SCADALink DC100 Data Concentrator User Manual
Contents
1. REMOTE SITE 2 3 DI poen smx soo Al REMOTE SITE 1 2 DO SLAVE 4 REMOTE SITE 2 4 Figure 5 Point to Multipoint I O Telemetry Description This mode enables a DC100 to poll multiple remote sites via a data radio connected to the Polling port and to make the polled data available on terminals of I O modules physically connected to the DC100 s I O Bus Configuration 1 2 3 Configure COM2 Serial port parameters Configure COM2 Modbus parameters Configure O to Register poll to read Modbus address 1 DI to DC100 I O Bus position 3 b Source Device port Polling RTU Address 1 c Destination Device port Internal d Data Settings i Read from I O module DI8 ii Module Address 1 i Signal No 1 2 iv Write to register 00033 00034 See Appendix B v Write command single coil Repeat step 3 for Modbus address 2 and 3 Aug 7 2012 12 DC100 Data Concentrator User Manual 8 2 Point to Multipoint I O Telemetry with SCADA MASTER of SITE E aa E REMOTE axo DI REMOTE SCADA SS SITE 1 SLAVE 8 SITE 2 HOST SMX 900 MASTER Sl f EH smx 900 DI DO COM 2 SLAVE 8 8 AO DO DI 1 Serial or Ethernet 4 8 8 gt 3 DO REMOTE SITE 3 4 lt enore SITE 2 3 DI REMOTE smx 900 Al REMOTE SITE 1 2 DOC SITE 3 SLAVE 4 REMOTE SITE 2 4 DO lt D 4 Figure 6 Point to Multipoint I O Telem2. Parameter Description Min Typ Max Units POWER Vin Input voltage reverse polarity protected 10 30 V lin note 1 Input current 12V 50 mA Input current 24V 25 mA RELAY PWR pin Vout Secondary power voltage Vin 0 5 V lout Secondary power current 250 mA SERIAL COMMUNICATIONS Async 7 8 data bits parity o e none stop 1 2 speed up to 115 Kbps flow control rts rts amp cts none COMO RS 232 RJ 11 COM1 RS 232 4 pin terminal block COM2 RS 232 or RS 485 4 pin terminal block COMS RS 232 4pin terminal block COM4 RS 232 4 pin terminal block ETHERNET COMMUNICATIONS ETHO 10 100 Base T status LEDs RJ 45 INPUTS amp OUTPUTS DI pin Active low input switched to GND Vin ESD protected clamped 30 V lin Clamped by resettable fuse mA Resetable fuse 125 mA DO pin Open drain output sinking Vout 30 V lout 50 mA Resettable fuse 125 mA SWP pin Switched power reverse polarity protected Vout Vin 0 5 V lout 2 A RELAY NO pin Isolated relay output Normally Open Vout 30 V lout AC or DC 50 mA RELAY NC pin Isolated relay output Normally Closed Vout 30 V lout AC or DC 50 mA PHYSICAL Dimensions 4 5 x 1 8 x 3 9 Inches 114 x 45 x 99 mm Mounting 35 mm DIN rail ENVIRONMENTAL Operating Temp 45 70 Celcius Relative Humidity Non condensing 90 96 MISC ELECTRICAL Connection 4 pin terminal block
3. flathead screw terminals 12 24 AWG Battery Battery backup for RAM and realtime clock LED 10 LEDs Status Alarm COM port Tx COM port Rx Recessed h ardware reset button located above reset Ethernet port AGENCY APPROVALS Hazardous Location CSA Class Div 2 Group C D T3C Ta temperature 40 70 Celcius Notes 1 Current is measured for no load condition Aug 7 2012 5 DC100 Data Concentrator User Manual 3 Installation amp Wiring 3 1 Mounting and Power Connection NOTE All terminal block plugs are keyed to headers to prevent accidental insertion 3 Mount the DC100 onto a 35mm DIN rail Use a flathead screwdriver to pry open the spring loaded plastic clip on the bottom of the DC100 package position and release the clip so that the DC100 snaps tightly and securely onto the DIN rail Connect a regulated 10 30VDC power supply to the and power supply screw terminals of the power supply terminal block plug via 12 24 AWG multistrand wire Observe proper polarity Insert the plug into the DC100 power supply header 3 2 Data Connection The DC100 has 5 serial ports COMO to COM4 and a 100Base T Ethernet port with auto detection ETHO COM to COM4 are connected via 4 pin screw terminal plugs using a small flathead screwdriver and 12 24 AWG multi strand wire See DC100 side label COM to COM4 are DTE RS 232 ports with TX RX RTS amp GND COMO can be used as a Firmwa
