ICP DAS USA tET Series User Manual Download Page 4

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Ethernet I/O Modules

ICP DAS CO., LTD.

PETL/tET/tPET DIO Series User Manual, Ver. 2.1, Sep. 2014, Page: 4

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Summary of Contents for tET Series

Page 1: ...sumed by ICP DAS for its use nor for any infringements of patents or other rights of third parties resulting from its use COPYRIGHT Copyright 2013 by ICP DAS All rights are reserved TRADEMARK Names ar...

Page 2: ...R1 tPET PD2R1 29 2 3 6 tET P2C2 tPET P2C2 tET P2A2 tPET P2A2 30 2 3 7 PETL 7060 31 2 4 WIRING CONNECTIONS 32 2 4 1 Input Wiring 32 2 4 2 Output Wiring 33 2 5 DIMENSIONS 35 3 GETTING STARTED 37 3 1 MOU...

Page 3: ...Multiple Coils Write DOs 92 6 2 8 16 0x10 Preset Multiple Registers Write AOs 94 6 3 MODBUS REGISTER TABLE 96 6 3 1 Common Functions 96 6 3 2 Specific Functions 98 7 RELATED TOOLS 103 7 1 LABVIEW 103...

Page 4: ...Ethernet I O Modules ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 4 7 495 109 02 08 sales bbrc ru www bbrc ru...

Page 5: ...d through a 10 100 M Ethernet network using the Modbus TCP UDP protocol Modbus has become a de facto standard communications and is now the most commonly available means of connecting industrial elect...

Page 6: ...put tET C4 Tiny Ethernet module with 4 channel digital output NPN Sink tET A4 Tiny Ethernet module with 4 channel digital output PNP Source tPET C4 Tiny Ethernet module with PoE and 4 channel digital...

Page 7: ...ernet module with 6 channel digital input Wet Contact and 6 channel Form A power relay output PhotoMOS Relay Output tET P2POR2 Tiny Ethernet module with 2 channel digital input Wet Contact and 2 chann...

Page 8: ...channel Sink tET P2A2 tPET P2A2 2 channel Wet Contact 2 channel Source tET P2POR2 tPET P2POR2 2 channel Wet Contact 2 channel Form A PhotoMos Relay tET PD2POR2 tPET PD2POR2 2 channel Dry Contact 2 ch...

Page 9: ...ply using a web browser meaning that remote control of your modules is as easy as surfing the Internet In addition tET tPET and PETL 7060 series modules support the Modbus TCP UDP protocols ensuring p...

Page 10: ...ndicate an LED that indicates whether the power is being supplied by the PoE switch or not tPET PETL 7060 PET 7000 CPU 32 bit ARM 80186 Ethernet 10 100 M PoE Modbus TCP UDP Yes Web Configuration Yes W...

Page 11: ...ne Module A variety of I O components are available on multiple channels in a single module which provides the most cost effective I O usage and enhances the performance of I O operations Automatic MD...

Page 12: ...es provide commands to read the status of any digital input channels that are latched high or latched low The following is an example that shows the usefulness of the latched digital input If we wish...

Page 13: ...chdog timeout the Host Watchdog will set the digital output based on a predefined safe value I O Pair Connection The I O Pair connection function is used to create a digital input to digital output pa...

Page 14: ...f the components included in PETL tET tPET series modules 1 Ethernet Port 4 System LED Indicator 2 J1 Connector 5 J2 Connector 3 Operating Mode Switch 6 Robust insulated and fire retardant case PETL 7...

Page 15: ...only 2 J1 Connector The type of J1 connector used depends on the type of PETL tET tPET series module For more detailed information regarding the pin assignments for the J1 Connector please refer to S...

Page 16: ...le is more reliable The frame ground F G of the tET tPET series as follows The frame ground F G of the PETL 7060 as follows The PETL 7060 controller has a metallic board attached to the back of the pl...

Page 17: ...itch for PETL tET tPET series modules is set to the Run Normal position by default When updating the PETL tET tPET firmware the switch should be moved from the Run Normal position to the Init position...

Page 18: ...ON Ethernet link detected OFF No Ethernet link detected Flashing Ethernet packet received L3 10 100M Yellow OFF the speed is 10 Mbps ON the speed is 100 Mbps PoE Supply power ON Green The PoE LED Gree...

Page 19: ...een L2 Red 10 100 M Indicator E1 Yellow L3 Yellow Mechanical Dimensions W x H x D mm 52 x 27 x 98 123 x 72 x 35 Installation DIN Rail mounting DIN Rail or Wall mounting Environment Operating Temperatu...

