Instruction/ maintenance manual of the product OMR-6520 Omega Engineering
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M-3581 for OMR - 6520 RS - 232 to RS - 422/RS - 485 Converter OMR - 6510 RS - 422/RS - 485 Repeater User’s Guide.
Contents i Contents 1. INTRODUCTION ............................................................................................ 1 - 1 1.1 W HAT IS OMR ? .................................................................................. 1 - 1 1.2 O UTSTANDING F EATURES OF OMR .
Introduction 1 - 1 1. Introduction 1.1 What is OMR ? OMR is a series of data acquisition modules. It provides a total solution of the data acquisition network and control system.
1 - 2 Introduction A surface coating covers on the PCB and electronic components of the OMR. It allows superior resistance to harsh environment such as humidity, salt spry and mos t harsh chemicals.
Introduction 1 - 3 1.3 OMR - 6000 series products overview The OMR - 6000 series provides the complete sets of data acquisition modules, including the communication modules, the analog input modules, the analog output modules, and the digital I/O modules.
1 - 4 Introduction 1.5 RS - 485 on OMR The OMR improves the RS - 485 capability for minimizing the user‘s cost. On each OMR module, a half - duplex RS - 485 transceiver is used to communicate with other modules.
Introduction 1 - 5 Figure 1 - 2 Branch Topology Figure 1 - 3 Free Topology 1.7 Constructing a OMR Network Go through the following steps, the user can construct an OMR network easily. 1. Setup an OMR - 6520. 2. Connect the host computer with the OMR - 6520.
1 - 6 Introduction 1.8 Termination Bus In order to avoid signal reflections on the bus, each bus segment has to be blanked off at its physical beginning and at its end with the characteristic impedance. A termination resister (Rt) is installed for this purpose.
Introduction 1 - 7 1.10. How to Calculate Checksum Value Format of OM R Commands (LeadingCode)(Addr)(Command)(Data) [Checksum] <CR> When checksum is enable then [Checksum] is needed, it is 2 - character.
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OMR - 6520 2 - 1 2. OMR - 6520 2.1. Overview What is OMR - 6520 ? OMR - 6520 is a RS - 232 to RS - 422/RS - 485 converter, it converts the RS - 232 signal to the RS - 422/RS - 485 signals. The OMR - 6520 can be considered as an extension RS - 422/RS - 485 serial port for the host computer.
2 - 2 OMR - 6520 Specifications of OMR - 6520 ² Input • Interface : standard RS - 232 9 pin female D - type connector • Speed (bps) : 1200(115.2K 1 ), 2400, 4800, 96 00, 19.
OMR - 6520 2 - 3 A Look at OMR - 6520 & Pin Assignment (RS-232 IN) OMR-6520 (Y) DATA+ (G)DATA- (R)+Vs (B)GND RS-232 to RS-485 /RS-422Converter Switch Position Baud Rate SW1: ON RTS CTRL SW2: ON SW3: ON SW4: ON SW5: ON SW6: ON SW7: ON 115.2K bps bps 2400 bps 4800 bps 9600 bps 19.
2 - 4 OMR - 6520 Pin Definitions Pin # Signal Name Description 1 (Y)DATA+ RS - 485 transmission line, positive 2 (G)DATA - RS - 485 transmission line, negative 4 TX+ RS - 422 transmission line, positi.
OMR - 6520 2 - 5 Functional Block Diagram Power Regulator & Filter Power Input +10V ~ +30V +5V GND Isolation +5V Isolation GND DC to DC Converter TXD RXD RTS GND Receiver RS-232 / Driver SW1 Opto-.
2 - 6 OMR - 6520 2.2. Setup Objective of Setup In normal condition, it is not necessary to setup the OMR - 6520. The default configuration of this communication module is 9600 bps and data format of 8 data bits with 1 start bit, 1 stop bit, and no parity check.
OMR - 6520 2 - 7 SW2 Setting ON OFF 1 2 SW2 Default Setting Start Bits : 1 Data Bits : 8 Stop Bits : 1 Parity : None 1 2 Start Bit Data Bits Stop Bit Parity Packet Data Bits 1 7 1 0 OFF OFF 1 6 1 1 9 1 8 1 0 OFF ON 1 7 1 1 10 1 9 1 0 ON OFF 1 8 1 1 11 1 10 1 0 ON ON 1 9 1 1 12 2.
2 - 8 OMR - 6520 Figure 2 - 1 Application wiring of OMR - 6520 2.4 Pro gramming The OMR - 6520 is a communication module, it is not necessary to be programmed.
OMR - 6510 3 - 1 3. OMR - 6510 3.1. Overview What is OMR - 6510 ? The OMR - 6510 is the RS - 422/RS - 485 signal repeater which is used to extend or to lengthen the network distance. A OMR bus can connect up to 128 modules. The repeater should be used when the numbers of the modules excess 128.
