Ohaus I150-S Indicator - Manual (Page 65)

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RS-232 INTERFACE RS-232 INTERFACE RS-232 INTERFACE RS-232 INTERFACE RS-232 INTERFACE
Terminal Block Connections Terminal Block Connections Terminal Block Connections Terminal 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 Commands RS-232 Commands RS-232 Commands RS-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