NX2E4X Manual Rev 2.1 - Advanced Micro Controls Inc
Contents
1. 4 460 j I sal 1 I 1 l 1 _ E Bag secon novjan queries pau eneyee enal fo te Mi Waite 4h iy ee AG ey SENSOR 2 Weel sieges 5 NBA BAB l PENN Arai a i l l R842E EN 50 022 Channel Not included With the Unit DIN Mounting Bracket Foot Mount Position See Instructions for attaching to the NX2E4C Bracket accepts EN 50 022 or EN 50 035 Channel 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 7 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com ansam NX2E4X Manual Rev 2 1 AMC Four Channel SSI Network Interface Panel Mounting As shown in the figure below the NX2E4X can be panel mounted in two ways The mounting kit included with the unit contains the two panel brackets and four 8 screws needed to attach the brackets The slots in the brackets for mounting the unit to the panel are made to accept 8 screws or bolts The lengths of these screws or bolts depends on your application and are not included with the unit Panel Mounting Brackets Rear Mount Position j j 0 180 typical 4 595 iiaii SENSOR 1 SENSOR2 SENSOR 3 SENSOR 4 Te e e ERT STATUS oa 200 24 VOC 7 1 24 3 040 i NEXUS wy DIGITAL INTERFACE aaa gt tL Panel Mounting Brackets Foot Mount Position J 4234 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 8 Tel 860 52. Expand the networks attached to the NOE module by clicking on the jH symbol to the left of the 140 NOE 771 01 module Right click on the network associated with the 140 NOE 771 01 module and select OPEN from the window that appears Click on the down arrow on the field just below where it asks you to Please choose a Network Select the network that was created above Save and build the project and download it to the PLC If the NX2E4T is powered up and attached to the network network LED 3 the upper right network status LED should now be flashing and network LED 4 the lower right network status LED should now be on solid page 31 E mail sales amci com PvvPo NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Version 0 0 was released on 7 1 02 and was the initial release of the specifications Version 1 0 was released on 2 2 04 and added DeviceNet and Profibus configurations to the existing Ethernet specifications A table showing common scalar multiplier and divisor values was also added to the specifications Version 2 0 was released on 8 29 08 This revision added mounting drawings and dimensions descriptions of all of the programmable features and adding the unit to a Modbus TCP IP network File NX2E4X_specifications doc date 8 29 08 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 32 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com
3. NX2E4X Mounting DIN rail or panel mount Kit included with unit that allows customer to change mounting styles DIN channel not supplied with the NX2E4X can be EN 50 002 or EN 50 035 Environmental Conditions Operating Temperature 0 to 60 C Relative Humidity 5 to 95 without condensation Storage Temperature 40 to 85 C NEMA Rating NEMA 1 Must be mounted in a suitable enclosure to protect it from airborne and liquid contaminates 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 6 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMI Four Channel SSI Network Interface Mounting the NX2E4X The next two pages show the NX2E4X in its DIN rail and panel mount configurations The mounting kit included with the unit contains two DIN brackets two panel brackets and four 8 screws needed to attach your choice of brackets to the NX2E4X Note that the unit is not sealed and the NX2E4X must be installed in an adequate enclosure to protect it from environmental contaminates DIN Rail Mounting As shown in the following figure the unit can be DIN rail mounted in two ways The brackets accept EN 50 002 or EN 50 035 channel Note that DIN channel is not included with the NX2E4X EN 50 022 Channel Not Included With the Unit DIN Mounting Bracket Rear Mount Position zg See Instructions for attaching to the NX2E4C_ Bracket accepts EN 50 022 or EN 50 035 Channe
4. Number of Data Bits 1 Note 2 The Preset Value is divided into two words The upper word contains the 10 000s places while the lower word contains the 1000s 100s 10s and 1s places For example a value of 123 456 would have 12 in the upper word and 3456 in the lower word Note 3 Negative Preset Values are transmitted with bit 15 the Most Significant Bit set in the Preset Value s upper word 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com page 17 FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Control Word _ Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 O1 00 4 Q y y y y gt gt gt gt ee ee eee ee ee ee eee 3 T 5 5 5 5 5 5 5 5 3 gt al al ola a2 4 Sig F amp 8 8 amp T z 5 z 5 Q Q Qal a a amp ejl eaj E ETET E o gt v nyf 5 BB BY 8B Z g 2 2 2 g g g g A ba hs ao ao ao ao Configuration Word Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 o m on on oR oy 0 0 5 0 0 0 Clock 42 4 o o o0 8B o We Zo Frequency BS
5. Location of the 140 NOE 771 01 module IP Address The TCP IP address of the 140 NOE 771 01 module Subnet Mask 255 255 255 000 8 Click on the I O scanning tab The following screen will appear w Ethernet_1 Model Family Module Address Rack Module A TEPP 10700 Regular connection J Messaging 10 Scanning Module IP Address Global Data IP Address Subnetwork Mask Gateway Address SNMP Address Server IP Configuration i 10 Scanning Bandwiath V0 Scanner configuration Health Block x1 w szw J Device Control Block MDx 4 Health Repetitive RD WR WR Slave IP r 5 RD Last value WR ae Unit ID Timeout rate Master Master Slave Description Address ms ms Object length Input Object Index length 192 168 0 50 255 p J Hold last MWw30 1024 10 xi zi xi zi X X X X X 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 30 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com 10 Click on Yes when asked Do you want to save your modifications 12 13 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 Tel 860 585 1254 Fax 860 584 1973 Slave IP Address Unit ID Health Timeout Repetitive Rate RD Master Object RD Slave Index RD Length Last Value input WR Master Object WR Slave Index WR Length Description Close the network NX2E4X Manual Rev 2 1 Four Channel SSI Network Interface Enter the following param
6. See the Network installation guides in chapter 5 Status LEDs LED Pattern LED Enabled Module Fault It is possible to enable or disable the LEDs when programming the Nexus module The default LED function has only status LED 1 enabled The NX2E4X status LED s do not indicate any problem with the sensor or with the connections to the sensor Power Connector Pin Function The NX2E4X requires 0 5A of current 24Vdc to operate If the sensor is being powered from the Nexus unit add its power requirements to those of the Nexus 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 4 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Sensor Connectors 1234567 The Sensor Input Connectors labeled SENSOR zapas amdp a 1 through SENSOR 4 have seven contacts The mating connectors are supplied with the Shields NX2E4X The AMCI part number for the mating Chassis Ground rh connector is MS 7P while the Phoenix Contact 24Vde Output part number is MC1 5 7 ST 3 81 order number __ _ DC Ground 1803620 _Data Data Clock Clock The 24Vdc Output pin 6 is directly connected to the 24V dc pin CAUTION on the Power connector of the NX2E4X If your SSI sensor uses 24Vdc as its power source then you can use this pin to power the sensor DO NOT APPLY 24Vdc TO THIS PIN Doing so will damag