Page 20: ...out filter Overvoltage Protection 70 VDC Isolation 3750 Vrms Effective Distance 500 M Max 2 2 2 2 tET C4 tPET C4 tET A4 tPET A4 Models tET C4 tPET C4 tET A4 tPET A4 Digital Output Output Channels 4 Ou...

Page 21: ...cy Measurement 3 5 kHz without filter Overvoltage Protection 70 VDC Isolation 3750 Vrms Digital Output Output Channels 2 Output Type Module Sink Open Collector NPN Source Open Collector PNP Output Vol...

Page 22: ...tput Output Channels 2 Output Type Module PhotoMOS Relay Form A Load Voltage 60 VDC VAC Load Current 60 V 1 0 A Operating Temperature 25 C 40 C 60 V 0 8 A Operating Temperature 40 C 60 C 60 V 0 7 A Op...

Page 23: ...tput Voltage Range 250 VAC 30 VDC Max Load Current 5 0 A channel Operate Time 6 ms Release Time 3 ms PWM 50 Hz max The High Low duty cycle range 10 65 535 ms Electrical Life Resistive load VED 5 A 250...

Page 24: ...Operate Time 6 ms Release Time 3 ms PWM 50 Hz max The High Low duty cycle range 10 65 535 ms Electrical Life Resistive load VED 5 A 250 VAC 30 000 ops 10 ops minute at 75 C 5 A 30 VDC 70 000 ops 10 o...

Page 25: ...I O Address Mapping Counter Address Mapping 2 3 Pin Assignments 2 3 1 tET P6 tPET P6 tET PD6 tPET PD6 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 25 7 495 109 02 08 sales...

Page 26: ...Ethernet I O Modules I O Address Mapping 2 3 2 tET C4 tPET C4 tET A4 tPET A4 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 26 7 495 109 02 08 sales bbrc ru www bbrc ru...

Page 27: ...ules I O Address Mapping Counter Address Mapping 2 3 3 tET P2POR2 tPET P2POR2 tET P2R2 tPET P2R2 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 27 7 495 109 02 08 sales bbrc...

Page 28: ...t I O Modules I O Address Mapping Counter Address Mapping 2 3 4 tET PD2POR2 tPET PD2POR2 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 28 7 495 109 02 08 sales bbrc ru www...

Page 29: ...net I O Modules I O Address Mapping Counter Address Mapping 2 3 5 tET PD2R1 tPET PD2R1 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 29 7 495 109 02 08 sales bbrc ru www bb...

Page 30: ...odules I O Address Mapping Counter Address Mapping 2 3 6 tET P2C2 tPET P2C2 tET P2A2 tPET P2A2 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 30 7 495 109 02 08 sales bbrc r...

Page 31: ...Ethernet I O Modules Counter Address Mapping I O Address Mapping 2 3 7 PETL 7060 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 31 7 495 109 02 08 sales bbrc ru www bbrc ru...

Page 32: ...P6 tET P2C2 tPET P2C2 tET P2A2 tPET P2A2 tET P2POR2 tPET P2POR2 tET P2R2 tPET P2R2 PETL 7060 tET PD6 tPET PD6 tET PD2POR2 tPET PD2POR2 tET PD2R1 tPET PD2R1 ICP DAS CO LTD PETL tET tPET DIO Series User...

Page 33: ...odules 2 4 2 Output Wiring tET C4 tPET C4 tET P2C2 tPET P2C2 tET A4 tPET A4 tET P2A2 tPET P2A2 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 33 7 495 109 02 08 sales bbrc r...

Page 34: ...s tET P2R2 tPET P2R2 tET PD2R1 tPET PD2R1 PETL 7060 tET P2POR2 tPET P2POR2 tET PD2POR2 tPET PD2POR2 ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 34 7 495 109 02 08 sales b...

Page 35: ...L 7060 dimensions are in millimeters Side View Front View Rear View Din Rail Mounting Bracket Side View Top View Bottom View ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 3...

Page 36: ...ET series dimensions are in millimeters Front View Rear View Left Side View Right Side View Top View Bottom View ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 36 7 495 109...

Page 37: ...to another module DIN Rail Mounting The PETL tET tPET series modules include simple rail clips on the bottom of the chassis that allow them to be reliably mounted on a DIN Rail or a wall or they can b...

