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M-7084 User Manual, Rev. A1.1 7PH-013-A11

Examples:

Command: $01P1

Response: ?01

Sets the communication protocol of module 01 to
Modbus RTU and returns an invalid response because
the module is not in INIT mode.

Command: $01P1

Response: !01

Sets the communication protocol of module 01 to
Modbus RTU and returns a valid response.

Related Commands:

Section 2.22 $AAP

Summary of Contents for M-7084

Page 1: ...f this product ICP DAS reserves the right to change this manual at any time without notification The information furnished by ICP DAS is believed to be accurate and reliable However no responsibility...

Page 2: ...ng 12 1 6 1 M 7084 Wiring 12 1 6 2 Wiring Recommendations 12 1 7 Quick Start 13 1 8 Default Settings 15 1 9 Configuration Tables 16 1 10 M 7000 Notes 20 1 10 1 Protocol Switching 20 1 10 2 INIT Mode 2...

Page 3: ...AABBVV 77 2 26 AAFA 79 2 27 AAFAVV 81 2 28 AAFH 83 2 29 AAFHVV 85 2 30 AAFT 87 2 31 AAFTVV 89 2 32 AAGN 91 2 33 AAGN Data 93 2 34 AASC 95 2 35 AASCVV 97 2 36 99 2 37 AA0 100 2 38 AA1 102 2 39 AA2 104...

Page 4: ...84 User Manual Rev A1 1 7PH 013 A11 4 A Appendix 124 A 1 INIT Mode 124 A 2 Dual Watchdog Operation 126 A 3 Frame Ground 127 A 4 Node Information Area 129 A 5 Reset Status 130 A 6 Frequency Measurement...

Page 5: ...mmable and transmission speeds of up to 115 2 Kbps can be selected The functionality of the M 7000 series is the same as the I 7000 series with the exception that the M 7000 series offers extended sup...

Page 6: ...guration 1 5 7000 Dimensions For details of INIT mode operation please refer to Section A 1 INIT Mode For details of module watchdog and host watchdog please refer to Section A 2 Dual Watchdog Operati...

Page 7: ...M 7084 User Manual Rev A1 1 7PH 013 A11 7 1 2 Terminal Assignment...

Page 8: ...y Contact Wet Sink Source NPN PNP Sink Types Counter Frequency Encoder Counter Encoder Bits 32 bit 4 294 967 295 On Voltage Level 3 5 VDC 30 VDC Off Voltage Level 1 VDC Max Programmable Digital Filter...

Page 9: ...solation Intra module Isolation Field to Logic 3000 VDC EMS Protection ESD IEC 61000 4 2 4 kV Contact for Each Terminal EFT IEC 61000 4 4 4 kV for Power Surge IEC 61000 4 5 3 kV for Power Line Power R...

Page 10: ...M 7084 User Manual Rev A1 1 7PH 013 A11 10 1 4 Block Diagram 1 4 1 Block Diagram for the M 7084...

Page 11: ...M 7084 User Manual Rev A1 1 7PH 013 A11 11 1 5 Dimensions Back View Top View Front View Side View Unit mm lnit Normal...

Page 12: ...ring Recommendations Use 26 12 AWG wire for signal connections Strip the wire to a length of 7 0 5mm Use a crimp terminal for wiring Avoid high voltage cables and power equipment as much as possible F...

Page 13: ...nge of 10 to 30 VDC 4 Configure the module by sending the AANNTTCCFF command and the AA7CNRVV command See Section 2 1 and 2 17 for details For M 7000 modules using the Modbus RTU protocol configure th...

Page 14: ...Please refer to the I 7000 Bus Converter User s Manual and Getting Started For I 7000 Series Modules manuals for more details The Getting Started For I 7000 Series Modules manual can be downloaded fr...

Page 15: ...M 7084 User Manual Rev A1 1 7PH 013 A11 15 1 8 Default Settings Default settings for the M 7084 modules are as follows Protocol Modbus RTU Module Address 01 Type Type 50 up counter Baud Rate 9600 bps...

