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Sharp JW-20CM User Manual

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SHARP Programmable Controller
New Satellite W series
R
Network module
Remote I/O slave module
User's Manual
Version 2.2
Produced in Oct. 1997
Model Name
JW-20CM
JW-20RS

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   Summary of Contents for Sharp JW-20CM

  • Page 1 SHARP Programmable Controller New Satellite W series Network module Remote I/O slave module User’s Manual Version 2.2 Produced in Oct. 1997 Model Name JW-20CM JW-20RS...
  • Page 2 Keep this manual for future reference. We are confident that this manual will be helpful whenever you encounter a problem. ★ This manual describes the JW-20CM, JW-20RS with 30Hn mark in front of the module. The following functions are added for the JW-20CM and JW-20RS without [30Hn] marks.
  • Page 3: Safety Precautions

    Read this manual and attached documents carefully before installation, operation, maintenance and checking in order to use the machine correctly. Understand all of the machine knowledge, safety information, and cautions before starting to use. In this instruction manual, safety precautions are ranked into "danger" and "caution"...
  • Page 4 • Don’t touch the terminal while the power is being supplied or you may have an electric shock. • Assemble the emergency stop circuit and interlock circuit outside of the programmable controller. Otherwise breakdown or accident damage of the machine may be caused by the trouble of the programmable controller.
  • Page 5 ■ Configuration of this manual The network module JW-20CM has three functions: "remote I/O," "data link," and "computer link" functions. Accordingly, this manual describes about these three functions. Read each section according to your use of any of these functions.
  • Page 6 Network module JW-20CM Remote I/O slave module JW-20RS - User’s Manual - Chapter 1. Outline Chapter 2. Safety Precautions Chapter 3. System Configuration Chapter 4. Name and Function of Each Part Chapter 5. Installation Chapter 6. Processing of Cables Chapter 7. Wiring Chapter 8.
  • Page 7: Table Of Contents

    2-4 Static electricity 2·3 2-5 Maintenance 2·3 Chapter 3 System Configuration ... 3·1 Chapter 4 Name and Function of Each Part ... 4·1 4-1 JW-20CM 4·1 4-2 JW-20RS 4·3 Chapter 5 Installation ... 5·1 5-1 JW-20CM 5·1 5-2 JW-20RS 5·4 Chapter 6 Processing of Cables ...
  • Page 8 Chapter 11 Support Tools ... 11·1 11-1 Record and load by ladder software (JW-50SP) 11·1 11-2 Remote function 11·5 Chapter 12 Specifications ...12·1 12-1 JW-20CM 12·1 12-2 JW-20RS 12·4 Chapter 13 Appendix ... 13·1 13-1 Maintenance and check 13·1 13-2 Switch setting table 13·2 13-3 Parameter memory table 13·3...
  • Page 9: Chapter 1 Outline

    PC. ③ Remote programming/remote monitor function By constructing a satellite system using the JW-20CM, you can program and monitor other station’s PC’s (master station’s PC in case that remote I/O function) on the satellite system using a support tool.
  • Page 10: Chapter 2 Safety Precautions

    • Sudden temperature changes which may cause condensation. • Corrosive or inflammable gas • Vibration or hard jolts ● Prior to installing or detaching the JW-20CM, make sure to turn OFF the power supply to the PCs. ● All screws must be tightened firmly. 2-2 Wiring ●...
  • Page 11 ● Arrange branch cable line from a trunk within 400 mm. ● Prior to any electric welding around the JW-20CM, take out the coaxial cable from the JW-20CM. While the coaxial cable is connected to the JW-20CM, any electric welding nearby the JW-20CM will cause the welding current to enter the JW-20CM and may damage part of its circuit pattern.
  • Page 12: Treatment 2·3