Page 38: ...ground wire attached at one end Part Number Maximum Number of Modules Dimensions DRS 125 2 125 mm x 35 mm DRS 240 3 240 mm x 35 mm DRS 360 5 360 mm x 35 mm Piggyback Mounting for PETL 7060 only PETL 7...

Page 39: ...t Mode Init Mode should only be selected when updating the firmware or while troubleshooting This mode forces the module to use the default factory settings Run Normal Mode Run Normal Mode is the defa...

Page 40: ...l PETL tET tPET series module are equipped with an RJ 45 Ethernet port to allow connection to an Ethernet hub switch or a PC Non PoE PoE for PETL tPET only ICP DAS CO LTD PETL tET tPET DIO Series User...

Page 41: ...ity tool The eSearch Utility can be obtained either from the companion CD at CD Napdos Software eSearch Or from the ICP DAS web site at http ftp icpdas com pub cd tinymodules napdos software esearch S...

Page 42: ...network settings The factory default IP settings are IP Address 192 168 255 1 Subnet Mask 255 255 0 0 Gateway 192 168 0 1 Step 5 Assign a new IP address and then click the OK button Contact your Netwo...

Page 43: ...d Internet Explorer are reliable and popular internet browsers that can be used to configure PETL tET tPET series module Note that if you intend to use Internet Explorer ensure that the cache to funct...

Page 44: ...rd The factory default password is Admin Click the Submit button to continue Step 4 Log in to the PETL tET tPET web server After logging into the PETL tET tPET web server the main page will be display...

Page 45: ...ed to the PETL tET tPET series module hardware and software including the Firmware version and IP Address etc The second section provides information related to the current status of the I O The third...

Page 46: ...twork and Miscellaneous Settings page allows you to check the Model name and other information related to the hardware and software The software and hardware information section includes the following...

Page 47: ...tET tPET device connected to the network must have its own unique IP address This parameter is used to assign a specific IP address Subnet Mask This parameter is used to assign the subnet mask for the...

Page 48: ...is button to save the revised settings to the PETL tET tPET device 4 2 2 1 Dynamic Configuration Dynamic configuration is very easy to perform If a DHCP server is connected to you network a network ad...

Page 49: ...manner Step 1 Select Static IP from the Address Type drop down menu Step 2 Enter the relevant details in the respective network settings fields Step 3 Click the Update Settings button to complete the...

Page 50: ...value TCP Timeout Seconds This parameter is used to configure the TCP timeout value If Modbus TCP communication is idle for a certain period of time the system will cut off the connection Web Auto lo...

Page 51: ...o reset the configuration Step 2 Click the OK button in the message dialog box Step 3 Check whether the module has been reset to the original factory default settings for use with the eSearch Utility...

Page 52: ...led Basic Settings Alias Name EtherIO The Forced Reboot function can be used to force the PETL tET tPET device to reboot or to remotely reboot for the device After the tET tPET module has rebooted the...

Page 53: ...hich will be described in more detail below 4 3 1 DO Control The following table provides an overview of the parameters contained in the Digital Output Control section Item Description Set DO value Th...

Page 54: ...afe value for the PETL tET tPET module If the Host Watchdog alarm is activated the DO will be set to the user defined safe value Power On Value This parameter is used to define the DO Power on value O...

Page 55: ...l is 0 01 Hz to 3 5 kHz 0 01 Hz error This mode can only be used when the pulse width signal source is stable since the measurement is based on the width of a single pulse Moving Average 1 No Average...

Page 56: ...t the duty cycle for the DO channels Two values are required for each DO channel The first value is the high pulse width while the second is the low pulse width The duty cycle is in 1 ms units and the...

Page 57: ...the PETL tET tPET device which will be described in more detail below 4 5 1 Settings The I O pair connection function is a specific feature of the PETL tET tPET series modules that can be used to enab...

Page 58: ...ed to set the base address of the Remote DI device that will be mapped to the Local DO register The range depends on the type of remote device being used 0 Local DO Address This parameter is used to s...

Page 59: ...ies module The following table provides an overview of the parameters contained in the IP Address Configuration section Item Description Add IP to the List This parameter is used to add an IP address...

Page 60: ...in and then enter a new password in the New password field Re enter the new password in the Confirm new password field and then click the Submit button to update the password 4 8 Logout Clicking the L...

Page 61: ...n connecting digital I O devices that do not themselves have Ethernet capability The following will describe how to correctly configure the I O pair connection function 5 1 One Module Polling the Remo...

