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Publication 1764-UM001A-US-P

E-2

Understanding Communication Protocols

DF1 Full-Duplex Operation

DF1 Full-Duplex protocol (also referred to as DF1 point-to-point protocol) is
useful where RS-232 point-to-point communication is required. DF1 protocol
controls message flow, detects and signals errors, and retries if errors are detected.

When a communication channel is configured for DF1 Full-Duplex, the following
parameters can be changed:

Example DF1 Full-Duplex Connections

For information about required network connecting equipment, see
Communication Connections on page 4-1.

Connecting to a PC to Channel 0

We recommend using an Advanced Interface Converter (AIC+), catalog number
1761-NET-AIC, as your optical isolator, as shown below. See page 4-10 for specific
AIC+ cabling information.

Table E.1 DF1 Full-Duplex Configuration Parameters

Parameter

Options

Default

Baud Rate

300, 600, 1200, 2400, 4800, 9600, 19.2K, 38.4K

19.2K

Parity

none, even

none

Source ID (Node Address)

0 to 254 decimal

1

Control Line

no handshaking, Full-Duplex modem handshaking

no handshaking

Error Detection

CRC, BCC

CRC

Embedded Responses

auto-detect, enabled

auto detect

Duplicate Packet (Message) Detect

enabled, disabled

enabled

ACK Timeout

1 to 65535 counts (20 ms increments)

50 counts

NAK retries

0 to 255

3 retries

ENQ retries

0 to 255

3 retries

Stop Bits

not a setting, always 1

1

TERM

A

B

COM

SHLD

CHS GND

TX

TX

PWR

TX

DC SOURCE
CABLE

EXTERNAL

1761-CBL-AM00
or 1761-CBL-HM02

1747-CP3 or 1761-CBL-AC00

MicroLogix 1500 with 1764-LSP
or 1764-LRP processor

24V dc

MicroLogix 1500 provides power
to the AIC+ or an external power
supply may be used.

Personal Computer

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Содержание micrologix 1500

Страница 1: ...MicroLogix 1500 Programmable Controllers Bulletin 1764 User Manual AB Spares...

Страница 2: ...on and Maintenance of Solid State Control available from your local Rockwell Automation office describes some important differences between solid state equipment and electromechanical devices that sho...

Страница 3: ...ogic If you do not obtain the proper training before using this product Purpose of this Manual This manual is a reference guide for MicroLogix 1500 controllers It describes the procedures you use to i...

Страница 4: ...001A ML P A description on how to install and connect an AIC This manual also contains information on network wiring Advanced Interface Converter AIC User Manual 1761 6 4 Information on how to install...

Страница 5: ...pport support service agreements Technical Product Assistance If you need to contact Rockwell Automation for technical assistance please review the Troubleshooting appendix on page C 1 in this manual...

Страница 6: ...Publication 1762 RM001A US P Preface P 4...

Страница 7: ...ing 2 11 Mounting the Controller 2 12 Installing Controller Components 2 15 Chapter 3 Wiring Your Controller Wiring Requirements 3 1 Using Surge Suppressors 3 3 Grounding the Controller 3 6 Wiring Dia...

Страница 8: ...nce C 5 Appendix D Upgrading Your Operating System Preparing for Upgrade D 1 Performing the Upgrade D 2 Missing Corrupt OS LED Pattern D 2 Appendix E Understanding Communication Protocols RS 232 Commu...

Страница 9: ...igurations The hardware features of the controller are Feature Description Feature Description 1 Removable Terminal Blocks 7 Memory Module Real Time Clock 1 1 Optional 2 Interface to Expansion I O Rem...

Страница 10: ...4 28BXB base only Base Units Processors Processor Catalog Number 1764 LSP Processor Catalog Number 1764 LRP Catalog Number Base Unit I O and Power Supply 1764 24AWA Twelve 120V ac inputs twelve relay...

Страница 11: ...764 MM2 1 1 For larger 1764 LRP programs use the 1764 MM2 or 1764 MM2RTC Memory Module 16K 1764 MM1RTC Memory Module and Real Time Clock 8K 1764 MM2RTC Memory Module and Real Time Clock 16K Table 1 1...

