A&D HC-3Ki, HC-15Ki OP-03 RS-232C Serial Interface, Installation, RS-232C Specifications, Ascii

13. OP-03 RS-232C SERIAL INTERFACE

This interface allows the HC-iseries to be connected with a multifunction printer or a personal computer.

‰The OP-03 unit includes an interface board, a connector plug (DIN type) and two screws. (M3x6 tapping type).

13-1. Installation

1.Disconnect the AC adapter from the scale. If the battery is used, switch off the scale.

2.Loosen the screw and remove the panel covering the option slot.

3.Connect the connector cable on the OP-03 to the connector inside the option slot.

4.Fix the OP-03 unit using the two screws included in the OP-03.

Option slot Interface

	Screw		Screws
13-2. RS-232C Specifications
Transmission form	Asynchronous, bi-directional, half-duplex
Data format	Baud rate:	2400, 4800, 9600 bps
	Data:	7 bits + parity 1bit (even / odd) or 8 bits (non-parity)
	Start bit:	1 bit
	Stop bit:	1 bit
	Code:	ASCII
	Terminator:	Data Send / CRLF	Data Receive / CR or CRLF

LSB

0 1 2 3 4 5

MSB

6

1(-15V~-5V)

0(5V~15V)

Start bit Data bit Parity bit Stop bit

Pin connections

(View from outside)

Mating connector: JA+TCP0586 (Included in the OP-03)

2Receive data

3Transmit data

5Signal ground

7Data set ready

1, 4, 6 and 8 N.C.

Inside of the HC-i

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