ADC For the analog input 21 AT WIOW GPIO28 1 AT WIOW GPIO29 0 Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited 13 tro empowering wireless AT ADC For the analog input 3 AT WIOW GPIO28 0 AT WIOW GPIO29 1 AT ADC For the analog input 4 AT WIOW GPIO28 1 AT WIOW GPIO29
10. nnect the modem s Sub D connector to an external computer Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited empowering wireless Connection example using RS232 cable lt a s o s o HA lt M Fo 1 i p O an T lt E Heritage DB 9 male DB 9 RS 232 Port of PC 8 Connect the add on board I O interfaces Use a screwdriver to secure the wires to the terminal blocks Make sure you follow the correct pin out assignment es gge gE ge 0 o Ww o W O Ww gt gt gt E J5 i Z E 82 E 88 gt amp Ww ND NS ak ab ro ae 1 r y a F 2 gt Analog input 1 E i gt me ____ mi Digital output 1 Analog input 1 sili Digital output 1 Analog input 2 1 ere Analog input 2 I 1 Digital output 2 ma y Digital output 2 Analog input 3 _ pe Analog input 3 Digital output 3 Digital output 3 Analog input 4 Arr ay eo Analog input 4 1 ees TT Digital output 4 2s gt e Digital output 4 Refer to the notes at the end of this document for application schematics 9 Connect the DC power supply please refer to HERO10O Manual for more details Connect the open ending of the inducted power cord to a DC supply Refer to the following for power supply requirement Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited 11 t empower
11. ote server in order to avoid losing metering data 3 Setting the digital outputs Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited 15 t empowering wireless The digital outputs of the HER070 are directly mapped to GPIO35 GPIO34 GPIO30 and GPIO31 signals of the HERO10 microcontroller as described in the following table Microcontroller Digital Signal output GPIO35 GPIO34 GPIO30 GPIO31 The GPIO signals must first be set as outputs AT WIOM 1 GPIO35 0 AT WIOM 1 GPIO34 0 AT WIOM 1 GPIO30 0 AT WIOM 1 GPIO31 0 Then you can set the outputs with the following commands AT WIOW GPIO35 0 set output 1 to 0 AT WIOW GPIO35 1 set output 1 to 1 AT WIOW GPIO34 0 set output 2 to 0 AT WIOW GPIO34 1 set output 2 to 1 AT WIOW GPIO30 0 set output 3 to 0 AT WIOW GPIO30 1 set output 3 to 1 AT WIOW GPIO31 0 set output 4 to 0 AT WIOW GPIO31 1 set output 4 to 1 The digital outputs can be set from an openAT application in a similar manner Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited 16 tro empowering wireless CHAPTER 5 WIRING OF INPUTS OUTPUTS 1 Digital output Wiring Circuit examples Characteristics Caution 1 Use DC type Relay is mechanical relay inductive to extend the There is output circuit for already a driving heavier diode inside
12. quisition applications The HERO7O features four opto isolated digital outputs four O 10V or 0 20mA analog inputs and four opto isolated digital inputs that can be used as high speed pulse counting channels The HERO7O can be driven by AT commands sent on the HERO10 s interfaces serial port SMS or GPRS To use the pulse counting digital input feature of the HERO7O you need to have the Heritage Softools rev 0 92ea beta version or more recent loaded in the HERO10 This user manual concerns the HERO7Z7O working prototypes whose serial number range from 30000001 to 30000030 If your HERO7O bears another serial number please ask your Maestro representative for a updated manual 1 Overview of HERO40O Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited t empowering wireless A Expansion connector to main unit B Analog inputs connectors C Digital outputs connectors D Digital pulse counting inputs connectors Confidential the whole present document is the sole property of Maestro Wireless Solutions Limited tro empowering wireless CHAPTER 2 Specifications Item Enclosure PC ABS plastic UL 94V0 flammability Type Opto Coupler x 4 Digital 5Vdc min 32Vdc max Input ON voltage OFF voltage OVdc min 1 0Vdc max Pulse counting Up to TBD pulses per second A pulse is a rising edge followed by a high level maintained for at least 800us
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