7. 15 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com NX2E4X Manual Rev 2 1 Four Channel SSI Network Interface Status Word Layout Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 S Slo lolig TS F flol El EI sl 8 ag a 5 v B Bue 5 A z KA z B z ise ome ae Q D z ct R z S 09 Z 3 ap 2 6 8 lt z g BB amp e O ee e s amp x ail lg g ao a A ya gt e T ga O lt n 5 oO N B mi B 2 5 i o S g ZAleg sg e 8 w Elleg 5 Sy I Se a T g e a s a 8 amp F eS E F mg g S 2 g P gt i g S g amp i Configuration Error Constant Error Divisor Error Multiplier Error Preset Value Error Command Error Message Ignored Motion Direction Data Value Sign Velocity at Zero Velocity Overflow Module Fault Acknowledge Bit 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 Tel 860 585 1254 Fax 860 584 1973 Set if any of the unused bits in the configuration word are set This bit is set if the number of the SSI bits the number of data bits or the MSB number is outside the limits 1 32 This is also true if the Number of Data bits MSB Number 1 gt the Number of the SSI Clock bits The Scalar Divisor is outside the e
8. Lees Node Address Bice 2 5 125k 00 0 000000 250k 01 1 000001 500k 10 2 000010 Reserved 11 61 111101 62 111110 63 111111 Example For a Baud Rate 250K and the Node Address 5 switches 2 6 and 8 would be ON up towards the top of the module and switches 1 3 4 5 and 7 would be OFF down towards the bottom of the module 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 20 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface SIS a TP beac RAA SALER SSAI ARES AR AAE AAA USERS RA OLEE The following table describes the function of the four network status LEDs LER Name LED Pattern Description Number Module Steady Off No Power Steady Red Unrecoverable Fault Network j Status Steady Green Device Operational Flashing Red Minor Fault Steady Green Link OK On Line Connected Flashing Red Connection Time Out Flashing Green On Line not connected Reserved 4 Reseved OP O Status Steady Off Not Powered Not On Line Steady Red Critical link failure Network 1 2 3 4 Network Update Time The NX2E4D has a minimum network update time of 5ms Adding the NX2E4D to your network Before the NX2E4D can be attached to a network it must be added to the RSNetWorx for DeviceNet software The EDS and icon files are available in the Tech Library gt gt Driver Files section of our website www amci com
9. Steady Off The module has no power or on IP address has been assigned Steady Green The module has at least one established Ethernet IP connection Flashing Green There are no Ethernet IP connections established to the module Flashing Red One or more of the connections in which this module is the target has timed out Steady Red The module has detected that its IP address is already in use Flashing Green Red The module is performing a power on self test Network Status Steady Off No Power Steady Green The module is operating correctly Flashing Green The module has not been initialized Status Flashing Red A minor recoverable fault has been detected Steady Red A major internal error has been detected Flashing Green Red The module is performing a power on self test 3 Activity This LED flashes green each time a packet is received or LED transmitted This LED indicates that the module is connected to an Ethernet 4 Link network 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 23 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMI Four Channel SSI Network Interface a seins inaia cee sieves teenie EA saci AMCI NX2E4X to Rockwell Automation 1756 ENET B module With power removed use the dip switches to set the address of the NX2E4X Open an existing or create a new ControlLogix program From the project tree right click on I O configuration and select New M
10. bits 3 TINT is the time between interrogations and is equal to 500uS for the NX2E4X TM is the time that the Stop bit is valid which is typically 12 to 20 uS TIDL is the time between the end of the last interrogation and the start of the next and is fixed at 120uS The transducer must have new data available within the TIDL Time period if the system is to work properly 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 10 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface The NX2E4X is configured by programming its Programmable Parameters These parameters are broken down into two groups SSI Setup parameters and Data Setup parameters SSI Setup Parameters These parameters are used to extract the SSI Data Value from the bit stream These parameters define the clock speed of the data transfer the number of clock bits the position and length of the SSI data within the bit stream and the format of the data SSI Clock Frequency This parameter allows you to set the SSI clock frequency to one of four values 125kHz 250kHz 500kHz or 1 0MHz The default value of 125kHz value will work in all applications Your sensor s user manual should contain information on what SSI Clock Frequency is appropriate for both the sensor and the type and length of cable used Number of SSI Data Bits This parameter defines how many bits of the data stream m
11. 16 bits Channel 3 Actual SSI Data 20 Lower 16 bits Channel 3 Actual SSI Data 21 Channel 4 Status 22 Upper 4 digits Channel 4 data value Scaled 23 Lower 4 digits Channel 4 data value Counts 4 24 Upper 4 digits Channel 4 velocity Counts 25 Lower 4 digits Channel 4 velocity Second 26 Upper 16 bits Channel 4 Actual SSI Data 27 Lower 16 bits Channel 4 Actual SSI Data Note 1 The data and the velocity values are divided into two words The upper word contains the 10 000s places while the lower word contains the 1000s 100s 10s and 1s places For example a value of 123 456 would have 12 in the upper word and 3456 in the lower word To combine the two values into one register multiply the upper word by 10 000 and add the lower word to it There is also a Data Value Sign bit in the Channel Status words When this bit is set the data value is negative You can take the state of this bit into account by multiplying your combined data value by 1 whenever this bit is set Note 2 The Actual SSI Data is the unmodified data as it is received directly from the sensor That is before any offset scalars or data conversion operations are performed This data is reported to allow you to detect any error or status bits that your sensor may place in the data stream Note 3 All of the SSI bits will be reset to zero if there is no working SSI sensor attached to the channel 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page
12. 60 584 1973 E mail sales amci com FYT NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Sensor 1 Sensor 2 Sensor 3 Sensor 4 Power Status Power OOO0O 0 AMCI Connector 123 4 GND 24 VDC LDT Status LEDs Nexus Digital Interface Address DIP Ethernet switches Switch 1 RJ45 Ethernet Status LEDs Connector Power Up Delay There is an eight second delay between power up and when the NX2E4X begins to communicate with the network Changing the Ethernet IP Address The NX2F4E has a default IP address of 192 168 000 X XX where XXX can be any number between 1 and 254 and is set by the dip switches located on the front of the module Use the following procedure if you want your IP address to be something other than 192 168 000 XXX 1 Remove power from the Nexus Unit Set all of the unit s dip switches to the OFF Down position This will set the unit s address to 0000 0000 3 Start and configure your BootP server Any DHCP BootP server running on a computer which is connected to the same network may be used for this purpose Please note that the Nexus Unit s MAC ID address is located on a label on the module s cover 4 Apply power to the Nexus Unit 5 At power up the module will attempt to get an IP address by sending several BootP requests This operation will require approximately 30 seconds At this point LED2 will be flashing green If retrieved the IP configuration will be u