Страница 12: ...on options The 1764 LRP processor provides an additional communication port Each of the communications ports can be independently configured for any supported communication protocol Channel 0 is on th...

Страница 13: ...Guidelines on page 1 6 for system limitations and illustrations of expansion I O banks Product Catalog Number MicroLogix 1500 Processor 1764 LSP Series A Revision C or higher 1764 LSP Series B Revisi...

Страница 14: ...s Only one power supply embedded or expansion may be used on an I O bank Exceeding these limitations may damage the power supply and result in unexpected operation ATTENTION ATTENTION REMOVE POWER Rem...

Страница 15: ...k 2 1769 CRRx 1 Expansion Cable 1769 ECL End Cap 1 The x in this catalog number can be either a 1 or a 3 representing the length of the cable 1 1 foot 305 mm and 3 3 28 feet 1 meter Expansion I O Bank...

Страница 16: ...x 1500 Programmable Controllers Instruction Set Reference Manual publication 1762 RM001B US P Vertical Orientation Horizontal Orientation Expansion I O Power Failure Expansion I O errors represent fai...

Страница 17: ...B C D UL 1604 C UL under CSA C22 2 no 213 CE compliant for all applicable directives Compliance to European Union Directives This product has the CE mark and is approved for installation within the Eu...

Страница 18: ...power lines load lines and other sources of electrical noise such as hard contact switches relays and AC motor drives For more information on proper grounding guidelines see the Industrial Automation...

Страница 19: ...ity for Class I Division 2 Do not replace components or disconnect equipment unless power has been switched off Do not connect or disconnect components unless power has been switched off This product...

Страница 20: ...se circuits to defeat their function Serious injury or machine damage could result Power Distribution There are some points about power distribution that you should know The master control relay must...

Страница 21: ...sufficient power rating for its load The power rating is expressed in volt amperes VA Power Supply Inrush During power up the MicroLogix 1500 power supply allows a brief inrush current to charge inte...

Страница 22: ...be written to take this effect into account Other Types of Line Conditions Occasionally the power source to the system can be temporarily interrupted It is also possible that the voltage level may dro...

Страница 23: ...he master control relay to remove power from the external I O circuits power continues to be provided to the controller s power supply so that diagnostic indicators on the processor can still be obser...

Страница 24: ...mergency stop switches and the master control relay in your system Make certain that relay contacts have a sufficient rating for your application Emergency stop switches must be easy to reach In the f...

Страница 25: ...I O circuits stopping machine motion Fuse Overtravel Limit Switch MCR MCR MCR Stop Start Line Terminals Connect to terminals of Power Supply 1764 24AWA and 1764 24BWA 115V ac or 230V ac I O Circuits L...

Страница 26: ...MCR MCR Stop Start Line Terminals Connect to 1764 24AWA or 1764 24BWA terminals Line Terminals Connect to 24V dc terminals of Power Supply 230V ac Output Circuits Disconnect Isolation Transformer 115V...

Страница 27: ...llow 50 mm 2 in minimum of space on all sides for adequate ventilation as shown below Dimension 1 1 See Controller Dimensions on page A 7 for more dimensional information 1764 24AWA 1764 24BWA 1764 28...

Страница 28: ...panel Drilled fragments that fall into the controller could cause damage Do not drill holes above a mounted controller if the protective debris strips have been removed ATTENTION Electrostatic dischar...

Страница 29: ...f the base unit on the DIN rail meets the recommended spacing requirements see Controller Spacing on page 2 11 Refer to the mounting template from the inside back cover of the MicroLogix 1500 Programm...

Страница 30: ...nt to panel using 8 or M4 screws To install your base unit using mounting screws 1 Remove the mounting template from the inside back cover of the MicroLogix 1500 Programmable Controller Base Units Ins...

Страница 31: ...n you handle any module Touch a grounded object to discharge static potential Wear an approved wrist strap grounding device Do not touch the bus connector or connector pins Do not touch circuit compon...

Страница 32: ...e sure the actuator is pushed closed 5 To remove the processor from the base unit make sure base unit power is off Push the actuator to the open position until the processor is ejected slightly Once t...

Страница 33: ...e cover from processor 2 Holding the DAT in the proper orientation as shown place the DAT onto processor Align DAT port on the processor with the plug on the DAT 3 Firmly seat DAT on processor make su...

