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5Ć2

5.3

Communication Line Failure

Problem: The top and/or bottom red LEDs on the module faceplate

flash on and off. This indicates a CRC error or lost token timeout,

respectively, signaling a communication line failure. The RECV LED

may also be off indicating a communication line failure. The cause of

a communication failure is a lack of integrity along the high speed

line. Error parameters (RECEIVE TIMEOUTS, CRC, OVERRUN,

ILLEGAL MESSAGE, LOST TOKEN) are logged in the AutoMax RĆNet

module's status and control registers. A few errors may accumulate

over a period of time, such as a few days; but, when these parameter

values increase consistently over a short period of time, there is a

problem with the integrity. Use the following procedure to isolate the

cause of a communication failure:
Step 1.

Verify the node number is unique and the rotary switches

are set correctly. Verify the switch settings on the module

correspond to the node number value in register 12. The

AutoMax RĆNet module reads the value of these switches

only at powerĆup. If any changes are made to the

switches, you must cycle power to the rack in order for the

new settings to be recorded in this register.

Step 2.

Verify the network connections to each module are secure.

Check the connection between the BNC connector on the

faceplate and the Tee connector. Check the connection

between the Tee connector and the coax cable.

Step 3.

Verify the network cabling is terminated correctly. There

must be a line terminator at each end of the network.

Step 4.

Verify that the network cabling does not exceed the

maximum allowable length given its electrical

characteristics.

Step 5.

Verify a minimum network cable length of 50 feet between

any two nodes.

Step 6.

Verify the cable installation between nodes conforms to

the guidelines described in the RĆNet Cable Installation

Manual (J2Ć3009) to inhibit excessive noise disturbances.

Verify the cable between nodes is not kinked or severed.

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Содержание AutoMax R-Net

Страница 1: ... ...

Страница 2: ...ECTION ARE OF PARTICULAR IMPORTANCE FAILURE TO OBSERVE THIS PRECAUTION COULD RESULT IN SEVERE BODILY INJURY OR LOSS OF LIFE WARNING RELIANCE STRONGLY RECOMMENDS THE USE OF AN EXTERNAL HARDWIRED EMERGENCY STOP CIRCUIT OUTSIDE THE PROGRAMMABLE CONTROLLER CIRCUITRY THE EMERGENCY STOP CIRCUIT MUST DISABLE THE SYSTEM IN CASE OF IMPROPER OPERATION FAILURE TO OBSERVE THIS PRECAUTION COULD RESULT IN BODIL...

Страница 3: ...r 16 CRC Error Count 4Ć3 4 1 1 7 Register 17 Overrun Error Count 4Ć3 4 1 1 8 Register 18 Illegal Message Count 4Ć3 4 1 1 9 Register 19 Messages Transmitted Count 4Ć3 4 1 1 10Register 20 Lost Token Count 4Ć3 4 1 1 11Register 21 Maximum Node Number 4Ć3 4 1 1 12Register 22 Response Time in Seconds 4Ć4 4 1 1 13Register 23 Current Token Time 4Ć4 4 1 1 14Register 24 Maximum Token Time 4Ć4 4 1 1 15Regist...

Страница 4: ... 5 0 Diagnostics And Troubleshooting 5Ć1 ...

Страница 5: ... ...

Страница 6: ... 2 0 2 2 2 1 2 2 2 2 2 2 2 2 2 2 2 ...

Страница 7: ...mitted from the AutoMate image area over the network using a subset of AutoMate communications commands The dualĆport memory can be accessed by the onĆboard CPU as well as over the backplane bus by any Processor in the rack through application programs The remainder of this manual describes the functions and specifications of the AutoMax RĆNet Processor module It also includes a detailed overview ...

Страница 8: ... 0 2 M N 57C390 or 57C391 ReSource AutoMax Programming Executive software Version 2 0 3 M N 57C304 or 57C305 ReSource AutoMax Programming Executive software Version 1 0 4 M N 57C300 or 57C301 ReSource DCS 5000 Programming Executive software 5 M N 57C430 AutoMax Processor 6 M N 57C407 DCS 5000 Processor 7 M N 61C126 or 61C128 ReSource Portable Computer or other IBMĆcompatible personal computer runn...

