Acces ICOM-2S User Manual
                                | |
Contents
| 
ICOM-2S Manual1-2 Manual MICOM-2S.EbAuto and Manual Transceiver ControlRS485 communications requires the transmitter driver to be enabled and disabled as needed, to allowall cards to share the communications line. The ICOM-2S card has two methods to control the driver:automatic (Auto) and request to send (RTS) control.With automatic control, the driver is enabled when data is ready to be transmitted. The driver remainsenabled for the transmission time of one character after data transfer is complete. The ICOM-2Sautomatically adjusts it's timing to the baud rate of the data. When operating with Windows programs,you must use the Auto mode.With RTS control, your software must set the RTS bit to a logic 1 to enable the driver and logic 0 todisable the driver.Led MonitorsTwo LED indicators are provided on the ICOM-2S card. The LEDs blink to indicate activity on thetransmitting and receiving lines and are useful for problem diagnosis. The blinking is more visible atslower speeds as high speed communication blinks the LEDs too fast for the eye to follow.Communication ModesModel ICOM-2S supports Simplex, Half-Duplex, and Full-Duplex communications in a variety of 2and 4-wire cable connections. Simplex is the simplest form of communications with transmissionsoccurring only in one direction. Half-Duplex allows traffic to travel in both directions, but only onedirection at a time. In Full-Duplex mode data travels in both directions at the same time. RS485communication only supports Half-Duplex because the same pair of signal lines are used fortransmitting and receiving.CE MarkingIf your card is CE-marked unit, it meets requirements of EN50081-1:1992 (Emissions),EN50082-1:1992 (Immunity), and EN60950:1992 (Safety). |
Related manuals for Acces ICOM-2S
This manual is suitable for:
manualsdatabase
Your AI-powered manual search engine