13. 85 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMG Four Channel SSI Network Interface Attaching the DIN Brackets The following figure shows how to install the DIN brackets so that the NX2E4X can be mounted on EN 50 022 or EN 50 035 rail Note that the bottom view of the unit is shown The rear view is similar and the brackets are installed in the same fashion 1 Remove a DIN bracket two 8 screws and two 8 lock washers from the mounting kit bag 2 Slide the DIN bracket onto the unit 3 Install the two 8 screws and lock washers to secure ana is a E BOTTOM VIEW OF NX2E4X the bracket on ti it INCOMPLETE 4 Repeat on the other side BACK VIEW IS SIMILIAR a DIN Bracket 8 Screws and Lockwashers 2 p aces Attaching the Panel Brackets The following figure shows how to install the panel brackets so that the NX2E4X can be securely mounted to an enclosure Note that the bottom view of the unit is shown The rear view is similar and the brackets are installed in the same fashion 1 Remove a panel bracket two 3 screws and two 8 lock washers from the mounting kit bag 2 Position the panel bracket onto the unit i 9 i 2 Instali the two 5 screws and lock washers to secure the bracket to the unit BOTTOM VIEW OF NX2E4X INCOMPLETE 4 Repeat on the other side BACK VIEW IS SIMILIAR SIDE VIEW OF PANEL BRACKET INSTALLATION NR Panel Bracket 8 Screws an
14. Ifyou are using a pre made cable or the SSI transducer has an integral cable verify that the shields are electrically isolated from the body of the transducer If they are connected then properly ground the body of the transducer and DO NOT connect the shields to Shields pin 7 of the Sensor Input Connector The preferred grounding connection for the transducers shields is at the NX2E4X Use this point unless the shields are connected to the body of the transducer through a pre made or integral cable Following this practice will eliminate ground loops that could damage the transducer or NX2E4X SSI Protocol The following figure shows how a NX2E4X reads data from a SSI transducer Note that the formal SSI definition allows for twenty four bits of data and a twenty fifth stop bit However AMCI is aware of some transducers that transmit more or less than twenty five bits To accommodate these transducers the NX2E4X can be programmed to accept up to thirty two bits in the SSI bit stream TINT D Tipe 5 D 1 2 3 n i n n 1 2 3 4i i CLOCK jc ak a TLL ELY i 14 4 DATA pit 7X8 2XBit2 XBitn 1X Bitn stop Bit 1 Bit 2 Bit 2 n Number of bits in the SSI data Range of 1 to 32 Default of 24 1 The first falling edge of the clock signal latches the SSI data Note Some transducers latch the data at the end of the previous interrogation 2 The next n rising edges of the clock shift out the n data
15. Mask 255 255 255 0 The Gateway Address Domain Name Primary DNS Server Address and Secondary DNS Server Addresses all remain unchanged 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 24 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface ones a a eer Pe A AA aia ase wae A eee naan ae Sensor 1 Sensor 2 Sensor 3 Sensor 4 1234567 1234567 1234567 1234567 Power Power Connector Status oooo0o L__ AMCI LDT Status LEDs 1 2 3 4 RS485 GND 24 VDC OO SSE A New 2 4 i 5 Digital Interface Profibus Profibus Selects Station Female Status LEDs Address Connector Profibus Status LEDs Number Off The module is Online Off The module is Off line Flashing Red 1Hz Error in configuration IN and or OUT length set during initialization of the module is not equal to the length set during the configuration of the network Flashing Red 2Hz Error in User Parameter data The length contents of the user parameter data set during initialization of the module is not equal to the length contents set during configuration of the network Flashing Red 4Hz Error in initialization of the Profibus communication ASIC Off No diagnostic present Profibus Connector The Nexus module uses a 9 pin female D sub connector to communicate with the Profibus network 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 pa
16. The following procedure to add the EDS file to RSNetWorx assumes that you have already downloaded these files and un zipped them 1 With the power off use the dip switches on the front of the NX2E4D to set the node address and the baud rate Start RSNetWorx for DeviceNet In the RSNetWorx program click on Tools in the menu bar Click on EDS Wizard from the pull down menu that appears Click on Next gt in the window that appears Select Register an EDS file s and click on Next gt Select Register and EDS file Click on Choose File and navigate to the folder where you placed the un zipped EDS and icon files 9 Double click on NX2E4D_r02 eds file 10 Click on Next gt 11 Click on NX2E4D_r02 eds file so that it is highlighted 12 Click on Next gt to assign an icon to the device 13 Click on the NX2E4D and then click on Change icon to select the icon for the Nexus unit You can choose one of the built in icons from Rockwell Automation or click on the Browse button and select the NX2E4D ico icon file 14 Click on Next gt and then click on Finish to complete the installation of the AMCI NX2E4D EDS file to the RSNetWorx system SPNIAKARWN Once the EDS file is added to your system add the NX2E4D to your network as you would any other device including adding it to the scanlist configuration of the scanner module 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 21 Tel 860 585 1254 Fax 8
17. Value usually increases as the magnet moves away from the head of the LDT When the Count Direction is set to Negative the Data Value increases as the magnet moves towards the head of the LDT You will need to Apply the Preset the Data Value after you program the Count Direction parameter If your Data Value represents a rotary position you cannot change the count direction with this parameter However you can easily reverse the count direction with ladder logic This can easily be accomplished with two rungs of logic Rung 1 Ifthe data value is equal to zero simply copy the current data value into your reversed count direction register The zero point is the same for both directions of rotation Rung 2 If the data value is not equal to zero subtract the current data value from the maximum value that your rotary encoder will output Rate Update Time The Velocity Update Time parameter sets the amount of time between Rate of Change information updates to the PLC Its can be set to either 24 milliseconds or 160 milliseconds with 160 milliseconds being the default Decrease the time between updates for faster response to changes in this value Increase the time between updates for better averaging of this value The Velocity data is measured in Counts Second LED Enable This parameter gives you the ability to enable or disable the Unit Status LED of the corresponding Sensor Input Channel When disabled the LED is always off and does not s