Page 16: ...9600 07 19200 08 38400 09 57600 0A 115200 Data Data Format 0 eight data bits no parity and one stop bit 1 eight data bits no parity and two stop bit 2 eight data bits even parity and one stop bit 3 ei...

Page 17: ...ecimal point This data format is only for the frequency type 10 Hexadecimal CS Checksum setting 0 Disabled 1 Enabled RD Reserved Note The reserved bits should be zero Counter Type and Data Format Tabl...

Page 18: ...unter will be increased by one for every falling edge of InA0 and decreased by one for every falling edge of InB0 Pulse direction Counting The InB0 is used for direction counting When InB0 is high the...

Page 19: ...re Counting When InA0 is used as the A signal and InB0 is used as the B signal the counter will be increased by one when the InA0 phase leads by 90 degrees to InB0 and the counter will be decreased by...

Page 20: ...Switching To switch to the DCON protocol 1 Set Modbus register 00257 to 0 See Section 3 1 for details 2 After a power on reset the communication protocol will be changed to DCON To switch to the Modbu...

Page 21: ...for details and the communication settings are as follows 1 Address 00 2 Baud Rate 9600 bps 3 No checksum 4 Protocol DCON If communication with the module is not possible set the module to the INIT mo...

Page 22: ...available Each is made of stainless steel which is stronger than those made of aluminum There is a screw at one end and a ring terminal is included so that it can be easily connected to the earth gro...

Page 23: ...1 23 Part number Max number of modules Dimensions DRS 240 3 240mm x 35mm Part number Max number of modules Dimensions DRS 125 2 125mm x 35mm Note It is recommended that a 16 14 AWG wire is used to con...

Page 24: ...M 7084 User Manual Rev A1 1 7PH 013 A11 24 1 11 2 Piggyback Mounting...

Page 25: ...M 7084 User Manual Rev A1 1 7PH 013 A11 25 1 11 3 Wall Mounting...

Page 26: ...hed to the cover of the module 2 Firmware version See Sections 2 19 and 3 1 for information regarding the command used to identify the firmware version 3 Host configuration type and operating system 4...

Page 27: ...ommand All commands to the modules contain the ID address meaning that only the addressed module will respond The only exception to this is command Section 2 36 which is sent to all modules but the mo...

Page 28: ...by 0FFh Example Command string 012 CR 1 Sum of the string 0 1 2 24h 30h 31h 32h B7h 2 Therefore the checksum is B7h and so CHKSUM B7 3 The command string with the checksum 012B7 CR Response string 01...

Page 29: ...43 AARDVV AA Sets the Response Delay Time 2 44 AATnn AA Sets the Software INIT Timeout 2 45 Counter Frequency Command Sets Command Response Description Section AA Data Reads the Input Data of All Cha...

Page 30: ...ncy Mode Status 2 27 AAFH AAVV Reads the High Frequency Mode Status 2 28 AAFHVV AA Sets the High Frequency Mode Status 2 29 AAFT AAVV Reads the Frequency Measurement Timeout 2 30 AAFTVV AA Sets the Fr...

Page 31: ...to 00 for the M 7084 CC New Baud Rate code see Section 1 9 for details The INIT pin must be connected to ground in order to change Baud Rates For the module with frame ground this is achieved by movi...

Page 32: ...le in hexadecimal format 00 to FF There will be no response if the command syntax is incorrect there is a communication error or there is no module with the specified address Examples Command 01020006...

Page 33: ...and is received Changes to the Baud Rate and checksum settings take effect on the next power on reset 2 For the M 7084 changing the Baud Rate and checksum settings can be achieved using software only...

Page 34: ...imiter character for an invalid response Data Data from every input channels see Section 1 9 for the details of data format There will be no response if the command syntax is incorrect there is a comm...

Page 35: ...valid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response An invalid command is returned if the specified channel is incorrect Data Input data of...

Page 36: ...nse 00001234 Reads data from channel 2 of module 03 Command 029 Response 02 Reads data from channel 9 of module 02 An error is returned because channel 9 is invalid Related Commands Section 2 1 AANNTT...