Страница 34: ...lign connector on the memory module with the connector pins on the processor 3 Firmly seat the memory module in the processor making sure the locking tabs click into place 4 Replace the cover or DAT i...

Страница 35: ...O module When you remove or insert a module with power applied an electrical arc may occur An electrical arc can cause personal injury or property damage by sending an erroneous signal to your system...

Страница 36: ...een the controller and module move the bus lever fully to the left 4 until it clicks Ensure it is locked firmly in place 7 Attach an end cap terminator 5 to the last module in the system by using the...

Страница 37: ...maximum per terminal screw Wiring Torque Solid Cu 90 C 194 F 14 to 22 AWG 1 13 Nm 10 in lb rated 1 3 Nm 12 in lb maximum Stranded Cu 90 C 194 F 14 to 22 AWG ATTENTION Be careful when stripping wires...

Страница 38: ...ng Wiring without Spade Lugs When wiring without spade lugs it is recommended to keep the finger safe covers in place Loosen the terminal screw and route the wires through the opening in the finger sa...

Страница 39: ...e use of some type of surge suppression to protect and extend the operating life of the controller s output contacts Switching inductive loads without surge suppression can significantly reduce the li...

Страница 40: ...ors to suppress noise Choose a varistor that is appropriate for the application The suppressors we recommend for triac outputs when switching 120V ac inductive loads are a Harris MOV part number V175...

Страница 41: ...401 N10 Bulletin 700 Type R RM Relays ac coil None Required Bulletin 700 Type R Relay Bulletin 700 Type RM Relay 12V dc 12V dc 700 N22 700 N28 Bulletin 700 Type R Relay Bulletin 700 Type RM Relay 24V...

Страница 42: ...1770 4 1 for additional information Additional grounding connections from the mounting tabs or DIN rail if used are not required unless the mounting surface cannot be grounded You must also provide a...

Страница 43: ...terminal which provides a low impedance path between electrical circuits and earth for safety purposes and provides noise immunity improvement This connection must be made for safety purposes Conditi...

Страница 44: ...AC COM 1 I 6 I 5 AC COM 2 I 7 I 9 I 8 I 11 I 10 24AWA NOT USED NOT USED 85 265 VAC O 5 VAC VDC 0 L2 VAC VDC 1 VAC VDC 2 VAC VDC 4 O 7 O 8 O 10 O 4 O 1 O 0 L1 O 2 O 6 O 9 O 11 VAC VDC 5 24AWA VAC VDC...

Страница 45: ...I 4 through I 7 Group 2 DC COM 2 I 8 through I 15 Controller Outputs Output Group Voltage Terminal Output Terminal 1764 24BWA Group 0 VAC VDC 0 O 0 Group 1 VAC VDC 1 O 1 Group 2 VAC VDC 2 O 2 Group 3...

Страница 46: ...is applied to the input terminal active high Connect the power supply VDC to the DC COM terminal Sourcing Input connection of an NPN sinking device The input energizes when low level voltage is appli...

Страница 47: ...ls IN 9 COM IN 0 IN 2 DC COM 1 IN 5 IN 7 IN 8 IN 10 24V POWER OUT DC COM 0 IN 1 IN 3 IN 4 IN 6 DC COM 2 IN 11 DC DC 120 240 VAC OUT 10 OUT 8 OUT 7 OUT 5 VAC VDC 4 VAC VDC 3 VAC VDC 2 VAC VDC 1 VAC VDC...

Страница 48: ...erminals IN 9 COM IN 0 IN 2 DC COM 1 IN 5 IN 7 IN 8 IN 10 24V POWER OUT DC COM 0 IN 1 IN 3 IN 4 IN 6 DC COM 2 IN 11 DC DC 120 240 VAC OUT 10 OUT 8 OUT 7 OUT 5 VAC VDC 4 VAC VDC 3 VAC VDC 2 VAC VDC 1 V...

Страница 49: ...IN 5 IN 7 IN 8 IN 10 NOT USED DC COM 0 IN 1 IN 3 IN 4 IN 6 DC COM 2 IN 11 IN 15 IN 14 IN 13 IN 12 DC DC DC DC NOT USED terminals are not intended for use as connection points 24v OUT 10 OUT 9 VAC VDC...

