Bio-Rad BioLogic Signal Import Module (SIM) - Manual (Page 18)

DESCRIPTION OF BIOLOGIC DUOFLOW SYSTEM SYSTEM OVERVIEW
2-5
2.1.2 USB Bitbus Communicator
The USB Bitbus Communicator is used to connect the Controller to DuoFlow system instrument bus and to
supply power to the instrument bus when a Signal Import Module (SIM) is used
Table 2-3.
USB Bitbus Communicator
Description
Used to connect to the Controller USB port by way of a USB cable (catalog number
760-2032).
Indicates that there is power to the USB Bitbus Communicator.
Is used to supply power to the USB Bitbus Communicator when a Signal Import
Module (SIM) is connected to DuoFlow instrument bus. The universal AC/DC inline
adapter (catalog number 760-2034) must be used to supply the power. Use of other
power adapters may damage the USB Bitbus Communicator.
Used to select whether power for the USB Bitbus Communicator is drawn from the
Controller (INT) or the AC/DC inline adapter (EXT). An external power source must
be used if a Signal Import Module (SIM) is connected to the instrument bus
otherwise it is not required.
Indicates that the instrument bus is receiving power from an external power source.
The light is off when the PWR SELCT switch is set to INT. The light will turn on
when the USB Bitbus Communicator is switched to EXT and power is being
received.
Used to connect the USB BitBus Communicator to the DuoFlow instrument bus.
FRONT VIEW REAR VIEW
USB
PWR
SELECT
EXT INT
BUS
PWR
INSTR BUS
ON
POWER
+ 5 V
Feature
USB
ON LED
POWER
PWR SELCT
BUS PWR
LED
INSTR BUS