Страница 9: ...er value Eight LEDs on the faceplate indicate the status of the AutoMax RĆNet Processor module and the RĆNet network The LEDs are defined as follows READY yellow When lit indicates the CPU is working properly within the limits of its internal diagnostics and the internal watchdog is being reset XMIT yellow When lit indicates the module is transmitting via the coax RECV yellow When lit indicates th...

Страница 10: ...tive buffer length detected 11 Ć Software test message length 0 detected 12 Ć Unused interrupt detected 13 Ć Attempt was made to access a word on an odd byte address error 14 Ć System watchdog interrupt 15 Ć Bus error RĆNet module unable to reconstruct where to execute after unsuccessful attempt to access dual port memory RĆNET PROCESSOR 57C429 READY XMIT RECV COM OK COM ER COM ER COM ER COM ER NO...

Страница 11: ...e dual port memory If all diagnostics are passed the red LEDs will turn off RunĆtime fault conditions detected by the onĆboard CPU after powerĆup are indicated by fault codes 9Ć15 If a fault is detected the READY LED will turn off and the corresponding fault code will be displayed The fault code is also written to register 60 in the dual port memory All of the above fault conditions are fatal and ...

Страница 12: ...fafadfdfdasfdsfdsdsdfdsfdsfdsfsdfdsa afdfdsfdsfdfdsfdsfsadfda asfdfaddfdd ...

Страница 13: ...ERVE THIS PRECAUTION COULD RESULT IN SEVERE BODILY INJURY OR LOSS OF LIFE WARNING INSERTING OR REMOVING A MODULE MAY RESULT IN UNEXPECTED MACHINE MOTION POWER TO THE MACHINE SHOULD BE TURNED OFF BEFORE INSERTING OR REMOVING THE MODULE FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN BODILY INJURY WARNING ALTHOUGH THE RĆNET NETWORK INCLUDES CRC CHECKSUMS AND OTHER DIAGNOSTICS TO ENSURE THE INTE...

Страница 14: ...to the desired slot in the rack The module can reside in any slot in an AutoMax DCS 5000 rack containing at least one Processor Use a screwdriver to secure the module into the rack Step 5 Set the drop number of the RĆNet module using the two rotary switches on the module faceplate The upper switch is the most significant digit and the lower switch is the least significant digit The decimal node nu...

Страница 15: ...F THE AĆC POWER LINE FAILURE TO OBSERVE THESE PRECAUTIONS COULD RESULT IN SEVERE BODILY INJURY OR LOSS OF LIFE Step 2 Disconnect the Tee connector from the RĆNet module Step 3 Turn off power to the rack Step 4 Use a screwdriver to loosen the screws that hold the module in the rack Take the module out of the slot in the rack Step 5 Take the new module out of its shipping container Take it out of th...

Страница 16: ...fafadfdfdasfdsfdsdsdfdsfdsfdsfsdfdsa afdfdsfdsfdfdsfdsfsadfda asfdfaddfdd ...

Страница 17: ...624 Ć 3583 Not Used 960 16Ćbit Words Register 3584 Ć 4095 Command Buffer 512 16Ćbit Words Figure 4 1Ć Dual Port Memory Register Assignment 4 1 1 Status and Control Registers Registers 0 Ć 63 of the dual port memory are status and control registers All registers are Read Write and can be accessed by an application task or monitored using the I O Monitor function of the AutoMax Programming Executive...

Страница 18: ... for System Use 50 Transmit Global Data Enabling Register for AutoMate Image Register 71 51 Transmit Global Data Enabling Register for AutoMate Image Register 72 52 Transmit Global Data Enabling Register for AutoMate Image Register 73 53 Transmit Global Data Enabling Register for AutoMate Image Register 74 54 Reserved for System Use 59 Reserved for System Use 60 LED Error Code 61 Reserved for Syst...