Страница 50: ...IN 0 IN 2 DC COM 1 IN 5 IN 7 IN 8 IN 10 NOT USED DC COM 0 IN 1 IN 3 IN 4 IN 6 DC COM 2 IN 11 IN 15 IN 14 IN 13 IN 12 DC DC DC DC NOT USED terminals are not intended 24V OUT 10 OUT 9 VAC VDC 3 OUT 7 O...

Страница 51: ...ration and load current Power up transients will not exceed the times shown in the graph For most applications the pulse energy is not sufficient to energize the load To reduce the possibility of inad...

Страница 52: ...Publication 1764 UM001A US P 3 16 Wiring Your Controller...

Страница 53: ...on The MicroLogix 1500 has the following default communication configuration For more information about communications see Understanding Communication Protocols on page E 1 Table 4 1 DF1 Full Duplex C...

Страница 54: ...e from the user defined communication configuration to the default communications configuration and back The Default Communications DCOMM LED operates to show when the controller is in the default com...

Страница 55: ...user 24V dc ground and RS 232 ground are internally connected You must connect the chassis ground terminal screw to ground prior to connecting any devices It is important that you understand your pers...

Страница 56: ...e MicroLogix controllers Isolated Modem Connection We recommend using an AIC catalog number 1761 NET AIC as your optical isolator for Channel 0 See page 4 10 for specific AIC cabling information Using...

Страница 57: ...ct your own null modem cable the maximum cable length is 15 24m 50 ft with a 25 pin or 9 pin connector Refer to the following typical pinout AIC Optical Isolator or 1764 LRP Channel 1 Modem 9 Pin 25 P...

Страница 58: ...CH0 CH0 to port 1 or port 2 CH0 to port 1 or port 2 1761 CBL AP00 or 1761 CBL PM02 1761 CBL AM00 or 1761 CBL HM02 1761 CBL AM00 or 1761 CBL HM02 1761 CBL AP00 or 1761 CBL PM02 1761 CBL AP00 or 1761 CB...

Страница 59: ...gix Channel 0 1761 CBL AM00 or 1761 CBL HM02 1761 CBL AP00 or 1761 CBL PM02 1761 CBL AP00 or 1761 CBL PM02 1747 CP3 or 1761 CBL AC00 24V dc user supply needed if not connected to a controller AIC 24V...

Страница 60: ...refer to the Advanced Interface Converter AIC User Manual publication 1761 6 4 Connecting the Communication Cable to the DH 485 Connector Single Cable Connection When connecting a single cable to the...

Страница 61: ...s Wire Pair Connect this Wire To this Terminal Shield Drain Non jacketed Terminal 2 Shield Blue Blue Terminal 3 Common White Orange White with Orange Stripe Terminal 4 Data B Orange with White Stripe...

Страница 62: ...ection Guide Item Description 1 Port 1 DB 9 RS 232 DTE 2 Port 2 mini DIN 8 RS 232 DTE 3 Port 3 RS 485 Phoenix plug 4 DC Power Source selector switch cable port 2 power source external external power s...

Страница 63: ...1 yes external DTAM Plus DTAM Micro port 1 yes external Port 1 on another AIC port 1 yes external 1 External power supply required unless the AIC is powered by the device connected to port 2 then the...

Страница 64: ...ivalent Cable Wiring Diagram 9 pin D shell 8 pin Mini Din 1 2 3 4 6 5 7 8 9 1 2 3 5 6 8 7 4 1761 CBL PM02 Series C or later Cable Programming Device Controller 9 Pin D Shell 8 Pin Mini Din 9 RI 24V 1...

Страница 65: ...is not commercially available Port 3 RS 485 Connector 1 received line signal detector DCD 24V dc chassis ground 2 received data RxD ground GND cable shield 3 transmitted data TxD request to send RTS s...

Страница 66: ...elden cable after it is wired to the terminal block This guards against breakage of the Belden cable wires Powering the AIC In normal operation with a MicroLogix programmable controller connected to p...

Страница 67: ...ble 1761 CBL HM02 or equivalent connected to port 2 Use an external DC power supply with the following specifications operating voltage 24V dc 20 or 15 output current 150 mA minimum rated NEC Class 2...

