Niobrara Research & Development
Contents
1. 2007 Niobrara Research amp Development Corporation CUCM TSX Compact Programmable Communication Module Description Niobrara s TSX Compact Universal Communications Module CUCM O amp CUCM OE are programmable serial communication modules for Schneider Automation s TSX Compact PLC with two serial ports a PLC interface Indica tor LEDs a real time clock a TCP IP stack two application areas and internal registers The CUCM OE offers an additional Ethernet port Uses for the CUCM Data Concentrator e Read data from external devices and or the PLC e Allow external devices and or the PLC to write data to the CUCM e Both the PLC and external devices can read the gathered data e Time stamp data for later retrieval Protocol Converter e Allow devices with different protocols on separate ports to communicate e The PLC can use standard MSTRs to read write non Modbus devices e Non Modbus devices and read write the CUCM or the PLC Add PLC Modbus Master ports RTU or ASCII e Read write Modbus Slaves devices from the PLC or the User Application e Use MSTRs to read Ox 1x 3x 4x values e Use MSTRs to write Ox coils and 4x holding registers Add PLC Modbus Slave ports RTU or ASCII e Read write and program the PLC e Read and write the CUCM Repeater e Connect the CUCM as a slave on one port and allow the Master to access additional slave devices on the other port Email client Send and receive e mails for alarm condit2. 3964R e ENRON Daniel Modbus e Caterpillar EMCP Genset e Cutler Hammer INCOM e Caterpillar 3500 Engines e GE Multilin 169 Plus e DNP 3 0 e Johnson Controls N2 Metasys Dupline I O e Mitsubishi UPS Each of the serial ports can be individu ally configured to speak one of many protocols Allen Bradley DF1 Siemens SEAbus amp SEAbus Elliott Flow Computer Simpson Hawk meters Ethernet Port CUCM OE only The single 10BaseT RJ45 Ethernet port defaults to Modbus TCP protocol The CUCM has a TCP IP stack which the user s application can access for easy implementation of various application layer protocols Several application layer protocols have been implemented examples are available online e HTML HTTP e SNMP Client or server e Cutler Hammer INCOM e SMTP e Chat e Telnet e FTP e POP3 e DNS Backplane The programmer has a choice of backplane interfaces The CUCM can be either an I O Module or an Option Adapter When the CUCM is configured as an option module e The backplane acts as a bidirectional Modbus port giving both the TSX Compact processor and the CUCM access to the other s register space e The PLC can be programmed from the CUCM e Using standard MSTRs the PLC can speak new Serial Protocols e Requires a free slot in the main rack As an I O module the CUCM can be used e In any slot in any TSX Compact rack local distributed or remote e In applications that require fewer th
3. 5 configurable Non volatile Setup Registers 4x registers accessible by PLC across backplane or by external device through any port stored in non volatile RAM PLC Interface Configurable as either an option module or an I O module As an I O module up to 32 words in 32 words out in any rack Requires 258 265 275 285 CPU Rev 2 07 or greater Memory Two 128K byte FLASH areas for Application storage with Application 2 having a possible 256K bytes 32K bytes of Non volatile RAM memory for variables 8K bytes of Application accessible FLASH Two 128K bytes of Non volatile RAM memory as files Niobrara Research amp Development Corporation P O Box 3418 Joplin MO 64803 800 235 6723 417 624 8918 www niobrara com
4. an 32 registers in and 32 registers out LEDs Real Time Clock The CUCM has eight LEDs under Application control It also has LEDs to indicate Application 1 RUN Application 2 RUN Port 1 transmit and receive Port 2 transmit and receive Ethernet transmit and receive as well as Module Active Ready Run Link Collision and Fault A real time clock is available to the applications and is especially useful for scheduling events or time stamping data PLC Requirements e TSX Compact PLC 258 265 275 285 only Compact PLC Executive 2 07 or greater Niobrara Research amp Development Corporation www niobrara com Ordering Information The CUCM is available as e CUCM O with two switchable RS 232 RS 485 ports e CUCM OE with two switchable RS 232 RS 485 ports one 10BaseT Ethernet port Related Equipment The CUCM has the following equipment available e BB85 DIN rail mount breakout box RJ45 to screw terminal connector w MMO cable e DDC2I Optically isolated RS 232 to RS 485 converter DIN rail mount w MMO cable e MM1 PC to CUCM configuration cable e TPH Twisted pair Ethernet cable connect CUCM OE to a hub or switch e CNOE 211 Ethernet Option Module for Compact e CNOE 800 Ethernet amp Serial Option Module for Compact Schneider Automation holds a patent for serving web pages from a PLC If the CUCM is used to serve web pages from the Compact PLC a license is required This license is available from NR amp D