    20CM, touch your hand to a grounded piece of metal to discharge the static current in your body. 2-5 Maintenance Use a clean, dry cloth when cleaning the JW-20CM. Do not use volatile chemicals such as thinner or alcohol as it may result in deformation and color fading.
  • Page 13: Chapter 3 System Configuration

    Chapter 3 System Configuration (Example of system configuration) Master station 00 Slave station 01 JW-20CM JW-20CM Data link system Compuer link system Slave station 01 JW-20RS Remote I/O system (slave station : 63 stations max., Total extension length: 1km max.) “PC”...
  • Page 14: Chapter 4 Name And Function Of Each Part

    Chapter 4 Name and Function of Each Part 4-1 JW-20CM ① ② ③ ④ ⑤ ⑥ ① Indication lamps Lamps light ON/OFF indicates operation condition. JW–20CM C O M M ○ ○ S 0 S D ○ ○ S 1 R D ○...
  • Page 15 ③ Support tool connection connector Connect a support tool and set parameter etc. ④ Setting switch Set functions of JW-20CM. Set at delivery MODE STA.NO. ×10 ×1 (ON) (ON) ⑤ Communication cable connection connector BNC type receptacle (jack) ⑥ Connector protective cap ⑦...
  • Page 16: Jw-20rs 4·3

    4-2 JW-20RS ① ② ③ ④ ⑤ ⑥ ① Indication lamps Lamps light ON/OFF indicates operation condition. JW–20RS C O M M ○ ○ S 0 S D ○ ○ S 1 R D ○ ○ S 2 C D ○ ○...
  • Page 17 ③ Support tool connection connector Connect a support tool and set parameter etc. ④ Setting switch Set functions of JW-20RS. Set at delivery MODE STA.NO. ×10 ×1 (ON) (ON) Output hold switch ⑤ Communication cable connection connector BNC type receptacle (jack) ⑥...
  • Page 18: Chapter 5 Installation

    Chapter 5 Installation 5-1 JW-20CM (1) Installation of cable for option module Install the optional cable on the basic rack panel that installed JW-20CM. In case that install a basic rack panel JW-4BU to ZW-2CC ① Bend the optional cable...
  • Page 19 ② Attach the connectors in the optional cable one after another, starting from the left side. Basic rack panel JW-4BU Pay close attention to the installation of the connector. Cable for option module ZW-2CC 6 mounting screws (Attached to cable for option module) ·...
  • Page 20 · Be careful not to bend the connector pins on the module by applying too much force to them. Module · More than one modules of JW-20CM can be installed on one basic rack panel. However they cannot communicate by crossing-over another network.
  • Page 21: Jw-20rs 5·4

    5-2 JW-20RS Choose type of basic rack panel of the remote I/O slave module (JW-20RS) considering kinds and number of I/O modules to be installed. When I/O modules for JW model are used, maximum two modules of basic rack panel can be connected per one remote I/O slave module.
  • Page 22 (1) Installation of power supply module Attach the end left of rack panel using the two module attachment screws. Module attachment screw hole Phillips screwdriver Output connector Module attachment screw hole Phillips screwdriver Rack panel attachment screw ·...
  • Page 23 (2) Installation of JW-20RS Install the JW-20RS in the second slot from the left end using the two module attachment screws. Before installation or removal, make sure to shut OFF the power supply to the PC. Power supply module Phillips screwdriver JW-20RS ·...
  • Page 24: Chapter 6 Processing Of Cables

    Chapter 6 Processing of Cables Make sure to use the recommended models shown below for cables and connectors. Name High frequency Cable coaxial cable Crimping tools Stripper for high frequency coaxial cable “L” jacket Jacket “T” jacket Insulation Self-adhesive tape tape Connector Straight...
  • Page 25: Processing Cable End 6·2