4. Reverse Polarity Protection 4 GND Power Negative 5 NO Relay NO Contact 30Vdc 50mA max not used in this firmware 6 NC NC Contact 30Vdc 50mA max not used in this firmware 7 COM Common Relay Pole 8 PWR Sourced Vin 0 5V 250mA max O P 9 RTS COM1 RS 232 Connect to a PLC RTU DCS or SCADA 10 TX Host Can be a Modbus Master or Slave Or 11 RX Configuration Parameter Port to GUI 12 GND 13 SWP Special Switched Power Vin 0 5V 14 TX Reserved for future use 15 RX 16 GND 17 GND COM2 RS 232 Connect to a PLC RTU DCS or SCADA 18 RX Host Can be a Modbus Master or Slave Runs 19 TX simultaneous to COM2 RS 485 port same data 20 RTS data rates and port settings 25 TX COM2 RS 485 Connect to a PLC RTU DCS or SCADA 26 Host Can be a Modbus Master or Slave Runs 27 RX simultaneous to COM2 RS 232 port same data 28 RX data rates and port settings 21 GND RS 232 Connect to a PLC RTU DCS SCADA 22 RX Host Can be a Modbus Master or Slave 23 TX 24 RTS 29 GND COM4 RS 232 Connect to a PLC RTU DCS or SCADA 30 RX Host Can be a Modbus Master or Slave 31 TX 32 RTS ETHO Ethernet 10 100 Base T 8 pin RJ45 COMO RJ11 Firmware Loading Port Or Connect to a PLC RTU DCS or SCADA Host Can be a Modbus Master or Slave Or Configuration Parameter Port to GUI Aug 7 2012 DC100 Data Concentrator User Manual 2 2 Specifications Table 2 Hardware Specifications
5. be replicated at another remote site in a Point multipoint system without the need of a SCADA Host The DC100 does the transfer by polling 2 different addresses on the same port Configuration 1 Configure COM2 Serial port parameters 2 Configure COM2 Modbus parameters 3 Configure an I O to I O poll on COM2 a Source Device Settings Device port Polling RTU address 1 b Destination Device Settings Device port Polling RTU address 2 c Data Settings i Source I O module DI8 ii Source module address 1 iii Source signal number All iv Dest module DO8 v Dest module address 2 vi Dest Signal number All Aug 7 2012 16 DC100 Data Concentrator User Manual 8 5 I O from remote DC100 on Ethernet bus replicated on local DC100 I O module REMOTE SITE LOCAL SITE IP 10 47 125 48 MODBUS ADDRESS 13 MODBUS TCP PORT 503 INTERNET WAN LAN Figure 9 I O from remote DC100 on Ethernet bus replicated on local DC100 I O module Description In this mode 8 DI from another remote DC100 in module position 1 with Modbus TCP IP address 10 47 125 49 Port 502 RTU address 13 on an Ethernet bus is replicated on the local DC100 s DO8 module in position 3 Configuration Configure ETHO Network port parameters Configure ETHO Modbus Master parameters Determine the remote DC100 s Ethernet Modbus Slave address and ports Configure an O to Register poll a Source Device port Network xi IP Addres
6. BENTEK SYSTEMS LTD SCADA amp Telemetry Control Systems 315 3750 46 Ave S E Instrumentation Calgary Alberta T2B 0L1 Operator Interfaces ph 403 243 5135 fax 403 243 5165 Data Communications SCADALink DC100 Data Concentrator User Manual Aug 7 2012 This Page Blank Contact Information Technical Assistance available during regular business hours 8 00 A M 5 00 P M Mountain Time Phone 403 243 5135 FAX 403 243 5165 Email support scadalink com Web www scadalink com Shipping Address Bentek Systems Ltd 315 3750 46th Ave S E Calgary Alberta T2B 011 Canada Attn Repairs Aug 7 2012 TABLE OF CONTENTS VOVGEVICW HE 1 2 Hardware aede orani qu 3 2 1 Hardware Features oun eoo odia delude deiode 3 22 OC INCA MONG ars toad dia M 5 3 Installation amp Wiring c Sei 6 3 1 Mounting and Power Connection essere 6 32 Data iniecit E 6 4 Setting Up a Configuration Session sse 7 5 Data Architecture 8 5 1 The Internal Registers aai prr E deu RE Rb cies 8 5 2 Modbus Request Response sse eene 8 5 3 DOTOO Data Transfer eee entes 9 6 Configuration nb abe Et t e ae 10 T mor 11 8 Configuration Example