Page 37: ...he channel to be read 0 7 Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the res...

Page 38: ...pass filter time should be the same for channel 0 and 1 When it is set to either one of the channel 0 or 1 both channels will be set to the same value 2 The low pass filter time should be the same fo...

Page 39: ...es the channel to be read 0 7 Data Low pass filter time is micro seconds consisting of 5 decimal digits in the range 00001 32767 Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR D...

Page 40: ...r time should be the same for channel 0 and 1 When it is set to either one of the channel 0 or 1 both channels will be set to the same value 2 The low pass filter time should be the same for channel 2...

Page 41: ...CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF TT Type code of the module should be 00 for M 7084 CC Baud Ra...

Page 42: ...084 User Manual Rev A1 1 7PH 013 A11 42 Examples Command 012 Response 01000600 Reads the configuration of module 01 Related Commands Section 2 1 AANNTTCCFF Related Topics Section 1 9 Configuration Tab...

Page 43: ...channel N Specifies the channel to be read 0 7 Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command...

Page 44: ...2 Response 01FFFFFFFF Reads the channel 2 maximum counter value of module 01 and the module responds with FFFFFFFF Related Commands Section 2 8 AA3N Data Note The maximum counter value is only availab...

Page 45: ...f a channel N Specifies the channel to be read 0 7 Data The maximum counter value in eight hexadecimal digits Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character...

Page 46: ...2F0000000 Response 01 Sets the channel 2 maximum counter value of module 01 to 0xF0000000 and returns a valid response Related Commands Section 2 7 AA3N Note The maximum counter value is only availabl...

Page 47: ...M CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to channel...

Page 48: ...mmand 014 Response 013A Reads the low pass filter enabled disabled status for module 01 and returns a response of 3A meaning that low pass filter for channels 1 3 4 and 5 are enabled and disabled for...

Page 49: ...channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it means that the low pass filter is enable for the channel and 0 means that the low pass filter is disabled for the channel Response Va...

Page 50: ...A1 1 7PH 013 A11 50 Examples Command 0143A Response 01 Enables the low pass filter of channels 1 3 4 and 5 and disables all other channels of module 01 The module returns a valid response Related Com...

Page 51: ...d command Delimiter character for an invalid command AA Address of the responding module 00 to FF S Reset status of the module 1 This is the first time the command has been sent since the module was p...

Page 52: ...ule 01 The response shows that it is the first time the AA5 command has been sent since the module was powered on Command 015 Response 010 Reads the reset status of module 01 The response shows that t...

Page 53: ...the bit is 1 it means that the channel is counting and 0 means that the channel is not counting Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid respo...

Page 54: ...le 01 The module returns a valid response Command 016 Response 013A Reads the counting status of module 01 and returns a response of 3A meaning that channels 1 3 4 and 5 are counting and all other cha...

Page 55: ...Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 cor...

Page 56: ...e 01 The module returns a valid response Command 016 Response 013A Reads the counting status of module 01 and returns a response of 3A meaning that channels 1 3 4 and 5 are counting and all other chan...

Page 57: ...mmand to clear the counter value N Specifies the channel to be cleared 0 7 Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character...

Page 58: ...ears the counter value of channel 1 of module 01 and the module returns a valid response Related Commands Section 2 15 AA7 Notes 1 The overflow status is cleared by the command too 2 The command is no...

Page 59: ...elimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to channel 0 bit...

Page 60: ...no module with the specified address Examples Command 017 Response 013A Reads the counter overflow status for module 01 and returns a response of 3A meaning that counters of channels 1 3 4 and 5 are o...

Page 61: ...e where bit 0 corresponds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it means that the counter overflow status of the channel should be cleared Response Valid Command AAVV CHKSU...

Page 62: ...nd 0173A Response 01 Clears the counter overflow status of channels 1 3 4 and 5 for module 01 and returns a valid response Related Commands Section 2 15 AA7 Note The command is not available to the ch...