Страница 68: ...election Guide Cable Length Connections from to DNI 1761 CBL AM00 1761 CBL HM02 45 cm 17 7 in 2m 6 5 ft MicroLogix 1000 port 2 MicroLogix 1500 port 2 Cable Length Connections from to DNI 1761 CBL AP00...

Страница 69: ...nalog presets depending upon the requirements of the application The trim pots are located below the mode switch under the left access door of the processor Use a small flathead screwdriver to turn th...

Страница 70: ...al publication 1762 RM001B US P Error Conditions If the controller detects a problem error with either trim pot the last values read remain in the data location and an error code is put in the error c...

Страница 71: ...crolls when held F1 Key and Indicator Light Controls the F1 status bit When the F1 key is pressed or latched the F1 indicator LED is lit F2 Key and Indicator Light Controls the F2 status bit When the...

Страница 72: ...After a successful self test the DAT reads the DAT function file to determine its configuration DAT Function File DAT configuration is stored in the processor in a specialized configuration file calle...

Страница 73: ...mode Understanding the DAT Display When the DAT enters either the bit or integer mode the element number and its data are displayed as shown below The element number is either the integer or bit locat...

Страница 74: ...the controller To initiate integer mode press the INT key If the integer mode was previously active the DAT displays the last integer element monitored If the bit mode was active the DAT displays the...

Страница 75: ...ng latched key bit within the DAT Function File When the F1 or F2 key is pressed a second time the DAT clears 0 the corresponding latched key bit Working Screen Operation Because the DAT is a communic...

Страница 76: ...troller fault the display shows FL in the element number field and the value of the controller s major fault word S2 6 is displayed in the value field as shown below Pressing ESC while the fault is be...

Страница 77: ...ablish communications The error screen displays until the DAT regains communications with the processor All key presses are ignored until the display clears DAT Error Codes F1 BIT F2 INT ESC ENTER PRO...

Страница 78: ...Publication 1764 UM001A US P 5 10 Using Trim Pots and the Data Access Tool DAT...

Страница 79: ...ite zeros to the RTC Function File Real Time Clock Function File The real time clock provides year month day of month day of week hour minute and second information to the Real Time Clock RTC Function...

Страница 80: ...icator bit is clear 0 the battery level is acceptable or a real time clock is not attached If the RTC battery is low and the controller is powered the RTC operates normally If the controller power is...

Страница 81: ...ity allowing you to specify that if the program stored in the memory module does not match the program in the controller the controller will not enter an executing run or remote run mode To enable thi...

Страница 82: ...mode or fault condition Memory Module Information File The controller has a Memory Module Information MMI File which provides status from the attached memory module At power up or on detection of a m...

Страница 83: ...ing Vibration Operating 10 to 500 Hz 5G 0 030 in max peak to peak Relay Operation 2G Shock without Data Access Tool installed Operating 30G panel mounted 15G DIN Rail mounted Relay operation 7 5G pane...

Страница 84: ...onsumed by the system With that information use the graphs below to chose a power supply You can use either current or power depending on how the power supply is rated Figure 1 1 Input Current Require...

Страница 85: ...50 Hz 10k ohms at 60 Hz 3 3k ohms 2 7k ohms Inrush Current max 250 mA at 120V ac Not Applicable Not Applicable NOTE The 1764 24AWA input circuits inputs 0 11 do not support adjustable filter settings...

Страница 86: ...120V ac 15A 1 5A 125V dc 0 22A 2 2 For dc voltage applications the make break ampere rating for relay contacts can be determined by dividing 28 VA by the applied dc voltage For example 28 VA 48V dc 0...

Страница 87: ...Table A 8 Working Voltage 1764 24AWA Specification 1764 24AWA Power Supply Input to Backplane Isolation Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second...

Страница 88: ...d insulation Output Group to Output Group Isolation Verified by one of the following dielectric tests 1836V ac for 1 second or 2596V dc for 1 second 265V Working Voltage basic insulation 150V Working...

Страница 89: ...ecifications A 7 Controller Dimensions See page 2 11 for Base Unit Mounting Dimensions 168 mm 6 62 in 147 mm 5 78 in DIN rail center line 122 mm 4 813 in 132 mm 5 19 in 38 mm 1 49 in 35 mm 1 37 in Bas...