7. DEM DCE Figure 12 COM1 COM2 TERMINAL BLOCK to DB9M DCE Aug 7 2012 20 DC100 Data Concentrator User Manual A3 COM1 COM2 Terminal Block to DB25M DCE 13 25 RTS IS CONNECTED ONLY IF REQUIRED BY THE DCE DEVICE e g MDS4710B 1 COM2 TERMINAL BLOCK DTE 14 DB25 MALE SOLDER SIDE EG TO MDS4710 DCE Figure 13 COM1 COM2 TERMINAL BLOCK to DB25M DCE Aug 7 2012 21 DC100 Data Concentrator User Manual A4 COM2 RS 485 Terminal Block Wiring OTHER DEVICES OTHER DEVICES 22 2 WIRE HALF DUPLEX RS 485 NETWORK RS 485 SLAVE DC100 MASTER TII RS 485 SLAVE DEDICATED BUS 4 WIRE FULL DUPLEX RS 485 NETWORK DC100 IN MASTER MODE RS 485 MASTER RS 485 SLAVE Ie DC100 SLAVE DEDICATED B BUS 4 WIRE FULL DUPLEX RS 485 NETWORK DC100 IN SLAVE MODE NOTE Connect all GND terminals together Figure 14 COM 2 RS 485 Multidrop Wiring Aug 7 2012 22 DC100 Data Concentrator User Manual A5 DB9M to COMO RJ11 Firmware Loading Cable Bentek Systems Part Number CBL 100 FIRMWARE RJ11 SIGNALS DBS MALE SOLDER SIDE COMO RJ11 PLUG Figure 15 DB9M DTE to RJ11 COMO plug for firmware loading only Aug 7 2012 23 DC100 Data Concentrator User Manual Appendix C Diagnostics After startup use the HyperTerminal as a telnet client to connect to port 23 at the DC100 IP address t
8. ator User Manual Interface to third party Modbus devices Functionality over wired or wireless Interface to serial or Ethernet networks Easy configuration and setup via a simple to use Windows Graphical User Interface GUI This manual is divided into the following sections Overview Hardware description Installation instructions Setting up a configuration session Data architecture GUI layout navigation and configuration parameters Operation Configuration examples Appendix with cables diagnostics firmware upgrade Aug 7 2012 DC100 Data Concentrator User Manual 2 Hardware Overview 2 1 Hardware Features Major features of the DC100 are shown in Figure 1 below POWER DI DO COM 1 RS 232 i FG RELAY HARDWARE RESET BUTTON ETHERNET PORT gt COM 2 RS 232 COM 0 FIRMWARE LOADING PORT 2 RS 485 COM 3 RS 232 I O BUS INTERFACE COM 4 RS 232 Figure 1 DC100 Hardware Major Features Figure 2 Top View Terminal Blocks Aug 7 2012 3 DC100 Data Concentrator User Manual Table 1 Port Pinouts PIN No NAME FUNCTION DESCRIPTION 1 DI Power Discrete Input Active Low switched to GND 30VDC 125mA resettable fuse 2 DO Discrete Output Open Drain 30VDC 50mA max Sinking 125mA resettable fuse ESD protect 3 PWR 10 30VDC 50mA 12Vdc
9. automatic Once the unit is properly installed and configured operator actions are limited to observing the front panel LED status indicators for proper operation If all parameters are correctly set start DC100 operation by following these steps 1 Apply DC power to the DC100 2 Observe the LED status for the proper indications Table 3 LED Function LED Description STATUS Solidly lit Power is good and Firmware running Off No Power or Firmware not running ALARM Flashes Red Poll Error Data not received by configured amount of retries COM1 Tx Flashes when there is TX on COM1 COM1 Rx Flashes when there is RX from COM1 COM2 Tx Flashes when there is TX on COM2 COM2 Rx Flashes when there is RX from COM2 COMS Tx Flashes when there is TX on COM3 Rx Flashes when there is RX from COM3 COM4 Tx Flashes when there is TX on COM4 COM4 Rx Flashes when there is RX from COM4 Ethernet RJ45 Collision Detect Green LED Ethernet RJ45 Link Activity Yellow LED Aug 7 2012 11 DC100 Data Concentrator User Manual 8 Configuration Examples 8 1 Point to Multipoint Telemetry e MASTER 900 DI WIE T Nc y SITE 1 SLAVE 8 SITE 2 SMX 900 MASTER QX J DI smx 900 DI DO COM2 SLAVE 8 8 DC DO DI 100 4 8 8 4 DI REMOTE SITE 3 4 roe