    6-1 Processing cable end ① Applicable cable High frequency coaxial cable: ME-5C-2V ② Required tools Stripper for high frequency coaxial cable: CST-TM ③ Processing procedure Move the cam wheel of the stripper (amber colored ring) back and forth and the cable holder moves back and forth accordingly.
  • Page 26 From the previous page <Cutting of coating, external conductor, Put a coaxial cable while remaining approximately 10 mm into the cable stripper and securely tighten the cable with the middle finger, ring finger, and little finger of your left hand in order to hold stable during turning the stripper.
  • Page 27 From the previous page We recommend that in order to keep the adjusted position of the adjustment screws, after completion of adjustment for the coaxial cable and the screw holder, write the screw position etc. on a sticker and adhere it to the adjustment screws. Hold up the upper section of the screw holder with a minus driver, and open the screw holder.
  • Page 28: Connector Crimping Procedure 6·5

    6-2 Connector crimping procedure ① Required tools: Hand-held crimping tool Model Dice No. Crimping width ② Connector: ME-GP-01 ③ Processing procedure Put through a sleeve to an end-processed high frequency coaxial cable. Insert a contact into the internal conductor and crimp. Put a contact into dice having a diamond shape and closely stick its end surface with the insulator and the...
  • Page 29 From the previous page Slightly widen the external conductor of the coaxial cable, which is crimped to a contact on the internal conductor, in order to smoothly enter the shell inside the external conductor. Press in the external conductor end of the coaxial cable to just before the crimping part of the shell and put the sleeve into the crimping section.
  • Page 30: Chapter 7 Wiring

    Chapter 7 Wiring 7-1 Cable trunk and branch lines ① On the illustration of the cable wiring below, a bold line means a trunk and the thin lines branched from the trunk with a “T” shape are called branch lines. ②...
  • Page 31: Cable Wiring Procedure In Control Panel 7·2

    [1] Fixing of the cable In order not to put any force on the cable and the JW-20CM, fasten the cable to an line nearby input of a control panel or a “T” branch point to the JW- 20CM using saddles etc.
  • Page 32 [5] Grounding of power supply module Make sure to connect the GND terminal of the power supply module to a class-3 grounding. • If the power supply module is not grounded, the JW-20CM cannot conduct with the ground after turning “ON” the shield ground switch.
  • Page 33: Waterproof And Insulation Processing Of Connectors 7·4

    7-4 Waterproof and insulation processing of connectors In order to prevent water intrusion into the “T” branch connectors and the straight connectors, we recommend to wind a self-adhesive tape and provide waterproof processing for them. For insulation purposes, cover these connectors with jackets. [1] “T”...
  • Page 34: Wiring Of Cables At Outside Control Panels 7·5

    When other cables run in the same duct as the coaxial cable, run the coaxial cable on the top position. ③ Do not run the coaxial cable outdoors as it may cause damage to the JW-20CM due to inductive lightning or atmospheric charge during lightning.
  • Page 35: Wiring Method For Adding A Communication Station 7·6

    7-7 Wiring method for adding a communication station [1] Branching method When branching a line for an additional station, be sure to branch from the trunk using a T connector. Never branch from a branch line. Station number Branch Trunk line cable [2] Station number of the additional station...
  • Page 36 [3] Notes When adding a communication station, follow the items below. Item Branch from the trunk cable. Don’t use the same station number twice. Check the termination resistance switch. Provide extra length for the expansion cable. Do not exceed the 1 km limit for total length of the cable.
  • Page 37: Wiring To Power Supply Module 7·8

    7-8 Wiring to power supply module [1] JW-1PU · Open the terminal block cover, fasten with the screw with torque of less than 12kg·cm. · A maximum of three halt output lines can be connected serial. To use more than three sets, use a relay for interconnection.
  • Page 38 [2] JW-2PU · Open the terminal block cover, fasten with the screw with torque of less than 12kg·cm. · Halt output lines can not be connected serial. To use more than two sets, use a relay for interconnec-tion. Do not use. 24 VDC DC relay The coil rating must conform to the power supply voltage.
  • Page 39: Chapter 8 Remote I