18. a5 2 is 2 S Q Re FS BA 25 oz lt A y ET lt o Bs 00 1MHz ee ee 3 S S Ta 01 500kHz 4 q 6 U a Te 10 250kHz 3 B FR Zg Bo 11 125kHz 4 S a be g p o ft 5 e 5 z a a S 40 O B n Notes 1 The Configuration Word has a default value of 0 2 A Configuration Error will be generated if any of the Configuration Word s unused bits 1 3 4 5 10 11 12 14 and 15 are set 3 The Count Direction parameter is useful if the Data Value represents a linear position It gives you the ability to reverse the direction of motion needed to increase the position count Changing the direction of increasing counts changes the data value sign bit in the input register s status data The absolute value of the data value is not affected This parameter will not reverse the direction of increasing counts of a rotary encoder Aa The default clock frequency is 1MHz 5 A Command Error will be generated if you try to both Apply the Preset and Program a channel in a single programming sequence However it is possible to program a channel while Applying the preset of a different channel 6 All of the channel s setup data must be present and valid before it will be accepted during a programming cycle 7 Ifa programming error exists on any of the channels the error must be cleared before a different channel can be programmed 8 Itis possible to enable or disable the four status LEDs The channels are always are enabled and wi
19. age table or in the M1 file however all 28 input words must be located in one file The 33 output words must be located in the MO file e Click on Input 32 Byte 16 word and then on OK e Click on the SLC Address tab and then select the Input Type either I or M1 and the offset value that is where in the I or M1 table the data begins It is important not to leave gaps between an existing Profibus module and the data used by the Nexus unit e Again click on the Modules tab and click on Add e Click on Input 16 Byte 8 word and then on OK e Click on the SLC Address tab and then select the Input Type to be the same as was selected above Set the offset value to the value assigned to the 32 byte parameter plus 16 e Again click on the Modules tab and click on Add e Click on Input 8 Byte 4 word and then on OK e Click on the SLC Address tab and then select the Input Type to be the same as was selected above Set the offset value to the value assigned to the 16 byte value plus 8 e Again click on the Modules tab and click on Add Click on Output 64 Byte 32 word and then on OK Click on the SLC Address tab and then select the Output Type to be MO and then select an offset value As with the input data it is important not to leave gaps between an existing Profibus module and the data used by the Nexus unit Again click on the Modules tab and click on Add Click on Output 2 Byte 1 word and then on OK Click on the SLC Address tab and then
20. ake up the Data Value This parameter has a range of 1 to 28 and a default of value of 24 Most Significant Bit MSB Number This parameter defines the bit location of the first bit of the Data Value in the data bit stream This parameter has a range of 1 to 32 and a default value of 1 Number of SSI Clock Bits This value sets the number of bits that the NX2E4X will read from the SSI transducer per interrogation This parameter has a range of to 32 and must be greater than or equal to Most Significant Bit Number Number of SSI Data Bits 1 The default value of 24 bits will work in most applications Example You have a 12 bit single turn SSI encoder that outputs 25 SSI Clock bits The single turn value is located in the least significant bits of the SSI data 5 6 7 12 13 14 15 16 17 18 19 20 21 22 23 24 25 0 0 90 0 0 JO X X X X X X X X x xX x xX i i 4 0 SB of SSI Clock Bits MSB of Data Value LSB of Data Value and Clock bits In this example the NX2E4X module would be setup using the following data Number of SSI Clock Bits 25 Most Significant Bit number 14 Number of SSI Data Bits 12 Data Type This parameter tells the NX2E4X module to interpret the SSI data either as a binary number or as a gray code number The default value is binary You must read all of the data bits from a Gray Code sensor The data val
21. ansaa NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Overview The AMCI NX2E4X where the second X indicates the network type is a stand alone unit that is used to connect up to four SSI sensors to a network The available networks along with the corresponding AMCTI part number are shown in the following table Network Part Number DeviceNet NX2E4D Ethernet NX2E4E Profibus NX2E4P Modbus TCP IP NX2E4T The NX2E4C ControlNet SSI interface is not covered by this manual It has its own separate manual that is available on the following page of our website http www amci com documents asp The NX2E4X uses twenty eight 16 bit input words and thirty three 16 bit output words to communicate with the network Sample programs for this and other AMCI products are available from the following page of our website http www amci com sampleprograms asp 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com VYP T NX2E4X Manual Rev 2 1 AMI Four Channel SSI Network Interface General Information 3 Installation Chapter 1 4 Hardware Overview 4 Specifications 6 Mounting 7 Wiring 10 SSI Protocol 10 Programmable Parameters Chapter 2 11 SSI Clock Frequency 11 Number of SSI Data Bits 11 Most Significant Bit 11 Number of Clock Bits 11 Data Type binary or gray code 11 Data Logic 11 Scalar Multiplier and Diviso
22. bol next to Communication Click on the H symbol next to Networks to show the available networks If you are creating a new network for the NX2E4T right click on Networks and select New Network from the window that appears If you are adding the NX2E4T to an existing network ignore this step Oe NS Click on the down arrow to the right of the List of available Networks field and select Ethernet from the drop down menu that appears Type the new networks name in the Change Name field Click on OK to create the new network 6 Right click on the existing network and select open from the window that appears The following window will appear 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 29 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface i Ethernet_1 DAR Model Family Module Address Module Utilities Rack Module Mo a Messaging e a YES X 10 Scanning Module IP Address NO X Global Data IP Address Subnetwork Mask Gateway Address mo a SNMP NO v Address Server IP Configuration u 10 Scanning f Bandwidth IP Address Configuration IP address 192 168 0 2 Subnetwork mask 255 255 255 0 Gateway address 0 0 0 0 Froma server WEB Configuration Ethernet configuration Ethernet Il 7 Enter the following parameters Module Family TCP IP 10 100 Regular Connection Module Address