10. d an entire concentrated block of all the remote 015 entire block of all DO s and an entire block of all the Al s Configuration Configure COM2 Serial port parameters Configure COM2 Modbus parameters Configure COM1 Serial port parameters Configure COM1 Modbus Slave address Configure O to Register poll to read Modbus address 1 2 DI s to DC100 general purpose register e Source Device port Polling RTU Address 1 f Destination Device port Internal g Data Settings i Read from I O module DI8 position 1 and 2 ii Module Address 1 ii Signal No 1 2 v Write to register 00163 00164 general purpose register v Write command single coil 6 Configure I O to Register poll to read Modbus address 2 4 DI s to DC100 general purpose register a Source Device port Polling RTU Address 2 b Destination Device port Internal c Data Settings HERRE Aug 7 2012 14 DC100 Data Concentrator User Manual vi vil viii ix x 7 Configure remai Read from I O module DI8 Module Address 1 Signal No 1 2 3 4 Write to register 00165 00166 00167 00168 See Appendix B Write command single coil ning and 4 as in steps 5 or 6 above Aug 7 2012 15 DC100 Data Concentrator User Manual 8 4 Remote I O to Remote I O Transfer REMOTE SITE 1 smx MASTER REMOTE SITE 2 MASTER SITE Figure 8 Remote I O to Remote I O Description In this mode I O data from one remote site can
11. etry with SCADA Description This mode is exactly the same as the first example however a SCADA Host is now added to poll the remote I O data concentrated in the DC100 For this example we will assume the SCADA Host is connected to the Ethernet port ETHO Configuration 1 Configure exactly as in the first example but in addition also configure 2 Configure ETHO Comm Settings network parameters to match SCADA Host settings 3 Configure ETHO Modbus Slave Settings RTU Address 4 SCADA Host now polls the Internal port using the memory map in Appendix B to read values out of the DC100 Aug 7 2012 13 DC100 Data Concentrator User Manual 8 3 Data Concentration with PLC DCS RTU MASTER gt REMOTE 0 DI SITE jas S SITE 1 SLAVE 8 SITE2 SMX 900 NE EI 201 SMX900 pig DO COM2 SLAVE 8 PLC DC NOTE A RTU 100 CONCENTRATED REGISTER 4DI gt 3 DO DCS MAP READ WRITE 51 PLC RTU DCS std He E READ REMOTE SITE 1 2 DI 35 232 REMOTE SITE 2 4 DI WRITE REMOTE SITE 2 3 DO 4Al READ REMOTE SITE 3 4 Al Figure 7 Data Concentration with PLC RTU DCS Description In this mode remote I O data of the same type is concentrated in similar contiguous blocks in the general registers not the I O synchronized registers enabling the PLC to rea
12. f many small ones e Improving polling frequency e Reduce communication costs e Interface systems equipment with incompatible protocols e Generate and provide physical I O to from intelligent remote devices e Enable I O communication between remote sites in a point multipoint system without the need for a SCADA Host The DC100 e Stores concentrated I O data that can be polled by a host computer or PLC e Stores concentrated I O data that it can write it to a host PLC RTU DCS e Replicates remote I O data as physical I O connected to the data concentrator The DC100 Data Concentrator can be used for SCADA Applications for sites where there are multiple devices such as VFD Flow Computers RTU EFM PLC Pump Controllers It comes with RS 232 RS 485 and one 100Base T Ethernet port User configuration via a simple menu driven GUI interface allows users to easily configure Master ports Slave ports and up to 96 separate I O polls The combination of ease of configuration and multiple ports makes the DC100 a powerful solution for point to multipoint SCADA and I O concentration applications The DC100 is part of the SCADALink family of rugged compact SCADA and telemetry products It can be easily integrated with other SCADALink family devices as well as legacy hard wired I O systems or SCADA PLC systems It offers flexible features such as e Easy snap on connection to SCADALink SMX 900 I O modules Aug 7 2012 1 DC100 Data Concentr