    JW-20CM can control these I/O modules. · Connect between a master station JW-20CM and slave station JW-20RS using one coaxial cable. As the network module JW-20CM and remote I/O slave module JW-20RS control communication, there is no need any special program for the PC.
  • Page 40 · Rack panel can use 2 sets max. per slave station. But, unavailable for use I/O bus expansion adapter (JW-1EA,JW-2EA). 2 rack panels max. · Special I/O module of JW model has the following limitation for number of modules to be used. n i l t i s ·...
  • Page 41: Data Transfer Required Time And Communication Timing 8·3

    8-2 Data transfer required time and communication timing (1) Required time for data transfer Time required for a master station to communicate with all the slave stations is determined by number of connected stations and number of points of all slave stations, as well as number of data bytes of JW model special I/O modules.
  • Page 42 · For communication with slave stations, either of "synchronous" and "asynchronous" can be selected for operation with the master station PC. · When "synchronous" is selected, the JW-20CM communicates with synchronize with operation (one scan) of the master station PC.
  • Page 43 ① Operational synchronous When more than one JW-20CM is installed while using the remote I/O function, set only one module as “operational synchronous.” When a link module ZW-10CM or JW-10CM is used for remote I/O, the JW-20CM should be set as “operational asynchronous.”...
  • Page 44 (2) Data flow with slave module I/O processing of the slave module shall be carried out after completion of communication with the master station. Master station 親局 PC ZW-20CM JW-20CM I / O 処理 I/O processing データ交換 Data exchange I/O processing I / O 処理...
  • Page 45 (4) Voltage interruption time of slave module The voltage interruption operation of slave module is carried out for service interruption signal (PF signal) of power supply module, watchdog timer of slave module, and check 5 V power regardless of setting voltage interruption time (#246) of master module. Start PF signal OFF Communicating...
  • Page 46: Outline Of Switch And Parameter Setting Procedure

