OpenDAC® I/O System OPENDAC® I/O SYSTEM OpenDAC ® I/O System Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com Contents: OpenDACOpenDac® I/O System OPENDAC® I/O SYSTEM Low Cost Remote I/O System FEATURES • Compatible with Present Systems • Communicates within third party hardware and software • Ethernet Version Page Network Interfaces OpenDAC® for Ethernet .............................................................................................. 2 OpenDAC® for Modbus .............................................................................................. 4 OpenLT (Optomux) ..................................................................................................... 6 OpenDAC® for Profibus ............................................................................................. 8 Racks 16 Channel ............................................................................................................... 10 OpenDAC ® I/O System OpenDAC® I/O System The OpenDAC® family is a compact, low cost and flexible I/O system that is used for remote data requisition and control. Each network interface is capable of interfacing with one or two OpenDAC® I/O racks that allow a maximum of 32 channels of OpenLine® I/O modules. With the exception of the OpenLT™, they do not have the capability of running embedded control programs (ECPS). If this is a requirement, please review the OpenLine® Control System. OpenDAC® I/O racks are not compatible with the OpenLine® Controllers. OpenDAC Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 1 OpenDAC® I/O System NETWORK INTERFACES OpenDAC® for Ethernet FEATURES • Use Ethernet to Control/Monitor up to 32 Analog and/or Digital I/O Channels using OpenLine® I/O Modules • Network Multiple OpenDACs® • 10Base-T and 100Base-TX Support • Extremely Fast Response Times over Network • Support Modbus/TCP Protocol and HTTP • Use Web Browser for Configuration, Monitoring and Control of I/O modules • Diagnostic LEDs • CE Certified ETHERNET UNIT ON OPENDAC® SYSTEM • DIN Rail Mounting • Modbus TCP APPLICATIONS GENERAL DESCRIPTION The OpenDAC® for Ethernet network inter- Each OpenDAC® incorporates a communication Stand Alone Control face is a remote slave that responds to watchdog timer that monitors communication Modbus/TCP commands that it receives over from the Modbus/TCP master. When the Local Control & I/O the network. The status and configuration of watchdog is enabled and the slave does not up to 32 OpenLine® analog or digital I/O chan- receive a valid Modbus/TCP message within a Remote I/O nels is stored and constantly refreshed. specified time, the OpenDAC® will set all output OpenDAC® for Ethernet is self-configuring. On modules to the stored fault-state values. Should Distributed I/O power up, the controller will identify the types a valid message be received, the timer is reset of I/O modules present. The unit will then con- and communication resumes. All configuration SCADA tinuously scan and update the digital and ana- parameters are displayed and modified using a log modules. Digital input channels can be web browser. The configuration parameters RTU setup for latching operation. The OpenDAC® are password protected to provide security OpenDAC for Ethernet supports the OpenLine® Smart against unauthorized access. Module Protocol (SMP) that allows field cali- bration and parameter setup of I/O modules. ® I/O System ANALOG & DIGITAL I/O ® Each OpenDAC or third party device on the MODULES network is assigned a unique IP address. There OpenDAC® for Ethernet connects directly to are three methods of assigning the internet one or two 16 channel racks. Any combination protocol address -BOOTP, DHCP, and a static of analog and digital I/O modules may be used. method. The controller is shipped with the default On power up, the OpenDAC® scans and stores IP address of 128.0.0.1. The IP address can be the I/O configuration and makes the information changed using a web browser. The web browser available to the master. can also be used to select BOOTP or DHCP to assign the IP address. Communication data In addition to simple On/Off instructions, the rates are either 10 Mbps or 100 Mbps. OpenDAC® allows you to: OpenDAC® automatically detects whether it is • Read linearized thermocouple and RTD connected to a 10Base-T or 100Base-TX temperature values network, eliminating switch settings and • Detect rising or falling edges simplifying set up. Network and controller status • Latch momentary input events can be monitored by status LEDs. • Set the level of analog outputs OpenDAC 2 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com OpenDAC® I/O System DIMENSIONS In inches (and millimeters) 4.1(104,26) 3.9 (99,56) OpenDAC for Ethernet DEFAULT CONFIG POWER RESET STAT DIN RAIL LATCH LINK 2.6 (65.48) 2.3 (57.17) PIN 1 TO CENTERLINE OF DIN RAIL CHANNEL SPECIFICATIONS ORDERING INFORMATION Supply Voltage: 4.80 to 5.25 Vdc