13. hat you have entered Whenever entering commands make sure the HyperTerminal has the focus by clicking on it You may have to do a call to disconnect then connect two times to get a response Commands can be entered as either upper or lower case since they are case insensitive The version command should be the first you try Then try the time command with no parameter That will show you what the real time clock is set to Then try the time command with a W3C datetime to set the clock to the correct time All commands that can be used on the command line are listed in the D100 GUI help Aug 7 2012 24 DC100 Data Concentrator User Manual Appendix D Firmware Upgrade Firmware can be field upgraded for feature upgrades or bug fixes Upgrading new firmware requires 1 DBYM to RJ 11 firmware loading cable for COMO Bentek Systems Part No CBL 100 FIRMWARE See Appendix A 2 DC100 firmware loading program running on a PC 3 DC100 firmware file These files are contained in the DC100 GUI which can be downloaded from the Bentek website Use the Tools Load Firmware menu item Aug 7 2012 25
14. her remote location Aug 7 2012 9 DC100 Data Concentrator User Manual 6 Configuration The DC100 GUI application is used to configure the DC100 s ports and to define the data transfers between them The GUI can be downloaded from the Bentek website or copied to your hard drive from a CD provided for that purpose Always install the GUI from your hard drive and not directly from an external device 88 Network SCADALink DC100 Serial Digital 1 0 E Data Transfer The SCADALink DC100 Data Concentrator can be used for 1 0 Polls point to multipoint telemetry over radio systems such as SMX 900 data H Connections concentration or a combination of I O telemetry and data concentration Modbus IP Serial Mux It s VO bus interface enables connection of up to 8 SCADALink I O modules 3 Modbus RTU and with built in serial and ethernet ports it can act as a submaster to a Modbus IP Slave SCADA Host collecting data from remote sites in a hardwired system or PLC Modbus Serial Slave systems that cannot poll For more information see Help gt Contents or the SCADALink DC100 Home Page Not connected Figure 3 DC100 GUI A detailed description of the application is provided in the GUI Help Aug 7 2012 10 DC100 Data Concentrator User Manual 7 Operation Once configuration is complete recycle power and allow DC100 to reset In service operation of the DC100 is completely
15. if you wish to configure by Ethernet in the future 6 Configure parameters for your application See section Configuration Parameters and Configuration Examples for explanations and examples for setting parameters When configuration is done remove programming cable and turn power off Connect cables and equipment as per your application Restart the power The DC100 should enter RUN mode after about 5 seconds The Status LED should be on COON Aug 7 2012 7 DC100 Data Concentrator User Manual 5 Data Architecture The DC100s basic function is to transfer data from the Source port to the Destination port NOTE Any port that has been selected to be a Source or Destination is automatically a Master port