    · Make sure to turn “OFF” the power of the PC prior to setting the switch. · Parameter must be started from the slave module first. · Prior to setting the parameters of master module, set the operation mode of the JW-20CM to “program mode.”...
  • Page 47 (1) Switch setting of master module (JW-20CM) Operation procedure Power “OFF” master/slave station Remove the setting switch cover. Set STA. NO. (station number) switch Set LT (termination resistance) switch Start Set MODE (function) switch Set LG (shield ground) switch Attach label ·...
  • Page 48 Turn master module and slave module power “OFF.” Remove the setting switch cover of master module JW-20CM. · With your fingertips over the top and bottom of the switch cover, pull the cover towards you to remove it. · Keep the cover saved as it must be installed after switch setting.
  • Page 49 From the previous page Set LT (termination resistance) switch • When a JW-20CM master module is at either end the communication line, make sure to set the termination resistance switch "ON." Reference: Function of the termination resistance switch If the communication line does not have a termination resistance, the high frequency signal will be reflected at the ends of the cable.
  • Page 50 “ON” the shield ground switch. (See page 7·2.) • Prior to any electric welding around the JW-20CM, take out the coaxial cable from the JW-20CM. While the coaxial cable is connected to the JW-20CM, any electric welding nearby the JW-20CM will cause the welding current to the JW-20CM and may damage part of its circuit pattern.
  • Page 51 From the previous page Attach label · Attach the remote I/O master station label to this module, make setting “remote I/O master station function” clear. · Write “FIX” on this label. LINK FUNCTION Switch setting end of master module REMOTE I/O MASTER STATION NO.
  • Page 52 (2) Switch setting of slave module (JW-20RS) Operation procedure All slave module in common for setting method Start Power “OFF” master/slave station Set output hold switch Remove the setting switch cover. Set MODE (function) switch Set STA. NO. (station number) switch Set LT (termination resistance) switch Set LG (shield ground) switch Attach label...
  • Page 53 Power “OFF” master/slave station Set output hold switch · Set this switch whether to "latch" or "turn OFF all points" of output circuits when the slave module JW-20RS stops operation. · In case of using I/O module of JW model, be sure to setting “HOLD”.
  • Page 54 From the previous page Set STA. NO. (station number) switch · Set "STA. NO" (station number) in octal notation in sequential numbers from 01 to 77. Be careful that there is no doubled setting or l a c k e d n u m b e r s e t t i n g . ( N u m b e r o f connectable slave stations: See page 8·2) Set LT (termination resistance) switch •...
  • Page 55 “ON” the shield ground switch. (See page 7·2.) • Prior to any electric welding around the JW-20CM, take out the coaxial cable from the JW- 20CM. While the coaxial cable is connected to the JW-20CM, any electric welding nearby the JW-20CM will cause the welding current to the JW-20CM and may damage part of its circuit pattern.
  • Page 56 From the previous page Write in label · Write “FIX” and “STA. NO.” on label of remote I/O slave station, make setting contents clear. STATION NO. Switch setting end of slave module ·...
  • Page 57 (3) Parameter setting of slave module (JW-20RS) Set the following parameter address after setting switch. Setting item varies with using I/O module (JW model or ZW model). · · · · t s i c i t y l l t i r ·...
  • Page 58 Operation procedure ① Set of check no. of I/O bytes (parameter address 003750 ② Set no. of I/O bytes In case of using ZW-I/O No check the no. of I/O bytes ① Set of check no. of I/O bytes = 45 (parameter address 003750 = 00 [8·24]...
  • Page 59 (parameter address 001001 = 64 (parameter address 001001 ① to ⑧ are applied to page 8·24 to 29. · = 65 , the (default setting), the JW-20CM Set the kinds of I/O module [8·26] Registration of I/O table = 64 [8·27]...
  • Page 60 Turn “ON” the power of slave module Connect support tools · Connect a support tool with the slave module JW-20RS and prepare the setting parameter. <Usable support tools> JW-13PG/12PG JW-50SP JW-50PG, Z-100LP2S • For operation of each support tool, see the instruction manual attached. The following describes an example of JW-13PG’s key operation.
  • Page 61 From the previous page Writing to the EEPROM, start operation · Write “81 ” into parameter address 003777 EEPROM. Then start the slave module. · After starting operation, the setting value changes to “01 Setting value Stop operation Start operation Writing to the EEPROM, stop operation Writing to the EEPROM, start operation Initialize setting values of parameter addresses...
