ABB PP345 3BSC690104R2 Process Panel

The EPIC-2 features four on-board 16550-based serial channels located at standard PC I/O addresses. COM1 and COM2 are RS-232 (115.2K baud) serial ports. IRQ lines are chosen in the CMOS Setup. COM3 and COM4 can be operated in RS-422 or RS-485 modes. Additional non-standard baud rates are also available (programmable in the normal baud registers) of up to 115k baud. IRQ lines are chosen in the CMOS Setup. Each COM port can be independently enabled or disabled in the CMOS setup screen. COM PORT CONFIGURATION There are no configuration jumpers for COM1 and COM2 because they only operate in RS-232 mode. Use the CMOS setup to select interrupts for the COM ports. Jumper block V2 is for termination of the RS-422/485 differential pairs. See the Jumper Summary for details on termination configuration.

COM3 / COM4 RS-485 MODE LINE DRIVER CONTROL 

COM3 and COM4 can be configured in RS-422 or RS-485 interfaces. As an RS-422 interface two twisted pairs will be used per COM port, and for RS-485 only one twisted pair will be used, see Table 6. To control the line drivers use board control register 1DAh.Enable COM4 RS-485/422 Receiver on J9 pins 8 and 9. 0 Disable COM4 RS-485/422 Receiver. Note For many systems this can be left always enabled. For RS-485 systems the same bytes transmitted will be received if this bit is enabled. This can be used for collision detection

Parallel Port 

The EPIC-2 includes a standard bi-directional/EPP/ECP compatible LPT port which resides at the PC standard address of 378h. The port can be enabled or disabled and interrupt assignments can be made via the CMOS setup screen. The LPT mode is also set via the CMOS setup screen. This connector uses IEC 61000-4-2-rated TVS components to help protect against ESD damage.PARALLEL PORT FLOPPY DISK The parallel port on the EPIC-2 can be used as a floppy disk interface. Select “FDD” as the LPT mode in the CMOS setup and connect a floppy disk drive to the parallel port via the CBL/CBR2501 cable to use this feature.

Application industry

The products can be used in the following industries: power plant, paper making, steel, mining, rubber, water supply, cement, chemical industry, glass, printing

Textile, machinery, plastics, coatings, medicine, hospitals, food, hotels, scientific research institutions

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