Page 62: ...for more details Step 3 Configure the I O Pair connection on the Web Server 1 In the eSearch Utility select PETL tET tPET module 1 and then click the Web button to launch the browser program and conne...

Page 63: ...t from the Server Mode drop down options 5 Enter the IP address for PETL tET tPET module 2 in the Remote Server IP field 6 Enter the TCP Port for PETL tET tPET module 2 in the Remote TCP Port field Fi...

Page 64: ...a DI Count value for PETL tET tPET module 1 in the Local DI Count field of the Local DI to Remote DO section The following is an example of a Push mode configuration Enter 2 in the Local DI Count fiel...

Page 65: ...Connection section select Client from the Server Mode drop down options 5 Enter the IP address for PETL tET tPET module 2 in the Remote Server IP field 6 Enter the TCP Port for PETL tET tPET module 2...

Page 66: ...own options 5 Type the IP address of the PETL t P ET 1 in Remote Server IP field 6 Type the TCP Port of the PETL t P ET 1 in Remote TCP Port field Refer to Figures 5 2 to 5 4 for illustrations of how...

Page 67: ...tPET module 1 1 Configure the Ethernet settings for tET tPET module 1 tET tPET module 2 and the PETL 7060 slave device Refer to Section 3 4 Using the eSearch Utility to assign a new IP for more detail...

Page 68: ...field the default password is Admin and then click the Submit button to access the configuration page 4 Click the Pair Connection tab to display the Pair Connection settings page Refer to Figures 5 2...

Page 69: ...field This means DI addresses DI0 and DI1 of the PETL 7060 module are mapped to DO x2 of tET tPET module 1 Refer to Figure 5 8 for an illustration of how to perform the above procedure 10 Click the Su...

Page 70: ...d This means DI x2 of the PETL 7060 module is mapped to DO x2 of tET tPET module 2 8 Enter the DI Address for the PETL 7060 module in the Remote DI Address field of the Remote DI to Local DO section F...

Page 71: ...T module 1 1 Configure the Ethernet settings for tET tPET module 1 tET tPET module 2 and the PETL 7060 slave device Refer to Section 3 4 Using the eSearch Utility to assign a new IP for more details F...

Page 72: ...field the default password is Admin and then click the Submit button to access the configuration page 4 Click the Pair Connection tab to display the Pair Connection settings page Refer to Figures 5 2...

Page 73: ...d This means DO addresses DO0 and DO1 of the PETL 7060 module are mapped to DI x2 of tET tPET module 1 Refer to Figure 5 11 for an illustration of how to perform the above procedure 10 Click the Submi...

Page 74: ...This means DI x2 of tET tPET module 2 is mapped to DO x2 of the PETL 7060 module 8 Enter a DO Address for the PETL 7060 module in the Remote DO Address field of the Local DI to Remote DO section For e...

Page 75: ...der Electric ICONICS iFIX InduSoft Intouch Entivity Studio Entivity Live Entivity VLC Trace Mode Wizcon ElUTIONS and Wonderware etc can be used to easily integrate serial devices via the Modbus protoc...

Page 76: ...slave and the slave responds with a reply The protocol is open and hence highly scalable 6 2 Modbus Message Structure Modbus devices communicate using a master slave client server technique in which...

Page 77: ...e 0 since all messages are smaller than 256 Length field lower byte The number of following RTU data bytes RTU Data Structure Byte 06 Byte 07 Bytes 08 09 Bytes 10 11 Net ID Station Number Function Cod...

Page 78: ...bit of the function code will only be set to 1 if an error occurs in the system In this way the master will know whether the message has been transmitted correctly or not Section Code Function Refere...

Page 79: ...scription 0xxxx Read Write Discrete Outputs or Coils A 0x reference address is used to output device data to a digital output channel 1xxxx Read Discrete Inputs The ON OFF status of a 1x reference add...

Page 80: ...e 03 low byte 04 05 Number of Points Channels 2 Bytes Byte 04 high byte Byte 05 low byte Response Byte Description Size Value 00 Net ID Station Number 1 Byte 1 to 247 01 Function Code 1 Byte 0x01 02 B...

Page 81: ...ytes 04 05 00 06 Number of bytes remaining in this frame Request Byte 00 01 Net ID Byte 01 01 Function Code Byte 02 03 00 00 Starting DO Address Byte 04 05 00 02 Number of Points Response Leading 6 by...