Страница 90: ...than 2 modules number of modules 1 X 35 mm 1 38 in Refer to host controller for this dimension NOTE All dimensions are in mm inches Hole spacing tolerance 0 4 mm 0 016 in 32 mm 1 26 in 18 mm 0 71 in 1...

Страница 91: ...catalog number Description Catalog Number Lithium Battery See page B 2 1747 BA ESD Barrier 1764 RPL TRM1 Base Terminal Doors See page B 5 1764 RPL TDR1 Processor Access Door See page B 5 1764 RPL CDR...

Страница 92: ...wire latch as shown below IMPORTANT When the processor s Battery Low indicator is lit install a replacement battery immediately After the indicator turns on the battery lasts for at least 14 days for...

Страница 93: ...nditions are met Transport by passenger aircraft is not permitted A special provision of DOT E7052 11th Rev October 21 1982 par 8 a provides that Persons that receive cell and batteries covered by thi...

Страница 94: ...rrosive The person disposing of the material is responsible for any hazard created in doing so State and local regulations may exist regarding the disposal of these materials For a lithium battery pro...

Страница 95: ...500 replacement doors Base Terminal Door 1764 RPL TDR1 Processor Access Door 1764 RPL CDR1 Base Comms Door included in 1764 RPL DR Trim Pots Mode Switch Cover Door included in 1764 RPL DR 1 3 2 VAC VD...

Страница 96: ...Publication 1764 UM001A US P B 6 Replacement Parts...

Страница 97: ...is not in Run mode or REM Run green controller is in Run mode or REM Run green flashing system is not in Run mode memory module transfer is in progress FAULT off no fault detected red flashing faulted...

Страница 98: ...ply Overloaded This problem can occur intermittently if power supply is overloaded when output loading and temperature varies Power and FAULT LEDs on solid Hardware faulted Processor Hardware Error Cy...

Страница 99: ...and recommended action Clear fault Test and verify system operation Is the error hardware related Is the Power LED on Are the wire connections tight Is the RUN LED on Is the Fault LED on See page C 2...

Страница 100: ...r cycling power the controller re enters the fault mode For more information on status bits refer to the MicroLogix 1200 and MicroLogix 1500 Instruction Set Reference Manual Manually Clearing Faults U...

Страница 101: ...or local distributor for assistance it is helpful to obtain the following prior to calling controller type series letter and revision letter of the base unit series letter revision letter and firmwar...

Страница 102: ...Publication 1764 UM001A US P C 6 Troubleshooting Your System...

Страница 103: ...ers and on line help a readme first file explaining how to upgrade the operating system Preparing for Upgrade Before upgrading the controller s operating system you must Obtain the operating system up...

Страница 104: ...grity of the new OS is checked If the new OS is corrupt the controller sends an error message to the computer and flashes the Missing or Corrupt OS LED pattern See Missing Corrupt OS LED Pattern below...

Страница 105: ...provides you with a variety of system configuration possibilities RS 232 defines electrical characteristics it is not a protocol One of the biggest benefits of an RS 232 interface is that it lets you...

Страница 106: ...or as shown below See page 4 10 for specific AIC cabling information Table E 1 DF1 Full Duplex Configuration Parameters Parameter Options Default Baud Rate 300 600 1200 2400 4800 9600 19 2K 38 4K 19 2...

Страница 107: ...through Personal Computer Modem Modem MicroLogix1500 Controller with 1764 LSP or 1764 LRP Processor Protocol DF1 Full Duplex protocol to 1 controller DF1 Half Duplex Slave protocol to multiple contro...

Страница 108: ...he DF1 Half Duplex protocol is that it is possible for a slave device to enable a MSG write or read to from another slave When the initiating slave is polled the MSG is sent to the master The master r...

Страница 109: ...dder program needs to requeue the MSG instruction If you are using a MSG instruction it is recommended that a Poll Timeout value of zero not be used Poll Timeout is disabled when set to zero RTS Off D...

Страница 110: ...LD CHS GND TX TX PWR TX DC SOURCE CABLE EXTERNAL TERM A B COM SHLD CHS GND TX TX PWR TX DC SOURCE CABLE EXTERNAL Rockwell Software RSLinx 2 0 or higher SLC 5 03 SLC 5 04 and SLC 5 05 or PLC 5 processo...