23. d Lockwashers 2 places Transducer Mounting Follow the mounting instruction you received with your SSI transducer 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 9 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Transducer Cable Installation Follow the transducer manufacturers suggestions when specifying the transducer cable Pre assembled and tested cables are usually offered by the manufacturer When installing the transducer cable follow these general guidelines gt SSI signals are low voltage low power signals SSI cables must use shielded cable and can be installed in conduit along with other low power cabling such as communication cables and low power ac dc I O lines They cannot be installed in conduit with ac power lines or high power ac dc I O lines Most factory automation manufacturers offer excellent written guidelines for cabling installation that you can refer to for additional information gt The shields of the transducer cable must be grounded at one point only When installing the cable treat the shield as a signal carrying conductor and do not connect the shield to ground at any junction box 1 Ifyou are making your own transducer cable ground the shields at the NX2E4X by connecting them to the Shields pin 7 of the Sensor Input Connector Do not connect the shields to the body of the transducer 2
24. e the NX2E4X and possibly your power supply 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 5 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com anama NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Throughput Time 192us minimum 468s maximum The rate at which data is updated to the network is also dependent on how often the sensor updates its data and the network update time Data I O Words Requires a maximum of 28 input and 33 output words Compatible Transducers Any transducer that outputs data in single word SSI format Number of bits transferred is programmable from 1 to 32 Multi word transfers are not supported Number of Transducer Inputs Four Transducer Input Isolation Optically Isolated 1 500 Vac Programmable Parameters SSI Clock Frequency MSB Number Scalar Multiplier Count Direction Number of SSI Bits Data Type Scalar Divisor Rate Update Time Number of Data Bits Data Logic Preset Value LED Disable Data Value position Range 268 435 455 counts max Data Value position Preset Data Value can be preset to any value within the position range Rate of Change velocity Range 268 435 455 counts per second max Rate of Change velocity Resolution Determined by and identical to the Data Value resolution Program Memory EEPROM Rated for 100 000 write cycles Data Available to Network Data Value Rate of Change status bits and Actual SSI data
25. e dip switches Continuing the above example switches 8 6 5 2 and 1 will be off down and switches 7 4 and 3 will be on up 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 28 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Ve RG Tar TT a MSI Tere TIE Tm Ae eee eRe nS ES Te renee aT Lap Name LED Pattern Function Number Flashing Green with This LED indicates the number of established Modbus TCP Network 2 Seconds interval connections to the module The number of connections is equal Status to the number of flashes on this LED Flashing Green Red Power on self test Steady Off No Power Steady Green The module is operating correctly j Module Flashing Green The module has not been initialized Status Flashing Red Minor recoverable fault Steady Red Major internal error Flashing Green Red Power on self test This LED flashes green each time a packet is received or Flashing Green gr p Steady Green e si indicates that the module is connected to an Ethernet networ Setup Example AMCI NX2E4T to Group Schneider s 140 NOE 771 01 module This setup example assumes that the 140 NOE 771 01 module has already been installed in the PLC system With power removed use the dip switches to set the IP address of the NX2E4T Open an existing or create a new Unity program Open the Project Browser and click on the H sym
26. e the module at every power up The NX2E4X EEPROM memory is guaranteed for 100 000 write cycles before writing to it will cause it to fault Therefore continuously Applying the Preset should be avoided If your application requires you to continuously Apply the Preset consider calculating and Applying the Preset in your PLC program Programming the NX2E4X s setup parameters will reset the internal offset generated by an Apply Preset operation If you are programming the unit s setup parameter at every power up this may cause your data value to not be absolute through power down 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 13 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com PyvPo NX2E4X Manual Rev 2 1 AMC Four Channel SSI Network Interface Count Direction This parameter is useful if your Data Value represents a linear position It gives you the ability to reverse the direction of motion needed to increase the position count For simplicity s sake the two values for this parameter are called Positive Direction and Negative Direction When this parameter is set to its default of Positive the Data Value is not changed When this parameter is set to Negative the Data Value is multiplied by 1 before it is reported For linear transducers this has the effect of reversing the direction of motion needed to increase the count When using LDT s and the Count Direction is set to Positive the Data
27. etermine the Scalar Multiplier and Divisor values Desired Resolution counts inch 10000 counts inch 100 50 LDT Resolution counts inch 25400 counts inch 254 127 Therefore to use a sensor with 1mm resolution and get 0 0001 inches per count resolution use a Scalar Multiplier of 50 and a Scalar Divisor of 127 Preset Value The zero position of the SSI encoder s Data Value may not match the zero position of your machine The Preset Value parameter gives you the ability to offset the Data Value from the actual SSI data to a value that will be more useful for your application Programming the Preset Value parameter does not change the Data Value The Preset Value is stored in the NX2E4X module s memory until the module sees the Apply Preset bit during a programming cycle Apply Preset Offsetting the Data Value to the Preset Value is a two step operation First the Preset Value which is part of channel s setup data must be saved in the module s memory Second setting the Apply Preset bit will change the Data Value to the Preset Value These two operations MUST be performed separately It is NOT possible to both program the Preset Value and Apply the Preset in one programming cycle Setting the Apply Preset bit causes the module to generate an internal offset value that is applied to the Data Value before it is reported to the PLC This internal offset is saved in the NX2E4X module s memory so it is not necessary to hom
28. eters IP Address of the NX2E4T module Not necessary for the NX2E4T module The default value of 255 can remain Timeout value measured in ms Can be any value for the NX2E4T module Update time of the NX2F4T in ms A value of zero will result in the fastest transfer of data between the NX2E4T and the NOE module A value other than zero must be in a multiple of 16 First destination address register where the data transmitted from the NX2E4T will be located Must be 0 Must be set to 28 The NX2E4T uses twenty eight 16 bit input words Status of the input registers either last state or zero in the event of an error The data from the NX2E4T will remain in the registers if communications are lost First source address register location where the data sent from the PLC to the NX2E4T is located Must be set to 1024 Must be set to 33 The NX2E4T uses thirty three 16 bit output words Your choice of text or leave blank Click on Yes when asked Do you Confirm the Modification On the Project Tree expand the I O configuration by clicking on the HH symbol to the left of Configuration Quantum Drop Further expand the I O configuration by clicking on HH symbol to the left of the Local Bus Continue to expand the I O configuration by clicking on the symbol to the left of the Local Continue to expand the I O configuration by clicking on jH symbol to the left of the rack that contains the 140 NOE 771 01 module