Page 63: ...nel to be set 0 7 RVV VV represents the type code of the channel to be set Refer to the Analog Input Type Setting table in Section 1 9 for details Response Valid Response AA CHKSUM CR Invalid Response...

Page 64: ...sponse Command 037C1R30 Response 03 Sets the type code for channel 1 of module 03 to be 30 The module returns an invalid response because the type code is invalid Related Commands Section 2 18 AA8CN R...

Page 65: ...ess for the type code information N 0 7 Response Valid Response AACNRVV CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response or...

Page 66: ...is incorrect there is a communication error or there is no module with the specified address Examples Command 018C0 Response 01C0R50 Reads the channel 0 input range of module 01 and returns 50 up coun...

Page 67: ...racter for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF Data Firmware version string of the module There will be no response if the command s...

Page 68: ...S CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF S INIT status 0 the INIT pin...

Page 69: ...M 7084 User Manual Rev A1 1 7PH 013 A11 69 Examples Command 01I Response 010 Reads the INIT status of module 01 and the module responds with 0 meaning that the INIT pin is shorted to GND...

Page 70: ...command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF Name Name string of the module There will be no re...

Page 71: ...nse Delimiter character for an invalid response AA Address of the responding module 00 to FF S The protocols supported by the module 0 only DCON protocol is supported 1 both the DCON and Modbus RTU pr...

Page 72: ...1P Response 0110 Reads the communication protocol of module 01 and returns a response of 10 meaning that it supports both the DCON and Modbus RTU protocols and the protocol that will be used at the ne...

Page 73: ...mmand the rear slide switch must be in the INIT position The new protocol is saved in the EEPROM and will be effective after the next power on reset Response Valid Response AASC CHKSUM CR Invalid Resp...

Page 74: ...Sets the communication protocol of module 01 to Modbus RTU and returns an invalid response because the module is not in INIT mode Command 01P1 Response 01 Sets the communication protocol of module 01...

Page 75: ...limiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to channel 0 bit...

Page 76: ...counter status for module 01 and returns a response of 3A meaning that battery backup counter for channels 1 3 4 and 5 are enabled and disabled for all other channels Related Commands Section 2 25 AAB...

Page 77: ...nds to channel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it means that the battery backup counter is enabled for the channel and 0 means that the battery backup counter is disabled for th...

Page 78: ...esponse 01 Sets the battery backup counter function of channels 1 3 4 and 5 for module 01 to be enabled and returns a valid response Related Commands Section 2 24 AABB Note The command is not availabl...

Page 79: ...limiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to channel 0 bit...

Page 80: ...01 and returns a response of 3A meaning that automatic frequency mode for channels 1 3 4 and 5 are enabled and disabled for all other channels Related Commands Section 2 27 AAFAVV Related Topics Sect...

Page 81: ...annel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it means that the automatic frequency mode is enabled for the channel and 0 means that the automatic frequency mode is disabled for the cha...

Page 82: ...es the automatic frequency mode of channels 1 3 4 and 5 for module 01 and returns a valid response Related Commands Section 2 26 AAFA Related Topics Section A 6 Frequency Measurement Note The command...

Page 83: ...limiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to channel 0 bit...

Page 84: ...1 and returns a response of 3A meaning that battery backup counter for channels 1 3 4 and 5 are enabled and disabled for all other channels Related Commands Section 2 29 AAFHVV Related Topics Section...

Page 85: ...l 0 bit 1 corresponds to channel 1 etc When the bit is 1 it means that the high frequency mode is enabled for the channel and 0 means that the high frequency mode is disabled for the channel Response...

Page 86: ...bles the high frequency mode of channels 1 3 4 and 5 for module 01 and returns a valid response Related Commands Section 2 28 AAFH Related Topics Section A 6 Frequency Measurement Note The command is...

Page 87: ...Valid Command AAVV CHKSUM CR Invalid Command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV Two hexade...

Page 88: ...hat frequency measurement timeout value is 1 second Related Commands Section 2 31 AAFTVV Related Topics Section A 6 Frequency Measurement Note 1 The command is only available to the channels that are...

