3M 747 manual Specifications, RS-232C Communications

4.2 RS-232C Communications

CAUTION

To reduce the risks associated with hazardous voltage, which, if not avoided, may result in minor or moderate injury and/or property damage:

• Always replace battery cover before using the 3M™ Shoes and Wrist Strap Tester.

Important Notes:

•Always turn the power switch off when making connections. To avoid damage to the Shoes and Wrist Strap Tester 747, do not apply more than the rated voltage and current to the OUTPUT connector.

•To avoid damage to the unit, do not short or input voltage to the RS-232C terminal.

•When connecting the RS-232C cable, always secure with the thumb screws.

•To use the communication function, the unit must be operating with the AC adapter connected.

•In order to avoid electric shock, turn off the power to all devices before plugging in or unplugging any of the interface connectors.

Test results can be transferred to a PC by RS-232C communications. Communications can begin when the Shoes and Wrist Strap Tester 747 is operating or in stand-by state. To activate the stand-by state, place a finger on the touch panel while turning the power switch on, then wait ten seconds.

Specifications

The RS232-C settings of the Shoes and Wrist Strap Tester 747 are as follows. These setting cannot be changed, so the serial port settings on the PC must be set to match.

Transmission speed	4800 bps
Data length	8 bits
Stop bits	1 bit
Parity bit	None
Handshaking	None (no X-flow or hardware)
Delimeters	Receive: CR+LF, CP. Transmit: CR+LF
Connector	9-pin D-sub male, accepts M2.6 screws

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