29. ge 25 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com anama NX2E4X Manual Rev 2 1 AMC Four Channel SSI Network Interface Station Address Selection MOATTE TETTETETT The Nexus module has two rotary switches used to set the module s address on the network Any station from 0 to 99 can be selected Switch 1 sets the one digit and switch 2 sets the 10s digit of the address For example if the Nexus is to be installed at station 46 switch 1 would be set to 6 and switch 2 would be set to 4 Note changing the station address only takes affect at power up Changing the address while power is applied to the Nexus module will generate a minor fault Network Baud Rate The NX2E4P supports the following network baud rates 9 6 kbits sec 19 2 kbits sec 93 75 kbits sec 187 5 kbits sec 500 kbits sec 1 5 Mbits sec 3 Mbits sec 6 Mbits sec and 12 Mbits sec Quick Start Guide AMCI Nexus to SST PFB SLC Profibus interface module 1 Ifitis not already present install the SST PFB SLC module in the SLC rack and configure the rack the ID code is 13635 for the module 2 Place the PLC in program mode 3 Connect a serial cable from the computer s COM port to the RS232 port of the SST PFB SLC module 4 With the power off use the rotary switches on the Nexus unit to select the desired station address The left switch sets the 1s digit and the right switch sets the 10s digit of the station address Attach the Nexus unit to the P
30. how the status of the NX2E4E The channel will continue to function regardless of the state of the LED 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 14 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Chapter 3 Input Data Data sent from the NX2E4X to the network The NX2E4X reports Status information Data Values Velocity Values and Actual SSI Data to the network using twenty eight 16 bit words The following table shows the layout of these words Channel Word Function Units 0 Channel Status 1 Upper 4 digits Channel data value Scaled 2 Lower 4 digits Channel data value Counts 1 3 Upper 4 digits Channel velocity Counts 4 Lower 4 digits Channel 1 velocity Second 5 Upper 16 bits Channel 1 Actual SSI Data 6 Lower 16 bits Channel 1 Actual SSI Data 7 Channel 2 Status 8 Upper 4 digits Channel 2 data value Scaled 9 Lower 4 digits Channel 2 data value Counts 2 10 Upper 4 digits Channel 2 velocity Counts 11 Lower 4 digits Channel 2 velocity Second 12 Upper 16 bits Channel 2 Actual SSI Data 13 Lower 16 bits Channel 2 Actual SSI Data 14 Channel 3 Status 15 Upper 4 digits Channel 3 data value Scaled 16 Lower 4 digits Channel 3 data value Counts 3 17 Upper 4 digits Channel 3 velocity Counts 18 Lower 4 digits Channel 3 velocity Second 19 Upper
31. ion in your ladder logic program 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 19 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT NX2E4X Manual Rev 2 1 AMC Four Channel SSI Network Interface an es ea ieee cn seis E AE mie cme eie NX2E4D Hardware Overview Sensor 1 Sensor 2 Sensor 3 Sensor 4 1234567 1234567 1234567 1234567 Power Power LDT Status LEDs Statis OOOO AMCI Connector 1 2 3 4 RS485 GND 24 VDC 10 O3 Nexus Digital Interface DeviceNet Status LEDs Switches for Node Switch 1 PAA Address and Baud onnector Rate DeviceNet Connector Pin Number Function Standard Wire Color 1 24Vdc Red Note The NX2E4D will 2 Can High White draw 16mA 24Vdc of 3 Shields Bare current from the DeviceNet 4 Can Low Blue Network 5 Common Black Node Address and Baud Rate Selection The NX2E4D uses eight DIP switches to select the Node Address and the Baud Rate Switches 1 and 2 set the Baud rate and switches 3 to 8 set the node with switch 8 being the least significant bit The following table shows the possible switch setting combinations The DIP switch package is mounted so that the numbers are upside down However 1 or ON is still in the up position and 0 or OFF is in the down position The state of the switch settings is only taken into account at power up Baud Rate ssn
32. ll function normally even if the LED is disabled By default only the channel 1 LED is enabled 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 18 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com anama NX2E4X Manual Rev 2 1 AMI Four Channel SSI Network Interface Programming Sequence 1 The controller s program writes the data into the output registers The controller s program then sets the Transmit Bit 3 When the module detects the 0 to 1 transition of the transmit bit it will respond by setting any error bits in the channel status words and the Acknowledge bit which is bit 15 in the channel status word 4 When the controller s program sees that the Acknowledge bit is set it will examine any error bits and then reset the Transmit Bit 5 The module will reset the Acknowledge bit 6 The programming sequence is now complete EEPROM Parameter Memory Parameter values are stored in a non volatile EEPROM memory This memory type can store parameter values in the absence of power for over twenty years but you can only write to it a limited number of times before it will be damaged The EEPROM that AMCI uses is guaranteed for a minimum of 100 000 write cycles Every time the Apply Preset command is issued the NX2E4X calculates and stores an offset value in its EEPROM memory If your application requires you to continuously Apply the Preset Value consider performing the preset operat
33. nt from the network to the NX2E4X Channel Word Function Range Default All 0 Control See Description Below 1 Configuration See Description Below 2 Number of SSI Clock Bits 1 to 32 24 3 MSB Number 1 to 32 1 1 4 Number of Data Bits 1 to 28 24 5 Scalar Multiplier 1 to Divisor 1 6 Scalar Divisor 1 to 32767 1 7 Upper 4 Digits Preset Value sign 8 Lower 4 Digits Preset Value SS ae ance o 9 Configuration See Description Below 10 Number of SSI Clock Bits 1 to 32 24 11 MSB Number 1 to 32 1 2 12 Number of Data Bits 1 to 28 24 13 Scalar Multiplier 1 to Divisor 1 14 Scalar Divisor 1 to 32767 1 15 Upper 4 Digits Preset Value sign 16 Lower 4 Digits Preset Value SADAO 9 17 Configuration See Description Below 18 Number of SSI Clock Bits 1 to 32 24 19 MSB Number 1 to 32 1 3 20 Number of Data Bits 1 to 28 24 21 Scalar Multiplier 1 to Divisor 1 22 Scalar Divisor 1 to 32767 1 23 Upper 4 Digits Preset Value sign 24 Lower 4 Digits Preset Value SENUR 0 25 Configuration See Description Below 26 Number of SSI Clock Bits 1 to 32 24 27 MSB Number 1 to 32 1 4 28 Number of Data Bits 1 to 28 24 29 Scalar Multiplier 1 to Divisor 1 30 Scalar Divisor 1 to 32767 1 31 Upper 4 Digits Preset Value sign 32 Lower 4 Digits Preset Value aca oes eae 2 Note 1 The Number of SSI Clock Bits must be greater than or equal to the sum of the MSB Number