  • Page 62 "Only when using ZW model I/O module" ① Select "number of I/O byte checking" function (Applied to item ① on pages 8·20 to 22) · Select whether to check or not number of bytes of I/O module used for the remote I/O slave module.
  • Page 63 "Only when manual I/O registration using the JW model I/O module" ③ Set number of dummy I/O points (Applied to item ③ on pages 8·20 to 22) · Set to allocate addresses (dummy I/Os) on vacant slots in parameter address 000000 to 000017 ·...
  • Page 64 "Only when manual I/O registration using JW model I/O modules" ④ Set type of I/O module (Applied to item ④ on pages 8·20 to 22) · Set types of installed I/O module in each slot and number of dummy I/O points set for vacant slot into parameter address 000100 to 000137 ·...
  • Page 65 "Only when using JW model I/O modules" ⑤ Registration of I/O table [HEX (hexadecimal), byte] (Applied to item ⑤ on pages 8·20 to 22) · Set in parameter address 001001 When setting is complete normally, set value will be 00 ·...
  • Page 66 "Only when using JW model I/O module" ⑦ Set maximum rack and slot numbers (Applied to item ⑦ on pages 8·20 to 22) · Set maximum rack and slot numbers in parameter address 001000 time. · If this is left 00 (default value), the JW-20RS processes from rack No.
  • Page 67 "Only when using JW model I/O module" ⑧ Setting remote I/O top address (Applied to item ⑧ on pages 8·20 to 22) · In order to light a search module (SU) lamp, set remote I/O top address of each slave station which are allocated in the master station using file address into parameter address 001004 and 001005 Lower bits...
  • Page 68 (4) Parameter setting of master module (JW-20CM) Set the following parameter address after setting switch. Setting item varies with using PC (JW model or ZW model). t s i l a i t i r · If a special I/O module is not set in a slave station, the setting is not required.
  • Page 69 Operation procedure Turn ON the power switch on the master station PC Stop operation of the remote I/Os (parameter address 003777 When using fixed allocation mode Set the remote I/O top address Set the number of slave station I/O points Set the blanks between stations When the master station PC is a...
  • Page 70 Parameter setting range <Fixed allocation> · When fixed allocation is used, set parameter within the range shown below: コ0000 コ1577 (Setting of JW model special I/O module) t s i <Manual allocation> · When the manual allocation is used, set parameter within the range shown below: コ0000 コ1577 (Setting of JW model special I/O module)
  • Page 71 (Operation example of JW-13PG) Stop PC operation Select initial mode Stop operation of remote I/O · Setting of the parameter is only available when the operation of the JW-20CM is stopped. · Write “00 ” to parameter address 007777 (Operation example of JW-13PG) Display the contents of parameter address 003777 by hexadecimal.
  • Page 72 From the previous page Set remote I/O operation mode · Set operation method of the remote I/O into parameter address 000000 Set value Operation when a slave station error occurs • Remote I/O operation (communication) stops. • The PC continues operation. (Mode 1) •...
  • Page 73 From the previous page Set number of connected slave stations · Set number of connected remote I/O slave stations into parameter address 000001 · Maximum number of connectable slave stations varies with setting value of I/O points per slave station. (When to set 10 using the JW-13PG) "Only when using fixed allocation mode"...
  • Page 74 Do not output flag : OFF Remarks · The PC's input/output relays, auxiliary relays, registers etc. are all allocated individual byte addresses for each item. However, the JW-20CM can assign these addresses with file addressees allocated throughout the memory. File address...
  • Page 75 From the previous page Writing to the EEPROM of the JW-20CM, start operation · Write “81 ” into parameter address 003777 EEPROM of the JW-20CM. Then start the remote I/O operate. · After starting operation, the setting value changes to “01 Setting value Stop operation of the remote I/O (initial value) ·...
  • Page 76 "Only when using fixed allocation" ③ Enter the number of slave station I/O points (Applied to item ③ on pages 8·31 and 8·35) · Store the number of I/O points per slave station at parameter address 000200 · The number of slave stations that can be connected varies with the setting for the number of I/O points per slave station.
  • Page 77 "Only when using fixed allocation" ④ Set blanks between stations (Applied to item ④ on pages 8·31 and 8·35) · Enter the number of blank bytes for each slave station at parameter addresses 000301 to 000376 · Enter only the number of blank stations needed using 0 to 255 Initial value: 00 in all addresses Ex.: In case of setting as blanks in slave stations 2 to 3 to prevent double use of the 8 bytes in the...
