Opti-ups IS5000LR User Manual download pdf (Page 22)

6. COMMUNICATION INTERFACE

The INVERTER AND UPS provides two computer interfaces, smart software (RS-232) and

USB (optional). The RS-232 also includes dry contact (DB-9, optional) for different

monitoring application.

The models with USB interface are applying the same control port for both USB & RS-232 so

that the only interface can be used at the same time.

6.1 The definition and setup for RS-232 is shown as follows:

Baud Rate : 2400 dps

Data Length : 8 bits

Stop Bit : 1 bit

Parity : None

Pin #6 : RS-232 data Tx out.

Pin #7 : Common of Pin #6 and Pin #9

Pin #9 : RS-232 data Rx In

6.2 The definition and setup for DB9 (optional) is shown as follows:

Pin #2 : AC Power Failure

Pin #4 : Common GND of Pin #2 & Pin #5

Pin #5 : INVERTER AND INVERTER AND UPS Battery Low

Pin #6 : Turn off INVERTER AND INVERTER AND UPS

Pin #7 : GND of Pin6

The interface with computer is diagramed as above for your reference. Use Pin #4 as the

common of Pin #2 and Pin #5, Pin #2 and Pin #4 will become close loop from open when the

utility fails, Pin #5 and Pin #4 will become close loop from open when the battery level is low.

The INVERTER AND UPS will shut down itself when the high level from RS-232, sustained for 3

seconds, which is applied between Pin #6 and Pin #7.

5 4 3 2 1

9 8 7 6

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 30 31

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Opti-ups IS5000LR User Manual Page 22