3M 747 manual Specifications, RS-232C Communications

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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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Contents 3M Shoes and Wrist Strap Tester Table of Contents Inspection IntroductionIntended Use Explanation of Safety Label Signal Words & SymbolsPage Product Outline OverviewLCD Indicators Back Side Side PanelsConnecting the ESD Shoe Testing Plate Preparation Before TestingShoes Power Preparation Installing and Replacing the Batteries AC Adapter Connection Turning Power On and OffTurning Power Off Power Saver FunctionWall Mounting TestingESD Shoe Testing with the 3M Shoes and Wrist Strap Tester ALL setting is described in .1, Open Collector OutputImportant Note Use single-conductor wrist straps only Open Collector Output External Output FunctionTest Result Output Terminal Test Result Output SettingsInternal Circuit Open-Collector Output Shoe and Wrist Strap ALL SettingRS-232C Communications SpecificationsCable Connections PC ConnectionPC System Requirements Measurement Resistance Range 0 to 200.0 MΩ Measurement SectionBattery Replacement Indicator Maintenance & ServiceLCD can display the following error messages Error MessagesTesting Considerations CleaningOperational Verification Test Equipment Required Testing Wrist Strap RangesTest Set-Up Testing Wrist High Limits Refer to Wrist Test Table Testing Wrist Low Limit Refer to Wrist Test TableWrist Test Table Testing Shoes Low Limits Refer to Shoes Test Table Testing Shoe RangesCULus Statement Regulatory InformationShoe Test Table Weee StatementFCC Electronic Solutions Division Static Control Products
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