Supply Current (less modules): 1.0 amp Part Number Description max. Ethernet Network Interface Operating Temperature: -40 to 85°C Humidity: 5-95% non-condensing 72-ETH-T000 Analog/Digital OpenDAC® for Ethernet Housing Material: ABS/Polycarbonate blend Ethernet User’s Manual and Software CPU: Net+ARM 40 Connections: 72-UM-OETH OpenDAC® for Ethernet user’s manual Network: RJ-45 72-UM-ETH OpenLine® for Ethernet user’s manual Passive Rack: 48-Pin Euro DIN (male) 72-UOL OpenLine®/OpenDAC® configuration and product data Range of Network (without repeaters): 72-UME-DLL32 Ethernet/Modbus DLL for Windows 95/98/NT 100 meters with CAT 5 UTP Compatible Components OpenDAC OpenDAC® I/O Racks Analog OpenLine® I/O Modules Digital OpenLine® I/O Modules Power Supply ® I/O System Available from your local authorized Grayhill Distributor. For prices and discounts, contact your local sales office, an authorized Distributor or Grayhill. OpenDAC Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com 3 OpenDAC® I/O System NETWORK INTERFACES OpenDAC® for Modbus FEATURES • Each Unit Controls/Monitors up to 32 Analog and/or Digital I/O using OpenLine® Modules • Network up to 247 OpenDACs® per Host PC, Each Separated by as much as 4,000 Feet • Communicate Over RS-422/485 at Speeds from 9600 Baud to 56.7 KB • 100% Modbus ASCII or Modbus RTU Compatible • CE Certified • DIN Rail or Panel Mount MODBUS UNIT ON OPENDAC® SYSTEM APPLICATIONS GENERAL DESCRIPTION OpenDAC® for Modbus is an inexpensive, format to code the command and the response Stand Alone Control flexible interface to 32 analog or digital messages. Application programs running on OpenLine® I/O. As one of 247 slave devices on the host computer issue commands and then Local Control & I/O a Modbus network, OpenDAC® for Modbus await responses from the OpenDAC®. The constantly scans and stores the current status communications speed is switch selectable Remote I/O of each I/O. Upon command from the host between 9600 and 56700 baud. The entire device, the controller will change the status of network can span 4000 feet. Distributed I/O an output or return the value of an input. The slave address is switch selectable. Diagnostic FAULT TOLERANCE SCADA LEDs provide troubleshooting assistance. Each OpenDAC® for Modbus has an internal communications watchdog timer to minimize OpenDAC RTU ANALOG & DIGITAL I/O the impact of a broken Modbus link between the OpenDAC® for Modbus connects directly to two controller and the master device. If activated, 16 channel racks. Any combination of analog the timer must be reset by an incoming message ® within the prescribed period of time. If not, the I/O System and digital I/O modules may be used. On power up, the OpenDAC® scans and stores the I/O controller will force it’s outputs into a default configuration and makes the information state. available to the master for query. SOFTWARE In addition to simple On/Off instructions, Modbus Software drivers are available which simplify commands allow you to: the task of interfacing host programs written in • Read linearized thermocouple and RTD Visual Basic or C to the Modbus network. Sample temperature values programs, set-up and debug utilities are included • Count pulses at frequencies up to 1000Hz on the disk with the drivers. Interface drivers for • Detect rising or falling edges most third party software packages are available • Latch momentary input events through their distributors. Our DLL will assist • Set the level of analog outputs you in building custom Man-Machine Interfaces using Visual Basic, Visual C/C++, or Borland COMMUNICATIONS compilers running on Windows 95, 98 or NT. The host computer and OpenDAC® for Modbus communicate serially over one or two pair of twisted wires per RS-422/485 in a multi-drop configuration. They use Modbus ASCII or RTU OpenDAC 4 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com OpenDAC® I/O System DIMENSIONS In inches (and millimeters) 4.1(104.26) 1.1 3.9 (99.56) (28.22) DIN RAIL LATCH 1.0 (25.86) 3.0 (75.69) 2.6 (65.48) 2.3 (57.17) PIN 1 TO CENTERLINE OF DIN RAIL CHANNEL SPECIFICATIONS ORDERING INFORMATION Power Supply: 4.75 to 5.25 Vdc Supply Current (less modules): 1 amp @ 5 Part Number Description Vdc max. OpenDAC® Network Interface Operating Temperature: 0 to 60°C Humidity: 95% non-condensing 72-MOD-4000 Analog/Digital OpenDAC® for Modbus Microprocessor: V25 @ 10 MHz Housing Material: ABS/Polycarbonate blend OpenDAC® User’s Manual and Software Connections: ® RS-422/485: 5 position depluggable connector 72-UM-OMOD OpenDAC for Modbus user’s manual Passive Rack: 48-pin Euro DIN (male) 72-UME-DLL32 Ethernet/Modbus DLL for Windows 95/98/NT Serial Data: 72-UOL OpenLine® configuration and product data Format: 10 Bit ASCII: 1 Start, 1 Stop, 8 Data OpenDAC Integrity: Message Checksum Compatible Components Range of Network: Compliant with EIA/TIA OpenDAC® I/O Racks RS485-A (1 standard load per controller).