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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.
Communication Module
• OMR-6510: RS-422/RS-485 Repeater
• OMR-6520: RS-232 to RS-422/RS-485 Converter
• OMR-6530: USB to RS-422/RS-485 Converter
Analog Input Modules
• OMR-6011: Multifunction High Gain Analog Input
Module (with DI/O)
• OMR-6011D: Multifunction High Gain Analog Input with
5 ½ digit LED Display (with DI/O)
• OMR-6012: Analog Input Module (with DI/O)
• OMR-6012D: Analog Input Module with 5 1/2 digit LED Display (with DI/O)
• OMR-6013: 3-channel RTD Input Module
• OMR-6014D: Analog (Transmitter) Input Module with
5 1/2 digit LED Display
• OMR-6017: 8-channel Analog Input Module
• OMR-6018: 8-channel Thermocouple Input Module
Analog Output Modules
• OMR-6021: Single Channel Analog Output Module
• OMR-6024: 4-channel Analog Output Module (with DI)
Digital I/O Modules
• OMR-6050: Module with 7 DI channels and 8 DO channels
• OMR-6052: Isolated Digital Input Module
• OMR-6053: 16-channel digital Input Module
• OMR-6054: 15-channel digital Input Module
• OMR-6056: 15-channel digital Output Module
• OMR-6058: 28-channel programmable digital I/O Module
• OMR-6060: 4-channel Relay Output & Digital Input Module
• OMR-6063: 8-channel Relay Output Module
• OMR-6080: Counter/Frequency Input Module
1.4 EIA RS-485 Standard
The EIA RS-485 interface is a communication standard developed for multi-dropped systems that can
communicate at high rate over long distance. The standard RS-485 can operate at speed up to 10 M bps over
cable length up to 4000 feet.
The RS-485 interface can support up to 32 drivers / receivers on the same line. This allows actual networking
applications on a parity line system (sometimes called multi-drop).
The RS-485 uses differential transmission on a balance line. Its easy wiring makes it popular to use in
industrial applications.