not a Slave If the Host port is selected as a Source or Destination ensure that the Modbus Setting is also a Master 5 1 The Internal Registers There are two types of internal registers 1 1 O Internal registers synchronized to I O modules 2 General purpose registers There are 3 blocks of internal registers each having 500 memory locations 1 Coils 2 Discretes 3 Inputs 4 Holdings Holdings and inputs are grouped together in one block A detailed register map is in the DC100 GUI help at Help gt Registers The internal registers play a critical role for data concentration When the DC100 polls data from a number of remote sites the collected data can be written into a contiguous block in the ge
16. neral registers These can then be read or written out all at once by an external device connected to the DC100 5 2 Modbus Request Response When entering Polls the DC100 GUI provides 2 methods for entering internal register numbers 1 Register number convention enter a number from 1 to 500 2 I O Bus numbering convention use I O Bus position 1 to 8 and signal numbers To calculate the register number when using the I O Bus convention use Appendix B to translate I O Bus module position and signal number to a register number between 1 to 162 Aug 7 2012 8 DC100 Data Concentrator User Manual Data addresses are used in Modbus Request Response messages Register numbers start at 1 wheras Modbus data addresses start at 0 A register number is therefore converted into Modbus data address by subtracting one 5 3 DC100 Data Transfer The power and flexibility of the DC100 lay in its ability to connect a DC100 user port with another DC100 user port This configuration is done in the GUI Data Transfer menu Through the GUI Data Transfers menu the user can define data transfers polls In particular users can define the same port as both source and destination This is useful if the user needs to transfer data from one remote site to another For example If the polling port is both a source and destination and if it is connected to a Point Multipoint radio system it could read data from one remote location and write it to anot
17. re Loading Port in this software version See Appendix A for cable COMO can also be used for data and has a cable for that purpose Ethernet port can auto detect straight thru or crossover cable Aug 7 2012 6 DC100 Data Concentrator User Manual 4 Setting Up a Configuration Session The DC100 Data Concentrator s behavior is set by configuration parameters found in the Data Concentrator GUI application running on a PC with a serial programming cable connected to either of COMO COM1 or an Ethernet cable connected to the Ethernet Port ETHO NOTE If you are configuring a new factory DC100 you must use a COM port and configure the IP network settings and password for future Telnet configuration Cable Requirements Serial DB9M DTE to 4 pole Terminal Block cable Bentek Systems Part No CBL 100 USER See Appendix A Ethernet Normal Ethernet Cable Software Requirements Installer for the SCADALInk DC100 GUI Application Download this from the Bentek website or copy from the provided CD to your hard drive Steps 1 Plug in the serial or Ethernet cable 2 Insert DB9M side of cable into your programming PC 3 Apply power to the DC100 The status LED should light red to indicate status If it does not check your power connections and power supply 4 Click on the DC100 GUI installer The DC100 main menu will appear 5 If you are configuring a new DC100 go to the Comm Network menu and configure all network settings