5. at additional cost or from Schneider Automation Specifications Warranty Manual The CUCM is furnished with a user manual on cd and carries a one year warranty from the date of shipment During the warranty period free firmware upgrades are available See Niobrara s Standard Terms and Conditions of Sale for additional warranty information Dimensions Single width Compact module 1 6 wide by 5 5 tall by 4 5 deep 40 x 140 x 114 mm Power Requirements From Compact bus 5 VDC 350 550 mA Operating Conditions 0 to 60 degrees C humidity up to 90 noncondensing pressure altitude 200 to 10 000 feet MSL Ethernet Port CUCM OE only 10BaseT with front mounted RJ45 connector Ethernet Protocols Defaults to Modbus TCP TCP amp UDP Others as defined by user s application Serial Ports Two front mounted RJ45 connectors switch selectable RS 232 or RS 485 50 75 110 134 5 150 300 600 1200 1800 2400 4800 7200 9600 or 19 200 baud 7 or 8 data bits odd even or no parity 1 or 2 stop bits Serial Protocol Defaults to Modbus RTU or PPP Others as defined by user s application Indicators LED indicators for MODULE Power Busy Error PLC run Backplane Comms Active App1 Run amp App 2 Run ETHERNET Active Error Link and Collision SERIAL PORTS Tx amp Rx for each port USER APPLICATION 8 under user control 6 green 2 red 23 total indicators Mailbox Registers 2 048 4x registers Available at Modbus address 25
6. ed at no extra charge Applications developed for the QUCM can be run in the CUCM See the application notes for the QUCM at http www niobrara com html qucm_apn html Although the CUCM is designed for user programming many companies choose to have Niobrara write their CUCM code Contact Niobrara for a quote Application Areas The CUCM can run two simultaneous applications Both applications have access to the PLC back plane the serial ports the LED array the real time clock the TCP IP stack and the internal registers The applications can be independent or they can cooperate using mailbox registers to exchange data Serial Ports The two serial ports on the CUCM are switch selectable RS 232 or RS 485 They use Modicon s pin outs so standard cables work well They are independently configurable as to baud rate parity data bits and stop bits Write the protocol of your equipment to e Bea Master or a Slave device while multidropping up to 32 devices off of either port e Build a Protocol Converter e Build a Data Concentrator for serial or Ethernet devices e Use the PLC to trigger messages to printers or signs e Bring data into the PLC from barcode readers scales and other ASCII devices e Build a gateway to allow ASCII devices onto the Ethernet network e Dial out to your ISP and communicate on the Internet using PPP Several serial protocols have been implemented in various products and are available online e
7. ions Web server e Access device data and configure setup parameters with a web page Gateway e Allow Ethernet clients to access PLC and serial slaves e Allow serial master to access PLC and Ethernet servers Applications The engineers at Niobrara have written several applications e Interfacing an ACCU SORT Scanner to a TSX Compact PLC e Interfacing Modbus RTU master to 3694 R devices All trademarks and registered trademarks are the property of their respective owners Eftective 03 August 2007 specifications subject to change without notice Printed in USA e Interfacing Modbus RTU master to an Allen Bradley DF1 device e Interfacing Modbus RTU master to ENRON Daniel Modbus Slaves e Gathering data from Simpson Hawk meters for the TSX Compact PLC The source code for these applications is available at www niobrara com The applications can be used as is or modified to solve your PLC communication problem or used as examples to start your own CUCM application development QUCM Language The CUCM is programmed via Niobrara s QUCM language The language has a BASIC like structure which makes it easy to read and follow Powerful language extensions for data communications and PLC interfacing make it ideal for use as a PLC communication language ATCP IP stack is built in making it easy to write application layer protocols using TCP UDP PPP and IP The language is compiled for the fastest possible execution The compiler is includ
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