Страница 19: ...1 1 7 Register 17 Overrun Error Count Overrun errors are caused by receiving too many bits of data in a transmission frame This is typically caused by missing a stop bit This register will increment up to 32767 if an overrun error occurs This value will ideally remain zero This register is reset to zero at powerĆup or can be reset by the user 4 1 1 8 Register 18 Illegal Message Count Register 18 w...

Страница 20: ...egisters These registers are used with Global Data registers 121Ć124 AutoMate image registers 71Ć74 Setting bits in these registers enables corresponding bits in the Global Data registers to be broadcast over the network Refer to section 4 1 2 1 for information regarding globals 4 1 1 16 Register 60 LED Error Code This register contains the value of any error code displayed on the module faceplate...

Страница 21: ...at corresponds to the AutoMate image address To calculate the I O Monitor register number for AutoMate image registers 0 through 777 first convert the AutoMate image register number from octal to decimal and then add 64 Example AutoMate Image Register 137 137 octal 95 decimal 95 64 I O Monitor Register 159 To calculate the I O Monitor register number for AutoMate image registers 2000 through 5777 ...

Страница 22: ...30 A40 Total 64 64 64 13 00 13 01 13 02 13 03 13 04 13 05 13 06 13 07 13 10 13 11 13 12 13 13 13 14 13 15 13 16 13 17 14 00 14 01 14 02 14 03 14 16 14 17 15 00 15 01 15 16 15 17 71 00 71 01 71 02 71 03 71 04 71 05 71 06 71 07 71 10 71 11 71 12 71 13 71 14 71 15 71 16 71 17 72 00 72 01 72 02 72 03 72 16 72 17 73 00 73 01 73 16 73 17 74 00 74 01 74 02 74 15 74 16 74 17 A15 A15E 48 64 71 00 71 01 71 ...

Страница 23: ... 0 0 In the above example bits 13 and 07 octal have been set in Transmit Global Data Enabling Register 50 Therefore the status of bits 13 and 07 octal of the corresponding Global Data Receiving Register register 121 AutoMate image register 71 is now global and will remain global until a zero is written to bits 13 and 07 in register 50 When not enabled by the Transmit Global Data Enabling Registers...

Страница 24: ...SNDRNT 013 Read Register List 014 Write Multiple Points 050 Who Are You 4 2 1 Read Point The Read Point command 001 is used to read the value of any single bit within a register When initiated by the GATEWAY_CMD_OK function this command will transfer up to 640 sequential bits from an AutoMate register starting at any bit position to any bit position in the AutoMax RĆNet Processor module s AutoMate...

Страница 25: ...NT instruction the Write Register command is sent to the AutoMax RĆNet module The AutoMax RĆNet module writes the data into the AutoMate image area To use data sent by the SNDRNT instruction an application task must read it from the AutoMate image area 4 2 5 Read Register List The Read Register List command 013 is used by AutoMate to read multiple nonĆsequential registers in the AutoMax RĆNet Proc...

Страница 26: ...e executed The Status and Control Registers are defined using IODEF statements These variables are not transmitted over RĆNet Memory locations within the AutoMate image area are defined using RNETDEF statements Refer to the Configuration Task Instruction Manual JĆ3649 for AutoMax Version 1 0 2 0 or DCS 5000 systems The following is the format of the RNETDEF statement nnnn RNETDEF var_name SLOT slo...

Страница 27: ... CMD_CODE AM_DROP AM_REG GTWY_VAR NUM_REGS where STATUS is an integer variable name only It defines the variable name where the resulting gateway command status is stored The status value will contain a zero if successful or an error code if unsuccessful CMD_CODE is a variable name or expression This is the command 1Ć4 sent to the AutoMax RĆNet Processor module AM_DROP is a variable name or expres...

Страница 28: ... DSTPNT defines the slot and register number of the AutoMax RĆNet Processor module where the data will be written 10 TASK RDPNT TYPE BASIC PRIORITY 5 SLOT 1 CRITICAL FALSE 20 RNETDEF DSTPNT SLOT 5 REGISTER 405 04 30 END BASIC or Control Block Task In this program command code 1 Read Point is used to read the value of bit location 55 04 of an AutoMate Processor located in slot 1 of node 3 of the RĆ...