Page 89: ...wo hexadecimal digits to represent the timeout value in tenths of a second for example 01 denotes 0 1 seconds and FF denotes 25 5 seconds Response Valid Command AA CHKSUM CR Invalid Command AA CHKSUM...

Page 90: ...nd returns a valid response Related Commands Section 2 30 AAFT Related Topics Section A 6 Frequency Measurement Note 1 The command is only available to the channels that are set to type code 51 freque...

Page 91: ...channel N Specifies the channel to be read 0 7 Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command...

Page 92: ...2 Response 0100000000 Reads the channel 2 maximum counter value of module 01 and the module responds with 00000000 Related Commands Section 2 33 AAGN Data Note The preset counter value is only availab...

Page 93: ...f a channel N Specifies the channel to be read 0 7 Data The preset counter value in eight hexadecimal digits Response Valid command AA Data CHKSUM CR Invalid command AA CHKSUM CR Delimiter character f...

Page 94: ...G2F0000000 Response 01 Sets the channel 2 preset counter value of module 01 to 0xF0000000 and returns a valid response Related Commands Section 2 32 AAGN Note The preset counter value is only availabl...

Page 95: ...limiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV A two digit hexadecimal value where bit 0 corresponds to channel 0 bit...

Page 96: ...erflow status for module 01 and returns a response of 3A meaning that stop counting on overflow for channels 1 3 4 and 5 are enabled and disabled for all other channels Related Commands Section 2 35 A...

Page 97: ...nel 0 bit 1 corresponds to channel 1 etc When the bit is 1 it means that the stop counting on overflow is enabled for the channel and 0 means that the stop counting on overflow is disabled for the cha...

Page 98: ...1SC3A Response 01 Enables the stop counting on overflow of channels 1 3 4 and 5 for module 01 and returns a valid response Related Commands Section 2 34 AASC Note The command is only available to the...

Page 99: ...ost is OK Syntax CHKSUM CR Delimiter character Host OK command Response No response Examples Command No response Sends a Host OK command to all modules Related Commands Section 2 37 AA0 Section 2 38 A...

Page 100: ...r character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF SS Two hexadecimal digits that represent the host watchdog status where Bit 7 0...

Page 101: ...00 Reads the host watchdog status of module 01 and returns 00 meaning that the host watchdog is disabled and no host watchdog timeout has occurred Command 020 Response 0204 Reads the host watchdog sta...

Page 102: ...00 to FF 1 Command to reset the host watchdog timeout status Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid...

Page 103: ...urred Command 011 Response 01 Resets the host watchdog timeout status of module 01 and returns a valid response Command 010 Response 0100 Reads the host watchdog status of module 01 and shows that no...

Page 104: ...command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF E 1 the host watchdog is enabled 0 the host watchd...

Page 105: ...host watchdog timeout value of module 01 and returns FF which denotes that the host watchdog is enabled and the host watchdog timeout value is 25 5 seconds Related Commands Section 2 36 Section 2 37 A...

Page 106: ...g 0 disable the host watchdog VV Two hexadecimal digits to represent the timeout value in tenths of a second for example 01 denotes 0 1 seconds and FF denotes 25 5 seconds Response Valid command AA CH...

Page 107: ...s the host watchdog timeout value of module 01 The module returns 164 which denotes that the host watchdog is enabled and the host watchdog timeout value is 10 0 seconds Related Commands Section 2 36...

Page 108: ...Response Valid Response AA CHKSUM CR Invalid Response AA CHKSUM CR Delimiter character for a valid response Delimiter character for an invalid response AA Address of the responding module 00 to FF Th...

Page 109: ...M 7084 User Manual Rev A1 1 7PH 013 A11 109 Related Topics Section A 1 INIT Mode Note The AATnn command should be sent prior to sending this command see Section 2 45 for details...

Page 110: ...set the module name Name New name of the module max 6 characters Response Valid command AA CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an inv...