3 - 2 OMR - 6510 OMR-6510 (Y)DATA+ (G)DATA- (R)+Vs (B)GND RS-422/RS-485 Switch Position Baud Rate SW1-1: ON 115.2K bps SW1-2: ON SW1-3: ON SW1-4: ON SW1-5: ON SW1-6: ON 2400 bps 4800 bps 9600 bps 19.
OMR - 6510 3 - 3 Pin Definitions Pin # Signal Name Description 1 (Y)DATA+ RS - 485 transmission line, positive 2 (G)DATA - RS - 485 transmission line, negative 4 TXIN+ RS - 422 transmission input line.
3 - 4 OMR - 6510 OMR - 6510 Functional Block Diagram Power Regulator & Filter Power Input +10V ~ +30V +5V GND TVS : Transient Voltage Suppresser PTC : Positive Temperature Coefficient Data+ Data- .
OMR - 6510 3 - 5 3.2. Setup Objective of Setup In normal condition, it only needs to setup the OMR - 6510 when the OMR bus with more than 128 modules or the distance exceeds 4000 feet long. The default configuration of this communication modu le is 9600 bps and data format of 8 data bits with 1 start bit, 1 stop bit, and no parity check.
3 - 6 OMR - 6510 ON OFF 1 2 SW2 Default Setting Start Bits : 1 Data Bits : 8 Stop Bits : 1 Parity : None 1 2 Start Bit Data Bits Stop Bit Parity Packet Data Bits 1 7 1 0 OFF OFF 1 6 1 1 9 1 8 1 0 OFF ON 1 7 1 1 10 1 9 1 0 ON OFF 1 8 1 1 11 1 10 1 0 ON ON 1 9 1 1 12 3.
OMR - 6510 3 - 7 Application Wiring Figure 3 - 1 OMR - 6510 wiring. 3.4 Programming The OMR - 6510 is a communication module, it is not necessary to be programme d +DATA DATA+ - DATA DATA - +Vs GND + .
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Install a Brand - New OMR 4 - 1 4. Install a Brand New OMR 4.1 Initialize a Brand - New OMR Objective of Initializing a Brand - New OMR All OMR modules. except OMR - 6520 and OMR - 6510, in a RS - 485 network must have an unique address ID, however, every brand - new OMR has a facto ry default setting as following: • Baud rate is 9600 bps.
4 - 2 Install a Brand - New OMR 6. Power on the power supply for OMR modules. 7. Use the OMR Administrating utility to configure the address ID, Baud rate and check - sum status of the module. 8. Power of the local power supply. 9. Disconnect the DEFAUL T* pin.
Install a Brand - New OMR 4 - 3 Initialization Wiring Figure 4 - 1 Layout for Configuring the OMR module 4.2 Install a New OMR to a Existing Network Equipments for Install a New Module • A existing OMR network • New OMR modules. • DC Power supply (+10 to +30 V DC ).
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Software Utility 5 - 1 5. Software Utility 5.1 Software Installation 1. Insert “ADLink All - in - one CD” into your CDROM driver. 2. Move cursor on OMR and click. 3. Move cursor on OMR 6000 Admin Utility and click. 4. Select the driver you want to install and follow the setup instructions on screen.
5 - 2 Software Utility 5.3 OMR A dministration Function Overview Default RS - 232 Communication Port Setting. l Communication Port : COM2 l Baud Rate : 9600 l Data Bits : 8 l Stop Bits : 1 l Parity : None 5 .3.1 Change RS - 232 Communication Port Setting.
Software Utility 5 - 3 5.3.3 Using Operations Operation - Terminal : Terminal Emulation, user can input command and get response message. Operation - Configuration : Select one exist OMR module and select Configuration to do t his module‘s common and private setting .
5 - 4 Software Utility Operation - Run Batch : Run batch command file in BATCH.CMD user ca n edit this text file. Operation - Step Batch : Run the batch command step by step.
Software Utility 5 - 5.
5 - 6 Software Utility C a l ICON for Operation - Calibration This dialog is different by different - fuction modules. 5.3.4 Save and Print OMR modules’ information File - Save : Save all exist OMR modules information as display as in the listbox in the current RS - 485 network.
Software Utility 5 - 7 5.3.5 Version Information Help - About Version information.
5 - 8 Software Utility.
Troubleshooting and Maintenance 6 - 1 6. Troubleshooting and Maintenance Preventive Maintain • Periodic check for loose connection ATTENTION: To avoid electircal shock or unintended operation of the module, remove incoming power before checking connections.
An important point after buying a device Omega Engineering OMR-6520 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Omega Engineering OMR-6520 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Omega Engineering OMR-6520 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Omega Engineering OMR-6520 you will learn all the available features of the product, as well as information on its operation. The information that you get Omega Engineering OMR-6520 will certainly help you make a decision on the purchase.
If you already are a holder of Omega Engineering OMR-6520, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Omega Engineering OMR-6520.
However, one of the most important roles played by the user manual is to help in solving problems with Omega Engineering OMR-6520. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Omega Engineering OMR-6520 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