Page 82: ...r of Points Channels 2 Bytes Byte 04 high byte Byte 05 low byte Response Byte Description Size Value 00 Net ID Station Number 1 Byte 1 to 247 01 Function Code 1 Byte 0x02 02 Byte Count 1 Byte Byte Cou...

Page 83: ...s 04 05 00 06 Number of bytes remaining in this frame Request Byte 00 01 Net ID Byte 01 02 Function Code Bytes 02 03 00 00 Starting DI Address Bytes 04 05 00 02 Number of Points Response Leading 6 byt...

Page 84: ...ister Table Byte 02 high byte Byte 03 low byte 04 05 Number of 16 bit Registers Channels 2 Bytes Word Count Byte 04 high byte Byte 05 low byte Response Byte Description Size Value 00 Net ID Station Nu...

Page 85: ...yte 01 03 Function Code Bytes 02 03 01 03 Starting AO Address Bytes 04 05 00 02 Number of Points Response Leading 6 bytes Bytes 00 03 01 02 00 00 Message Number Bytes 04 05 00 07 Number of bytes remai...

Page 86: ...02 high byte Byte 03 low byte 04 05 Number of 16 bit Registers Channels 2 Bytes Word Count Byte 04 high byte Byte 05 low byte Response Byte Description Size Value 00 Net ID Station Number 1 Byte 1 to...

Page 87: ...05 00 06 Number of bytes remaining in this frame Request Byte 00 01 Net ID Byte 01 04 Function Code Bytes 02 03 00 64 Starting AI Address Bytes 04 05 00 01 Number of 16 bit Registers Response Leading...

Page 88: ...N 0x00 00 sets the output to OFF All other values are invalid and will not affect the coil Byte 04 high byte Byte 05 low byte Response Byte Description Size Value 00 Net ID Station Number 1 Byte 1 to...

Page 89: ...00 06 Number of bytes remaining in this frame Request Byte 00 01 Net ID Byte 01 05 Function Code Bytes 02 03 00 01 DO Address Bytes 04 05 FF 00 Sets the output to ON Response Leading 6 bytes Bytes 00...

Page 90: ...05 Register Value 2 Bytes Register Value Byte 04 high byte Byte 05 low byte Response Byte Description Size Value 00 Net ID Station Number 1 Byte 1 to 247 01 Function Code 1 Byte 0x06 02 03 AO Address...

Page 91: ...er of bytes remaining in this frame Request Byte 00 01 Net ID Byte 01 06 Function Code Bytes 02 03 01 08 AO Address Bytes 04 05 00 3C Sets the system timeout to 60 seconds Response Leading 6 bytes Byt...

Page 92: ...o a channel A value of 1 for a bit denotes that the channel is ON while a value of denotes that the channel is OFF n 1 Byte 07 data bit 7 to 0 n 2 Byte 08 data bit 15 to 8 n m Byte m 6 data bit 8m 1 t...

Page 93: ...s remaining in this frame Request Byte 00 01 Net ID Byte 01 0F Function Code Bytes 02 03 01 0B Starting DO Address Bytes 04 05 00 02 Number of Output Channels Byte 06 01 Byte Count Byte 07 03 Output V...

Page 94: ...yte n Points x 2 Bytes 07 Register Values n Bytes Register Values n 2 Byte 03 high byte Byte 04 low byte n m Byte 03 high byte Byte 04 low byte Byte m 1 high byte Byte m 2 low byte Response Byte Descr...

Page 95: ...tes remaining in this frame Request Byte 00 01 Net ID Byte 01 10 Function Code Bytes 02 03 00 32 Starting AO Address Bytes 04 05 00 01 Number of 16 bit Registers Byte 06 02 Byte Count Bytes 07 10 03 E...

Page 96: ...tores all default web settings 1 1 Restore W Pulse 128 0x80 1 Default ID Settings 1 1 Restore W Pulse 133 0x85 1 Reboots the PETL tET tPET module 1 1 Reboot W Pulse Notes W Write 3xxxx AI address Base...

Page 97: ...safe values and the Host WDT Events Counter will be increased by one R W F 258 0x102 1 Host WDT Events 16 Denotes how many Host WDT Events have occurred since the last CPU reset R W 259 0x103 1 Module...

Page 98: ...60 6 6 0xxxx DO address Base 0 Starting Address Points Description Bits per Point Range Access Type 0 0x00 1 to nDO Digital Output Channels 1 0 Off 1 On R W 32 0x20 1 Clears the status of all high lat...