18. s dier eec dick gid eines 12 8 1 Point to Multipoint I O 2 440244 4 1 0 2 0 00 0000 0 0000 1 0 03 12 8 2 Point to Multipoint I O Telemetry with 13 8 3 Data Concentration with 5 2 14 8 4 Remote I O to Remote I O Transfer sse 16 8 5 I O from remote DC100 on Ethernet bus replicated on local DC100 I O tris ere an 17 8 6 Generating Analog Outputs Corresponding to EFM Flowcomputer 18 Registers Valles e cde MC dU e eH 18 Troubleshooting ea uoo ee A aet naut e us 19 Appendix A Cabling Examples sse 20 Appendix C Diagnostics sse 24 Appendix D Firmware 2222 2 25 Aug 7 2012 ii DC100 Data Concentrator User Manual 1 Overview This document summarizes the installation operation and configuration of the SCADALink DC100 Data Concentrator The DC100 is a powerful and easy to configure multiport controller used for concentrating and redistributing I O data in SCADA amp Telemetry systems Data concentration provides the following useful functions e Provide polling capabilities to PLC DCS systems that have no polling capabilities e Reduce communication load to a central site by polling one large packet instead o
19. s 10 47 125 49 xii Address xii Modbus address 13 xiv Port 502 xv Protocol Modbus TCP b Destination Device port Internal c Data Settings xvi Read from I O module DI8 xvi Module Address 3 xviii Signal No All xix Write to register 00033 00040 See Appendix xx Write command single coil BODDE Aug 7 2012 17 DC100 Data Concentrator User Manual 8 6 Generating Analog Outputs Corresponding to EFM Flowcomputer Registers Values SMALLER EFM PLC DCS or RTU used for Control or could be input to ROC103 MODBUS or third party measurement ECHART WITH COM monitoring RTU EF M ANALOG OUTPUT Modbus Address 1 STATIC PRESSURE Figure 10 Generating Analog Outputs from EFM register values Description In this mode the DC100 can generate analog outputs for devices such as smaller EFM s that have inadequate or no external analog outputs and which only output internal Modbus registers serially Configuration 1 Configure COM2 Serial port parameters 2 Confiugre COM2 Modbus port parameters 3 Configure an Register I O poll a Source Device port Polling i RTU Address 1 b Destination Device port Internal c Data Settings i Read from Register XXYYY ii Read command Inputs ii Write to I O Module A04 iv Module Address 1 v Signal No All Aug 7 2012 18 DC100 Data Concentrator User Manual 9 Troubleshooting Check obvious things
20. such as cabling power and physical connections before doing any of the following checks No I O appearing on I O Module Check configuration on both Source and Destination vs real physical system to see if you have configured Module correctly Correct position on I O bus configured Correct type of module configured Correct address in internal memory configured If you are reading from a register check to make sure port is configured correctly If there is an external polling device make sure it is working SCADA Host getting wrong data Check Modbus address of DC100 to make sure SCADA Host is polling the right address Check the port being polled to make sure it s a Slave and configured properly Check the SCADA Host poll s memory location and block size Make sure it s the same as where the data is being stored and the amount of data being stored there Aug 7 2012 19 DC100 Data Concentrator User Manual Appendix A Cabling Examples A1 DB9M DTE to COM1 or COM4 Terminal Block Bentek Systems Part Number CBL 100 USER COM1 OR TERMINAL DB3 MALE SOLDER SIDE BLOCK DTE DTE NOTE Used for COM1 parameter configuration or COM1 or COM4 serial data Figure 11 DB9M DTE to COM1 COM4 TERMINAL BLOCK A2 COM1 COM Terminal Block to DB9M DCE HOTE RTS IS CONNECTED ONLY IF REQUIRED BY THE DCE DEVICE COM1 COM2 TERMINAL BLOCK DTE DBS MALE SOLDER SIDE EG TO SMX 800 RADIOMO
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