3M 747 manual PC Connection, Cable Connections, PC System Requirements

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PC Connection

The RS-232C signal wires used are as follows (no other lines are used).

Pin

2

3

5

Signal

RxD

TxD

GND

I/O

IN

OUT GND

Description

Receiving Data

Sending Data

Signal Ground

Other pins are not used.

Cable Connections

The 3M™ Shoes and Wrist Strap Tester 747 connects to the PC through a crossover cable. The transmit and receive lines are crossed, and the ground lines connect together. The other lines are ignored, but hardware flow control must be disabled at the PC side.

Cable wiring at Shoes and Wrist Strap Tester 747 end: cross-connected

4.3 Card Reader Technical Specifications

Serial Interface Specification:

Bit Rate:

110, 300, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 (selectable) Word Length:

Data Format – 4, 5, 6, 7, 8 (selectable)

Parity Bit – Even, Off, None, Mark, Space (selectable) Stop Bit – 1, 1.5, 2 (selectable)

Handshaking (Flow Control):

None, Xon/Xoff, RTS/CTS, RTS/XonXoff (selectable) Proximity Card Reader:

Message Indicator

Start of Text – Single ASCII Character

End of Text and CR – Single ASCII character

4.4 PC System Requirements

Check with 3M as PC System requirements and Software compatibility may differ as new Operating Systems change.

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Contents 3M Shoes and Wrist Strap Tester Table of Contents Introduction InspectionExplanation of Safety Label Signal Words & Symbols Intended UsePage Overview Product OutlineLCD Indicators Side Panels Back SidePreparation Before Testing Connecting the ESD Shoe Testing PlateShoes Power Preparation Installing and Replacing the Batteries Turning Power On and Off Turning Power OffPower Saver Function AC Adapter ConnectionTesting Wall MountingALL setting is described in .1, Open Collector Output ESD Shoe Testing with the 3M Shoes and Wrist Strap TesterImportant Note Use single-conductor wrist straps only External Output Function Open Collector OutputInternal Circuit Test Result Output SettingsTest Result Output Terminal Shoe and Wrist Strap ALL Setting Open-Collector OutputSpecifications RS-232C CommunicationsPC System Requirements PC ConnectionCable Connections Measurement Section Measurement Resistance Range 0 to 200.0 MΩMaintenance & Service Battery Replacement IndicatorError Messages LCD can display the following error messagesOperational Verification Test CleaningTesting Considerations Test Set-Up Testing Wrist Strap RangesEquipment Required Wrist Test Table Testing Wrist Low Limit Refer to Wrist Test TableTesting Wrist High Limits Refer to Wrist Test Table Testing Shoe Ranges Testing Shoes Low Limits Refer to Shoes Test TableRegulatory Information Shoe Test TableWeee Statement CULus StatementFCC Electronic Solutions Division Static Control Products

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