34. odule From the Module Type list that appears select 1756 ENET B the 1756 Ethernet Bridge module Type a name for the Bridge module which must begin with a letter in the Name field Enter the slot number where the 1756 ENET B module is located in the ControlLogix rack In the Address Host Name field select the IP Address and enter the address 192 168 000 XXX where XXX can be a unique number between 1 and 254 Click the Finish button From the project tree right click on the 1756 ENET B module and select New Module 10 Select ETHERNET MODULE Generic Ethernet Module from the list that appears and click on OK 11 In the module properties that appear enter the following parameters SO Hr eee reset Name Your Choice must begin with a letter Comm Format Data INT must be Data INT IP Address 192 168 000 X XX where XXX is the number entered on the DIP switches Assembly Instance Size Input 100 28 Output 150 33 Configuration 110 0 12 Click on Next 13 Select the RPI time minimum 3ms 14 Click on Finish 15 Save and download the program to the ControlLogix rack 16 While online with the PLC right click on the Ethernet Bridge module and select Properties Click on the Port Configuration tab and modify the following fields Enable Bootp Unselected This will allow the data to be manually entered in the IP address and Domain Name fields IP Address 192 168 000 X XX must be the same as step 7 above Subnet
35. patent liability is assumed by AMCI with respect to use of information circuits equipment or software described in this manual The information contained within this manual is subject to change without notice UNDER NO CIRCUMSTANCES WILL ADVANCED MICRO CONTROLS INC BE RESPONSIBLE OR LIABLE FOR ANY DAMAGES OR LOSSES INCLUDING INDIRECT OR CONSEQUENTIAL DAMAGES OR LOSSES ARISING FROM THE USE OF ANY INFORMATION CONTAINED WITHIN THIS MANUAL OR THE USE OF ANY PRODUCTS OR SERVICES REFERENCED HEREIN Standard Warranty ADVANCED MICRO CONTROLS INC warrants that all equipment manufactured by it will be free from defects under normal use in materials and workmanship for a period of 18 months Within this warranty period AMCI shall at its option repair or replace free of charge any equipment covered by this warranty which is returned shipping charges prepaid within 18 months from date of invoice and which upon examination proves to be defective in material or workmanship and not caused by accident misuse neglect alteration improper installation or improper testing The provisions of the STANDARD WARRANTY are the sole obligations of AMCI and excludes all other warranties expressed or implied In no event shall AMCI be liable for incidental or consequential damages or for delay in performance of this warranty Returns Policy All equipment being returned to AMCI for repair or replacement regardless of warranty status must have a Re
36. r 12 Determining Multiplier and Divisor 12 Preset Value 13 Apply Preset 13 Count Direction 14 Rate Update Time 14 LED Enable 14 Input Registers Chapter 3 15 Status Word Status Bits 16 Output Registers Chapter 4 17 Control Word 18 Configuration Word 18 Programming Sequence 19 EEPROM Memory 19 Network Configurations Chapter 5 20 NX2A4D DeviceNet 20 NX2A4E Ethernet IP 22 NX2A4P Profibus 25 NX2A4T Modbus TCP IP 28 Revision History Chapter 6 32 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 2 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com ansam NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface General Information Important User Information The products and application data described in this manual are useful in a variety of different applications Therefore the user and others responsible for applying these products described herein are responsible for determining the acceptability for each application While efforts have been made to provide accurate information within this manual AMCI assumes no responsibility for the application or the completeness of the information contained herein Throughout this manual the following two notices are used to highlight important points WARNINGS tell you when people may be hurt or equipment may be damaged if the procedure is not followed properly CAUTIONS tell you when equipment may be damaged if the procedure is not followed properly No
37. resolutions to US Customary resolutions For example to convert data from a LDT sensor with 5um count resolution to 0 0005 inch count resolution use a Multiplier of 50 and a Divisor of 127 LDT Desired Resolution Resolution 000005 0 0001 0 0002 0 0005 0 001 0 002 0 005 1 100 50 23 10 5 5 1 um 127 127 127 127 127 254 127 gt 100 50 20 10 3 2 pm 127 127 127 127 127 127 5 125 50 25 25 5 ym 127 127 127 254 127 i 100 50 25 10 pm 127 127 127 127 100 50 20 20um 27 127 127 100 40 40um 27 127 Use the following procedure to calculate your Scalar Multiplier and Divisor values if either your LDT Resolution or Desired Resolution does not appear in the above table Conversion Factor Desired Resolution counts inch LDT Resolution counts inch Step 1 Convert your LDT resolution from um to inches For example you are using a sensor with 1 um resolution lum Imm linch 0 00003937 inches count 25400 counts inch 1000 um 25 4 mm Step 2 Determine the number of counts per inch for the desired resolution For example if you want to measure with 0 0001 inch resolution 0 0001 inch count 10000 counts inch 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 12 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com anama NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Step 3 D
38. rofibus network Apply power to the Nexus unit Start the SST Profibus Configuration software Either create a new or open an existing network If it has not already present register the Nexus unit s GSD file AnyBPRfB GSD This file is available for download from our website www AMClLcom O Por SEON Click on Library in the toolbar and then select Add GSD file Choose the directory where the GSD file is located and then select the file When registered this module will appear under Slaves as HMS Fieldbus Systems AB ANYBUS S PDP 10 If SST PBF SLC module is not already present click on Masters Click and drag the Master Rev 1 4 into the network Right click on it and configure it according to your system s requirements 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 26 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface 11 Under slaves click and drag the ANYBUS S PDP module into the network The setup window will appear e Under the General tab set the station number to match the station number set by the rotary switches on the Nexus unit e Click on the Modules tab and then click on Add The NX2E4P must be set for 28 input words and 33 output words Ifa different number of words is programmed Network LED 3 will flash indicating an Error in the Configuration The input words can be located in either the Input Im
39. sed and stored in the Nexus Unit s Flash Memory overwriting older IP settings 6 The Nexus Unit will now join the network with the newly set IP configuration 7 Ifa BootP server is not found the Nexus Unit will use the IP configuration that had been previously stored in its flash memory 8 Cycle power to the NX2E4E The changes to the IP address will not be permanent until power has been cycle 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 22 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMI Four Channel SSI Network Interface Ethernet Address Selection using the DIP switches The NX2F4E uses an IP address of 192 168 000 XXX where XXX can be any number between and 254 Eight dip switches on the NX2E4E are used to set the XXX portion of the address Switch 8 the left most switch is the least significant bit and switch 1 the right most switch is the most significant bit The address is programmed using the following procedure 1 Determine the address of the NX2E4E It can be any unused address between 1 and 254 Convert the address to a binary number A value of 50 will be 0011 0010 3 Enter the address on the dip switches Continuing the above example switches 8 6 5 2 and 1 will be off down and switches 7 4 and 3 will be on up Ethernet Status LEDs The following table describes the function of the four network status LEDs Function