Страница 111: ...1764 LSP and 1764 LRP support ASCII out communications There fore they can cause the modem to initiate or disconnect a phone call Leased Line Modems Leased line modems are used with dedicated phone li...

Страница 112: ...on a DH 485 network DH 485 Network Description The DH 485 protocol defines the communication between multiple devices that coexist on a single pair of wires DH 485 protocol uses RS 485 Half Duplex as...

Страница 113: ...he allowable range of node addresses is 1 to 31 There must be at least one initiator on the network such as a MicroLogix controller or an SLC 5 02 or higher processor DH 485 Configuration Parameters W...

Страница 114: ...the PLC 5 DH and SLC 500 DH 485 networks Enables communication and data transfer from PLC to SLC 500 on DH 485 network Also enables programming software programming or data acquisition across DH to DH...

Страница 115: ...owing sections Hardware Considerations You need to decide the length of the communication cable where you route it and how to protect it from the environment where it will be installed When the commun...

Страница 116: ...greater than 20A but only up to 100 kVA and 0 30m 1 ft from lines of 100 kVA or more Running the communication cable through conduit provides extra protection from physical damage and electrical inte...

Страница 117: ...network performance occurs when node addresses are assigned in sequential order Initiators such as personal computers should be assigned the lowest numbered addresses to minimize the time required to...

Страница 118: ...XTERNAL TERM A B COM SHLD CHS GND TX TX PWR EXTERNAL TERM A B COM SHLD CHS GND TX TX PWR EXTERNAL TERM A B COM SHLD CHS GND TX TX PWR EXTERNAL MicroLogix 1500 connection from port 1 or port 2 to Micro...

Страница 119: ...COM SHLD CHS GND TX TX PWR TX DC SOURCE CABLE EXTERNAL A B PanelView PanelView 550 MicroLogix 1500with 1764 LRP Processor 1747 CP3 or 1761 CBL AC00 RJ45 port 1761 CBL AS09 or 1761 CBL AS03 1747 CP3 o...

Страница 120: ...SG instructions received The MicroLogix 1500 controllers can initiate MSG instructions to devices on the DH network PC can send read and write commands to MicroLogix 1500 controllers PC can do remote...

Страница 121: ...onfiguration parameters for Modbus Slave RTU Remote Terminal Unit transmission mode protocol refer to the MicroLogix 1200 and 1500 Programmable Controllers Instruction Set Reference Manual publication...

Страница 122: ...e allows you to select the mode of the delete character Toggles between Ignore CRT and Printer Delete Mode affects the characters echoed back to the remote device When Delete Mode is enabled the previ...

Страница 123: ...validation procedure accounts for the amount of 5V dc and 24V dc current consumed by controller expansion I O and user supplied equipment Use the MicroLogix 1500 System Expansion Worksheet Example on...

Страница 124: ...at 24V dc mA 1764 LSP 300 0 300 0 1764 LRP 380 0 1764 DAT 1 350 0 350 0 1761 NET AIC 1 0 120 2 0 120 2 2707 MVH232 or 2707 MVP232 1 0 80 2 0 2 Subtotal 650 120 Catalog Number n A B n x A n x B Number...

Страница 125: ...culated Current 650 mA 670 mA 1320 mA 120 mA 250 mA 370 mA Maximum Power 16W Calculated Power 1320 mA x 5V 6 60W 370 mA x 24V 8 88W 15 48 W User 24V Sensor Current Subtotal sum of all sensors must be...

Страница 126: ...mA at 5V dc mA at 24V dc mA 1764 LSP 300 0 1764 LRP 380 0 1764 DAT 1 350 0 1761 NET AIC 1 0 120 2 2707 MVH232 or 2707 MVP232 1 0 80 2 Subtotal Catalog Number n A B n x A n x B Number of Modules 8 maxi...

Страница 127: ...Value Total 5V dc Current Consumed Total 24V dc Current Consumed Total Watts Maximum Current 2250 mA 400 mA Calculated Current Maximum Power 16W Calculated Power User 24V Sensor Current Subtotal sum o...

