GE GFK-2251 manual Communications, PLC/PC Connection

Page 53

7

Communications

PLC/PC Connection

Symptom

Possible Causes

Solution

 

 

 

PANEL C does not

The system is attempting to

1. With the PLC powered up

communicate with a PLC that

communicate with a 90-30 PLC

and connected to the Display

has been autoconfigured

using the SNP driver and a

Station, establish

(AUTOCONFIG/DEFAULT/I/O

PANEL C project.

communication between the

error).

 

Display Station and PLC via

 

 

the 90-30 SNP driver.

 

 

2. Using a Hand-Held

 

 

Programmer, toggle the Default

 

 

I/O (Enable or Disable)

 

 

configuration parameter for the

 

 

CPU. Communications

 

 

between the computer and the

 

 

PLC will be stopped.

 

 

(Communications are stopped

 

 

when you toggle from Enable

 

 

to Disable, or vice versa.)

 

 

3. Power cycle the PLC.

Communications between the

COM port not configured in

Verify that the COM port is

host computer and the

system.

configured in the system.

controller are unsuccessful.

 

 

 

Cabling between computer and

Verify that the cable between

 

controller.

the computer and the controller

 

 

is correctly wired.

 

Baud rate and parity configured

Verify that the baud rate and

 

incorrectly.

parity on the computer are

 

 

consistent with those on the

 

 

controller.

Wrong address.

Verify that the slave address is correct.

CNC/PC Communications

Symptom

Possible Causes

Solution

 

 

 

Communications between the

If an ISA interface HSSB card,

Check PC for conflicting I/O

host computer and the CNC

the I/O address may be in

addresses

are unsuccessful.

conflict with other devices

 

 

HSSB switch setting may be

Check that the switch is set to

 

incorrect.

0, 1 or 2.

 

The HSSB driver is not

Check Windows event log for

 

installed

errors that the HSSB driver

 

 

(MMCNCD) is not installed

 

The HSSB option may not be

Verify that the option and

 

active in the CNC

correct CNC Executive

 

 

Software is installed in the

 

 

CNC

 

The cable connecting the CNC

Verify that the green LED on

 

and the PC may not be

the HSSB board is on.

 

attached

 

7-4

Panel C Industrial Computer Hardware User's Manual – May 2003

GFK-2251

Image 53
Contents GE Fanuc Automation As Used in this Publication Preface Content of This ManualPage Contents Contents Cmos Checksum Error Example of Cable Shield Clamping Assembly Installation I/O Port Range Table Panel C Industrial Computer Features Feature Description Feature SummaryStatus LEDs Removable Hard Disk DriveFront Panel Keypads Channels Front Access PanelEthernet port and side expansion slots Network InterfaceApplication Software Expansion SlotsSetup Chapter Powerup and Software InstallationStartup for Windows NT Systems Startup for Windows 2000 Systems GFK-2251 GFK-2251 Powerup and Software Installation GFK-2251 GFK-2251 Powerup and Software Installation Directory Structure Installing Application SoftwareShutting Down the Computer Image RecoveryChapter Hardware Installation AC Input Power Installation GuidelinesPanel Mounting Cutting the Panel CutoutPanel C Industrial Computer Dimensions Installing Panel Mounting ClipsInstalling Retaining Clips Blanking Plates Installing Expansion CardsConfiguring Expansion Cards Legacy ISA Only Chapter Connectors and Cabling Power Input Communications Ports Port ConfigurationsUSB Ports Compact Flash PortMouse and Keyboard Ports Pin Number Signal nameVideo Output Port Floppy Disk Drive and CD-ROM PortsPin Assignment Printer Port LPT1RS-232C Name Pin Assignment Serial Communication PortsEthernet Communication Port Pin No Signal DescriptionSix cable clamps included with assembly Ground Plate Outline, Mounting Dimensions, and Cable ClampExample of Cable Shield Clamping Assembly Installation Clamped Cable with Exposed Shield System Operation System Peripherals Operator Interfaces Period Membrane Keypad Scan Codes Control and Status LEDs Symbol Name FunctionTouch Screen Touch Screen Driver for WindowsNetwork Component Comments CommunicationsUSB Bios SettingsSelf-Test Diagnostics Diagnostics and TroubleshootingSystem Configuration Verification System Test and InitializationPowerup TroubleshootingSymptom Possible Causes Solution DisplayKeyboard MemoryExternal PS/2 Mouse PLC/PC Connection CommunicationsNetwork Communications To replace the battery Cmos Checksum ErrorIndustrial PC Chapter Technical Data Monitor SystemGFK-2251 Description Agency Standard CommentsGovernment Regulations Applies to CE Marked units General SpecificationsStandards Panel C Nonincendive Field Wiring Control Drawing #DR00Cmos IndexIndex