40. select the Output Type to be MO Set the offset value assigned to the 64 byte value plus 32 e Click on OK to accept 12 Save the network file 13 Right click on the Master Module and select Connect from the menu that appears 14 Click on Yes if asked to retain the configuration 15 Again right click on the Master Module and then select Load Configuration from the menu that appears 16 Place the PLC in Run mode 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 27 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface NX2E4T Modbus TCP IP Hardware Overview Sensor 1 Sensor 2 Sensor 3 Sensor 4 Power Status Power oooo L__ AMCI Connector GND 24 VDC LDT Status LEDs Nexus Digital Interface Address DIP switches Switch 1 RJ45 Ethernet Connector Ethernet Status LEDs Changing the Modbus TCP IP Address The NX2E4T has a default IP address of 192 168 000 XXX where XXX can be any number between 1 and 254 and is set by the dip switches located on the front of the module Use the following procedure if you want your IP address to be something other than 192 168 000 XXX 1 Remove power from the Nexus Unit 2 Set all of the unit s dip switches to the OFF Down position This will set the unit s address to 0000 0000 3 Start and configure your BootP server Any DHCP BootP server running on a comp
41. turn Merchandise Authorization number issued by AMCI Call 860 585 1254 with the model and serial numbers along with a description of the problem A RMA number will be issued Equipment must be shipped to AMCI with transportation charges prepaid Title and risk of loss or damage remains with the customer until shipment is received by AMCI 24 Hour Technical Support Number Technical Support in the form of documents FAQs and sample programs is available from our website www amcei com 24 Hour technical support is also available on this product For technical support call 860 585 1254 Your call will be answered by the factory during regular business hours Monday through Friday 8AM 5PM EST During non business hours an automated system will ask you to leave a detailed message and the telephone number that you can be reached at The system will page an engineer on call Please have your product model number and a description of the problem ready before you call 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 3 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com ansam NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface NX2E4X Hardware Overview Sensor 1 Sensor 2 Sensor 3 Sensor 4 1234567 1234567 1234567 1234567 Power P Status ower oOoo0oo0o0o AMCI Connector 1 2 3 4 LDT Status LEDs RS485 GND 24 VDC Nexus Digital Interface Network Status and Interface
42. ue will appear to count up and down if you use the MSB Number and Number of Data Bit parameters to read only some of the data bits Data Logic This parameter is included to handle situations where the SSI data is reported with negative logic If this parameter is set the NX2E4X will invert the data bits before performing any scaling and decoding operations When left in its default value of positive the NX2E4X module will use the SSI data as it is from the sensor 20 Gear Drive Plymouth Industrial Park Terryville CT 06786 page 11 Tel 860 585 1254 Fax 860 584 1973 E mail sales amci com FYT T NX2E4X Manual Rev 2 1 AMICI Four Channel SSI Network Interface Once the NX2E4X module has extracted the SSI data from the data stream it uses the Data Setup Parameters to convert the raw SSI data into the Data Value it reports to the PLC Scalar Multiplier amp Divisor These two parameters are used to scale the SSI data Both parameters have a default value of one and can range in value from 1 to 32 767 The Scalar Multiplier must be less than or equal to the Scalar Divisor In other words the ratio of Multiplier to Divisor CANNOT be greater than one Linear displacement transducers from Balluff and MTS have resolutions measured in um count The NX2E4X module can easily convert this data into the more familiar US Customary system of inches The table below shows the Multiplier and Divisor values needed to convert from various metric
43. uter which is connected to the same network may be used for this purpose Please note that the Nexus Unit s MAC ID address is located on a label on the module s cover 4 Apply power to the Nexus Unit 5 At power up the module will attempt to get an IP address by sending several BootP requests This operation will require approximately 30 seconds At this point LED2 will be flashing green If retrieved the IP configuration will be used and stored in the Nexus Unit s Flash Memory overwriting older IP settings 6 The Nexus Unit will now join the network with the newly set IP configuration 7 Ifa BootP server is not found the Nexus Unit will use the IP configuration that had been previously stored in its flash memory 8 Cycle power to the NX2E4T The changes to the IP address will not be permanent until power has been cycle Modbus TCP IP Address Selection using the DIP switches The NX2E4T uses an IP address of 192 168 000 XXX where XXX can be any number between and 254 Eight dip switches on the NX3A1X are used to set the XXX portion of the address Switch 8 the left most switch is the least significant bit and switch 1 the right most switch is the most significant bit The address is programmed using the following procedure 1 Determine the address of the NX2E4T It can be any unused address between 1 and 254 2 Convert the address to a binary number A value of 50 will be 0011 0010 3 Enter the address on th
44. xpected range 1 to 32767 Set if the Scalar Multiplier is outside the range of 1 to 32767 or if the multiplier parameter is greater than the divisor parameter Set if the preset value is outside of the range of 268 435 455 Set if any of unused bits in the command word are set or if you try to both program the Setup Data and Apply the Preset value to a channel in one programming sequence Set if an attempt is made to program a channel if an error already exits on a different channel This bit will not be set if the same channel is programmed a second time with incorrect data This bit will be 0 if the data value is increasing or 1 if the data value is decreasing The bit will remain in its last state when there is no motion This bit will be 0 if the data value is positive or 1 if the data value is negative To use multiply the combined data value by 1 whenever this bit is set This bit will be set if there has been no motion for the last portion of the Velocity Update Time This bit will be set if the rate of change value exceeds 232 counts per second When this occurs the last valid value is sent to the processor Set on EEPROM or PLD fault Set when the NX2E4X detects that Transmit bit is set in the output registers This bit is present only in the channel 1 status word page 16 E mail sales amci com NX2E4X Manual Rev 2 1 Four Channel SSI Network Interface Chapter 4 Output Data Data se
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