Страница 128: ...t for the amount of 5V dc and 24V dc current consumed by your expansion I O and user supplied equipment NOTE For an electronic version of the worksheet visit the MicroLogix web site On the Internet go...

Страница 129: ...he power supply loading in your system is within the allowable range Figure 6 1 1769 PA2 Current with 24V dc User Load 0A Figure 6 2 1769 PA2 Current with 24V dc User Load 0 2A Specification 1769 PA2...

Страница 130: ...e current consumed from the left or right side of the power supply never exceeds 2A at 5V dc and 1 0A at 24V dc Use the current graph below to determine if the power supply loading in your system is w...

Страница 131: ...RTC 0 1769 IA16 3 30W x number of modules 3 30W x __________ 1769 IA8I 1 81W x number of modules 1 81W x __________ 1769 IM12 3 65W x number of modules 3 65W x __________ 1769 IQ16 3 55W x number of...

Страница 132: ...Publication 1764 UM001A US P F 10 System Loading and Heat Dissipation...

Страница 133: ...bits per second ELW The smallest unit of memory used in discrete or binary logic where the value 1 represents ON and 0 represents OFF EORFN GLDJUDPV A method used to illustrate logic components or a s...

Страница 134: ...m that represents traffic activity on a communications network 7 Data Terminal Equipment 0 Electromagnetic interference HPEHGGHG 2 Embedded I O is the controller s on board I O For MicroLogix controll...

Страница 135: ...electrical signal to the controller LQSXW VFDQ The controller reads all input devices connected to the input terminals LQUXVK FXUUHQW The temporary surge of current produced when a device or circuit...

Страница 136: ...ion making and computational functions 0DVWHU RQWURO 5HOD 0 5 A hard wired relay that can be de energized by any series connected emergency stop switch PQHPRQLF A simple and easy to remember term that...

Страница 137: ...nical switch is opened off state no current flows through the switch Semiconductor switches and transient suppression components which are sometimes used to protect switches have a small current flow...

Страница 138: ...m SURJUDP VFDQ A part of the controller s operating cycle During the program scan the logic program is processed and the Output Image is updated SURJUDPPLQJ GHYLFH Programming package used to develop...

Страница 139: ...is made up of four elements input scan program scan output scan and housekeeping VFDQ WLPH The time required for the controller to complete one scan VLQNLQJ A term used to describe current flow betwee...

Страница 140: ...age device ZDWFKGRJ WLPHU A timer that monitors a cyclical process and is cleared at the conclusion of each cycle If the watchdog runs past its programmed time period it causes a fault ZULWH To send d...

Страница 141: ...ife expectancy 6 2 baud rate glossary 1 bit glossary 1 bit key 5 3 Bit Mode 5 6 block diagrams glossary 1 Boolean operators glossary 1 branch glossary 1 C cables hardware overview 1 3 planning routes...

Страница 142: ...nications 4 16 DeviceNet network connecting 4 16 selecting cable 4 16 DF1 fullduplex protocol configuration parameters E 2 connecting 4 3 description E 1 example system configuration E 2 using a modem...

Страница 143: ...trolFlash software D 1 your controller 2 1 installing controller components compact I O 2 19 data access tool 2 17 memory module real time clock 2 18 processor 2 15 installing your base unit on DIN ra...

Страница 144: ...ary 5 off state leakage current glossary 5 one shot glossary 5 online glossary 5 operating voltage glossary 5 output device glossary 5 output scan glossary 6 output specifications A 4 1764 28BXB FET A...

Страница 145: ...4 periodic tests of master control relay circuit 2 5 power distribution 2 4 safety circuits 2 4 save glossary 7 scan glossary 7 scan time glossary 7 sinking glossary 7 sinking and sourcing circuits 3...

Страница 146: ...rements 3 1 wiring spade lug 3 3 wiring diagrams 3 7 wiring recommendation 3 1 wiring your controller 3 1 Working Screen Operation 5 7 working voltage 1764 24AWA specifications A 5 working voltage 176...

Страница 147: ...AB Spares...

Страница 148: ...cation 1764 UM001A US P April 2000 9 PN 40072 091 01 A Supersedes Publication 1764 6 1 February 1999 and 1764 6 1 DU1 September 1999 2000 Rockwell International Corporation Printed in the U S A Back C...

Страница 149: ...AB Spares...

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