Page 99: ...g DO 60 register the data will be stored in flash Warning Frequency writing to the Flash can cause it to become corrupt Because of the characteristics of the relay functions it is recommended that the...

Page 100: ...nsequently the register address has an offset of 2 i e the address of the second channel will be at starting address 2 and so on You can refer to Appendix FAQ E for more detailed information Example R...

Page 101: ...bytes Request Command 01 02 00 00 00 06 01 04 00 32 00 0C 100 0x64 1 to nDO The duty cycle for the DO PWM The first word 16 bit register is the high pulse width while the second word is the low pulse...

Page 102: ...Channels 16 1 to 65535 second R W F Notes R Read W Write F Settings are recorded in flash by default E After writing the DO 60 register the data will be stored in flash Warning Frequent writing to the...

Page 103: ...http ftp icpdas com pub cd 6000cd napdos et7000 document application labview labview_modb us_eng pdf 7 2 OPC Server OPC OLE for Process Control was the first standard resulting from the collaboration...

Page 104: ...ration Accessing the PETL tET tPET Series Module SCADA software is able to access PETL tET tPET series devices using the Modbus communication protocol without the need for other software drivers Popul...

Page 105: ..._mod bus_eng pdf Citect CitectSCADA is a fully integrated Human Machine Interface HMI SCADA solution that enables users to increase return on assets by delivering a highly scalable reliable control an...

Page 106: ...g the following procedure Step 1 In the IE browser select the Internet Options item from the Tools menu Step 2 Click the General tab and then click the Settings button in the Temporary Internet files...

Page 107: ...tings and the Internet Options dialog boxes Step 4 Click the Refresh button on the browser or press F5 on your keyboard to refresh the PETL tET tPET series web server page or re open IE 5 6 7 8 ICP DA...

Page 108: ...te the firmware For detailed information regarding how to update the Firmware for your PETL tET tPET series module refer to the Firmware update via Ethernet user manual tPET_PETL_Series_Firmware_updat...

Page 109: ...ort 7 Port 57188 and Port 54321 is not being denied by another network device The following provides more detailed information related to TCP UDP ports TCP Port Port Number Description 80 HTTP HyperTe...

Page 110: ...uld not be enabled while PWM output is active as this will reduce the PWM accuracy The test environment is as follows Operating System Windows XP SP3 Module tPET P2C2 Firmware Version v1 2 8 Measuring...

Page 111: ...sired Duty Cycle High and Low Measured delta t 8 ms x 2 16 00 ms 0 ms 1 ms Figure 6 Duty Cycle 10 ms Error Desired Duty Cycle High and Low Measured delta t 9 ms x 2 18 00 ms 0 ms 1 ms Error Desired Du...

Page 112: ...sired Duty Cycle High and Low Measured delta t 12 ms x 2 24 00 ms 0 ms 1 ms Figure 10 Duty Cycle 14 ms Error Desired Duty Cycle High and Low Measured delta t 13 ms x 2 26 00 ms 0 ms 1 ms Error Desired...

Page 113: ...e 11 Duty Cycle 15 ms Error Desired Duty Cycle High and Low Measured delta t 15 ms x 2 30 00 ms 0 ms 1 ms ICP DAS CO LTD PETL tET tPET DIO Series User Manual Ver 2 1 Sep 2014 Page 113 7 495 109 02 08...

Page 114: ...ffset of 2 i e the address of the second channel will be at starting address 2 and so on Example Reading the values for 6 DI Counters on a tPET P6 module Using the API of nModbus Ushort counter master...

Page 115: ...address channels and declared length parameters etc refer to the section 6 3 Modbus Register Table Starting Address Number of 16 bit Registers 6 channel DI 2 12 0x0C Message Number Number of bytes rem...

Page 116: ...0x0161 Ch1 Ch2 00 00 00 00 01 A8 00 00 00 00 00 00 Ch3 Ch4 0x01A8 Ch5 Response Message Number Number of bytes remaining in this frame Net ID Function Code Byte Count of the Response Number of DI Chann...

Page 117: ...tentially cause incorrect data counting or operation failure Consequently it is imperative that these errors are removed from the input signals especially if the signals are used in crucial applicatio...

Page 118: ...m pub cd tinymodules napdos tpet document faq pdf faq_tpet_004_en pdf Firmware v1 2 9 http ftp icpdas com pub cd tinymodules napdos tpet firmware Document for updating firmware http ftp icpdas com pub...

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