Page 111: ...3 A11 111 Examples Command 01O7084N Response 01 Sets the name of module 01 to be 7084N and returns a valid response Command 01M Response 017084N Reads the name of module 01 and returns the name 7084N...

Page 112: ...VV CHKSUM CR Invalid command AA CHKSUM CR Delimiter character for a valid command Delimiter character for an invalid command AA Address of the responding module 00 to FF VV Two hexadecimal digits to r...

Page 113: ...Rev A1 1 7PH 013 A11 113 Examples Command 01RD Response 0102 Reads the response delay time value of module 01 and returns 02 which denotes that the response delay time value is 2ms Related Commands S...

Page 114: ...o represent the response delay time value in milli second for example 01 denotes 1ms and 1E denotes 30s The max allowable value is 30 1Eh Response Valid command AA CHKSUM CR Invalid command AA CHKSUM...

Page 115: ...nse 01 Sets the response delay time value to 6ms The module returns a valid response Command 01RD Response 0106 Reads the response delay time value of module 01 The module returns 06 which denotes tha...

Page 116: ...ting the time out value in seconds The max time out value is 60 seconds When changing the Baud Rate or checksum settings without altering the INIT pin the AAI and AANNTTCCFF commands should be sent co...

Page 117: ...01 Sets the soft INIT of module 01 and returns a valid response Command 0101000700 Response 01 Attempts to change the Baud Rate of module 01 to 19200 without first altering the INIT pin The module re...

Page 118: ...118 Related Commands Section 2 1 AANNTTCCFF Section 2 41 AAI Related Topics Section A 1 INIT Mode Note It is recommended that the soft INIT time out value is reset to 0 once any changes to Baud Rate a...

Page 119: ...ity data bits and stop bits can be set as N81 N82 E81 and O81 The following Modbus functions are supported Function code Description 01 0x01 Read coils 02 0x02 Read discrete inputs 03 0x03 Read multip...

Page 120: ...1 32767 R W 40164 Low pass filter time for channel 4 to 7 in us 1 32767 R W 40257 40264 Type code of channel 0 to 7 R W 40481 Firmware version low word R 40482 Firmware version high word R 40483 Modu...

Page 121: ...tch dog timeout status write 1 to clear host watch dog timeout status R W 00273 Reset status 1 first read after powered on 0 not the first read after powered on R 00513 00520 Write 1 to clear counter...

Page 122: ...bleshooting If you are having difficulty using the I 7000 or M 7000 module here are some suggestions that may help If you cannot find the answers you need in these guides contact ICP DAS Product Suppo...

Page 123: ...her the module has received a command sent from the host If possible use another device to check whether the host can communicate with the device through the same RS 485 network If the host is a PC in...

Page 124: ...s unknown To help avoid this problem the I 7000 and M 7000 series has a special mode called INIT mode When the module is powered on in INIT mode the configuration of the module is reset as follows all...

Page 125: ...connecting the INIT terminal to the GND terminal New I 7000 and M 7000 modules have the INIT switch located on the rear side of the module to allow easier access to the INIT mode For these modules IN...

Page 126: ...on that monitors the operating status of the host Its purpose is to prevent problems due to network communication errors or host malfunctions When a host watchdog timeout occurs the module will reset...

Page 127: ...ssing ESD allowing enhanced static protection ESD capability and ensures that the module is more reliable Either of the following options will provide a better protection for the module 1 If the modul...

Page 128: ...an easily be connected to the earth ground Each is made of stainless steel which is stronger than those made of aluminum There is a screw at one end and a ring terminal is included as shown in the fig...

Page 129: ...tc One minor drawback is that there are no visual indications of the configuration of the module New I 7000 and M 7000 modules include node information areas that are protected by a cover as shown bel...

Page 130: ...t AA5 command This can be used to check whether the module had been reset When the AA5 command responds that the reset status is cleared that means the module has not been reset since the last AA5 com...

Page 131: ...84 provides the high frequency measurement mode by counting 11 signal periods instead of only one period to increase resolution The high frequency measurement mode can be enabled by AAFHVV command Ref...

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