IS-300A
9. External Communication Function
9-1
9. External Communication Function
(1) Introduction
IS-300A can be used to set schedules from an externally-connected personal
computer (abbreviated as PC) or to read monitored data and several kind of status
data.
Prepare the program and its development environment for controlling the Power
Supply on the customer side.
(2) Data Transmission
Item Content
Transmission mode
Select either of the followings at the MODE SELECT
screen:
* RS-485, Asynchronous, Half-duplex
* RS-232C
Transmission rate
Select either of the followings at the MODE SELECT
screen:
9600, 19200, 38400 bps
Data format Start bit: 1, Data bit: 8, Stop bit: 1, Parity bit: Even
Character code ASCII
Checksum data None
Connector
D-Sub 9 pins
[Pin position]
In RS-485, 5: SG, 6: RS+, 9: RS-
In RS-232C, 2: RXD, 3: TXD, 5: SG, 7: RTS
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