Omega Engineering OMR-6520 manual

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 ................................................. 1 - 1 1.3 OMR - 6000 SE[...]

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. You can remotely cont rol up to 256 OMR modules on RS - 485 network. All you need is to use a host computer, like a PC (Personal Computer), with one RS - 232 serial port f[...]

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. Com munication Module • OMR - 6510: RS - 422/RS - 485 Repeater • OMR - 6520: RS - 232 to R[...]

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. A single twisted pair of wi res, which provides standard differential transmission, is used to transmit and receive data between 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. 3. Setup one or more OMR - 6510 if necessary. 4. Connect the OMR - 6510 to extend to RS - 48[...]

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. The Rt value - 120 Ω ± 2% is recommended, and the detailed connection of Rt can be re[...]

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. [Checksum] = ( (LeadingCode)+(Addr)+(Command)+(Data) ) MOD 0x100 Example 1: checksum is disable User Command : $012<CR> Response : !01[...]

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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. A standard 9 - pin D - type connector is used to connect th[...]

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, 19.2K, 38.4K, RTS • Data Format : 9 bits, 10 bits, 11 bits, or 12 bits ² Output • Interface : RS - 485, differential, 2 half - duplex wires RS - 422, differential, 4 full[...]

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 19.2K bps 38.4K bps TX+ TX- RX+ TX-[...]

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, positive 5 TX - RS - 422 transmission line, negative 6 RX+ RS - 422 receiving line, positive 7 RX - RS - 422 receiving line, negative 9 (R)+VS OMR power sup[...]

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-Isolation Switching Communication Controller Direction Control Communication TVS : Transient Voltage Suppresser PTC : Positive Temperature Coefficient[...]

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. Note that the data format is reserved to be compatible with ot her brand‘s communicati[...]

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 2.3. Installation Software Utility Software is not necessary for this mo[...]

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. In addition, the repeater should also be used when the[...]

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 19.2 K bps 1 10 DATA+ (Y) DATA- (G) 38.4 K bps Repeapter Tx+ Tx- Rx+ RX- 20 Tx+ Tx- Rx+ Rx- 11[...]

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, positive 5 TXIN - RS - 422 transmission inpu t line, negative 6 RXOUT+ RS - 422 receiving output line, positive 7 RXOUT - RS - 422 receiving output [...]

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- Rx+ Rx- Tx+ Tx- PTC TVS SW1 Communicatio n Switching Controller Control Communication Direction RS-422/RS-485 Receiver/Driver Data+ Data- Rx+ Rx- Tx+ [...]

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. Note that [...]

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 3.3 Installation Software Utility Software is not necessary. Equipment s for Install[...]

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 + DATA - DATA +Vs GND Local Power Supply +10 V to +30 V +Vs GND OMR module OMR - 6510 Repeater DATA + DATA - +Vs GND OMR module[...]

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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. • Ad[...]

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. 10. Configure the OMR - 6520 to desired Baud rate. 11. Power on the local power supply 1[...]

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 ). Installing Procedure 1. Configure the new OMR module according the initializa[...]

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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 How to Execute the OMR Administration Wha[...]

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. Choose “Network - ComPort” to change setting. 5.3.2 Search all exist OMR modules Choose ?[...]

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 . Operation - Monitor: Monitor all the module’s function on the network. Operat[...]

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. Operation - Display Batch : Display content of BATCH.CMD Operation - Repeat : Repeat one command n times D iag ICON for Operation - Diagnostic This dialog is di fferent by dif[...]

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. File - Print : Print the OMR module information in the listbox. File[...]

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. Using the LED Indication The LED provides status information on Modules operation. The tro[...]