APPENDIX D: COMMUNICATIONS
IS-300CA INVERTER POWER SUPPLY
D-2 990-418
Section II. External Communication Function
Introduction
The IS-300CA can be used to set schedules from an externally-connected personal computer (abbreviated
as PC) or to read monitored data and several kinds of status data.
Data Transmission
ITEM CONTENT
Transmission Mode
Select only one mode at MODE SELECT screen:
RS-232C (RS-485 requires factory installed RS-485 option)
Transmission Rate
Select either of the followings at 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, RS-232C;
2: RXD, 3: TXD, 5: SG, 7: RTS
(RS-485 requires factory installed RS-485 option)
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