Canon RE-350 Control Interface Commands Manual

Also see for RE-350: Instruction manual Brochure & specs Pin assigments guide

58Mark Duration periodMin. Max.T1 - 300msT2 0ms 200msT3 10ms T4-T2T4 10ms *16.1 RTS/CTS Flow Control Timing ChartPC SIDE SIGNALCommandC-ResponseRTST1T2T3T4If the PC is ready to communicate with the RE-350, the PC should set the RTS line to ON . The RE-350 willrecognize that its RS-232C connector is connected to the PC. When the RTS is OFF and the PC tries to sendsome data, the RE-350 will disregard the sent data.Once the RE-350 recognizes that the RTS of the PC is ON , the RE-350 will set the CTS of the PC to ON withinT1 after RTS is ON . The application software on the PC can recognize if the RE-350 is operating properly.After the PC recognizes the CTS is ON, the PC can send the command packet to the RE-350.Once the RE-350 receives the command packet, the RE-350 will set CTS to OFF and perform the operationdepending upon the command data from the PC to tell the PC that the RE-350 cannot receive anothercommand packet during this period.After finishing the operation, the RE-350 will set CTS to ON to tell the PC that the RE-350 can receive anothercommand packet.At the same time, the RE-350 will send the “C-response Packet” to notice the result of its operation. Theperiod (T4 ) between the reception and transmission of the “C-response Packet” is determined by the type ofcommand given.6.0 Timing Charts534126Note: If the RE-350 does not follow the above timing chart, the power or connection of the I/F cable isincorrect.RXDCTSTXD123465