Ohaus I150-S Indicator User Manual download pdf (Page 65)

RS-232 INTERFACERS-232 INTERFACE

RS-232 INTERFACE

Terminal Block ConnectionsTerminal Block Connections

Terminal Block Connections

TARE* external signal

PRINT* external signal

CTS clear to send

RD data in

DTR data terminal ready

TXD data out

GND signal ground

E GND earth ground

* External switches may be installed as

shown. Momentary contact push button

or similar switches must be used.

RS-232 CommandsRS-232 Commands

RS-232 Commands

All communication is accomplished using standard ASCII format. Only the characters

shown in the following table are acknowledged by the I150. Any other commands,

control characters or spaces are ignored.

Commands sent to the indicator must be terminated with a carriage return (CR) or

carriage return, line feed (CRLF). For example, a tare command should appear as

shown in the following diagram:

TARE COMMAND - ‘T’

Field: T CR LF

Length: 1 1 1

1 2 ... 60 61 62 63 64 65 66 67 68 69 70 ... 75 76

No comments

Ohaus I150-S Indicator User Manual Page 65