Страница 29: ...le causes of a bus error are a missing module a module in the wrong slot or a malfunctioning module Use the following procedure to isolate a bus error Step 1 Verify that the module is in the correct slot Verify that the slot number being referenced in the application tasks agrees with the slot number defined during configuration Step 2 Verify that the hardware is working correctly One at a time sw...

Страница 30: ...erify the switch settings on the module correspond to the node number value in register 12 The AutoMax RĆNet module reads the value of these switches only at powerĆup If any changes are made to the switches you must cycle power to the rack in order for the new settings to be recorded in this register Step 2 Verify the network connections to each module are secure Check the connection between the B...

Страница 31: ...C to 55_C D Humidity 5 Ć 90 nonĆcondensing D Altitude 3300 feet 1000 meters without derating Dimensions D Height 11 75 298 45 mm D Width 1 25 31 75 mm D Depth 7 375 187 325 mm 8 375 212 724 mm with Tee connector D Weight 2 0 lbs 9 kg Maximum Power Dissipation D 20 Watts System Power Requirements D 5V 2 5 Amps D 12V 30 mA ...

Страница 32: ...fafadfdfdasfdsfdsdsdfdsfdsfdsfsdfdsa afdfdsfdsfdfdsfdsfsadfda asfdfaddfdd ...

Страница 33: ...AND CONTROL 68010 CPU CHIP DUALĆPORT MEMORY 16KĆBYTES 16KĆBYTE PROM 16KĆBYTE RAM 8257 DMA CONTROLLER 8274 SERIAL INTERFACE CONTROL LOGIC AND BUFFERS ISOLATION CIRCUITS CONDITIONĆ ING ISOLATED DĆC DĆC CONVERTER 12VI 0VI 12VI 5 VOLTS 12 VOLTS 12 VOLTS GROUND ADDRESS I D BUS ADĆ DRESS BUS DATA BUS ADDRESS AND CONTROL BUS ADDRESS BUS CTRL BUS DATA BUS ...

Страница 34: ...fafadfdfdasfdsfdsdsdfdsfdsfdsfsdfdsa afdfdsfdsfdfdsfdsfsadfda asfdfaddfdd ...

Страница 35: ...nd 5 will require replacement of the AutoMax RĆNet Processor module The following error codes are displayed if any of the indicated faults are detected 9 Ć Local watchdog interrupt 10 Ć Software test negative buffer length detected 11 Ć Software test message length 0 detected 12 Ć Unused interrupt detected 13 Ć Attempt was made to access a word on an odd byte address error 14 Ć System watchdog int...

Страница 36: ...fafadfdfdasfdsfdsdsdfdsfdsfdsfsdfdsa afdfdsfdsfdfdsfdsfsadfda asfdfaddfdd ...

Страница 37: ... Appendix D Node Number Conversion Chart ...

Страница 38: ...fafadfdfdasfdsfdsdsdfdsfdsfdsfsdfdsa afdfdsfdsfdfdsfdsfsadfda asfdfaddfdd ...

Страница 39: ...rk Specifications Network Organization D Media Access Protocol D Physical Configuration D Maximum Number of Drops D Data Rate D Coaxial Cable Options D D Maximum Cable Length D D Minimum Cable Length Between Adjacent Drops D ...

Страница 40: ...fafadfdfdasfdsfdsdsdfdsfdsfdsfsdfdsa afdfdsfdsfdfdsfdsfsadfda asfdfaddfdd ...

Страница 41: ...fafadfdfdasfdsfdsdsdfdsfdsfdsfsdfdsa afdfdsfdsfdfdsfdsfsadfda asfdfaddfdd ...

Страница 42: ...ion 1 Allen Bradley Drive Mayfield Heights Ohio 44124 USA Tel 800 241 2886 or 440 646 3599 http www reliance com automax Copyright 2002 Rockwell Automation Inc All rights reserved Printed in U S A Publication J2 3000 May 1991 ...

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