  • Page 78 "Only when using manual allocation" ⑤ Enter the I/O top addresses of slave stations 02 to 77 (Applied to item ⑤ on pages 8·31 and 8·35) · Enter the remote I/O top address for each slave station at parameter addresses 000004 to 000177 , using file addresses.
  • Page 79 [Single address and continuous address] · If a slave station's I/O area is not linked to the previous slave station's I/O area, this slave station should be set as a "single address slave station ." · If a slave station's I/O area is linked to the previous slave station's I/O area, you do not have to set the address this slave station if "continuous address"...
  • Page 80 "Only when using manual allocation " ⑥ Enter the number of I/O bytes for each slave station (Applied to item ⑥ on pages 8·31 and 8·35) · Enter the number of I/O bytes per slave station at parameter addresses 000201 to 000277 ·...
  • Page 81 "Only when the master station is a JW model" ⑦ Enter the I/O type for each slave station (Applied to item ⑦ on pages 8·31 and 8·35) · Declare whether the I/O module installed in each slave station (01 to 77 "ZW model"...
  • Page 82 "Only when the master station PC is a JW model and a JW model special I/O module is used as a slave station" ⑧ Enter the data register address of the special I/O module (Applied to item ⑧ on pages 8·31 and 8·35) ·...
  • Page 83 ■ ■ ■ ■ ■ Top register address Enter top address of each special I/O module, which can be allocated up to 64 points per unit, at file addresses 000000 to 017700 Bit contents of the parameter address 000603 etc. 7 6 5 4 3 2 1 0 Lower 2 digits are always 00.
  • Page 84 8-4 Error and treatment Operation status of the JW-20CM can be check by indication lamps, flags, or system memory. (1) Indication lamp ① JW-20CM e l i e l i e l i e l i c t i e l i...
  • Page 85 • To check the communication cable, remove both connectors and short the connector terminals at one end. Then measure the conductivity using a tester. • Check the parameter and switch settings for all stations. If the settings are correct, replace the JW-20CM or JW-20RS. Cause ROM error, upper CPU...
  • Page 86 ② JW-20RS e l i e l i e l i e l i c t i e l i e l i Indication lamp i r r · · · · · JW–20RS C O M M ○ ○ S 0 S D ○...
  • Page 87 • To check the communication cable, remove both connectors and short the connector terminals at one end. Then measure the conductivity using a tester. • Check the parameter and switch settings for all stations. If the settings are correct, replace the JW-20CM or JW-20RS.   Error...
  • Page 88 If the error cannot be eliminated after replacing the module in which the error occurred, check the modules in the JW-20RS and then in the rack panel. ③ PC body and JW-20CM, JW-20RS The operating status of the remote master station and slave stations will vary according to the operation, stop, error, and power failure conditions in the PC as follows.
  • Page 89 (2) Flag Flag area is 8 bytes from the “flag top address” set in the master station JW-20CM parameter, monitor communication condition. Example: In this case the flag top address is file address 000740        D7 D6 D5 D4 D3 D2 D1 D0 ...
  • Page 90 (3) Error code When an error occurs in the JW-20CM, it stores the occurred error’s code to system memory #170 of each station’s PC. Error code (HEX) ROM error, upper CPU RAM error, upper CPU 2 port RAM error against PC, upper CPU...
  • Page 91 Thus, the system memory can store up to 8 errors. When the PC is operating by RAM, these error codes do not disappear even after turning OFF the power. The contents of system memory #170 to #177 are kept storing after the JW-20CM recovers from the error.
  • Page 92 (4) Recovery method at communication errors ① Check flow chart Occurrence of error Connection status of cable/connector are normal. First communication? Does the error occur See “When the communication error occurs continuously” on page 8·60. See “Check cable/connector” on next page. See “During initial communica- tion”...
  • Page 93 Set the error operation mode of a JW-20CM master module to “2.” FT lamp turns ON Monitor “individual communication flag” in support tool.
  • Page 94 • If the bus cable between the slave station 05 State of an individual communication flag Unstable Remove the connector on point A, and turn ON the termination resistance of the master station. Connect the A connector, and then remove the connector on point B.
  • Page 95 ③ During initial communication (start-up of the system) Check the error code of master station · When the master station indicates error code BF The cause may be a parameter setting error of the master station. Check the master station parameters.
  • Page 96 Parameter setting range <Fixed allocation> · When fixed allocation is used, set parameter within the range shown below: コ0000 コ1577 (Setting of JW model special I/O module) t s i <Manual allocation> · When the manual allocation is used, set parameter within the range shown below: コ0000 コ1577 (Setting of JW model special I/O module)
  • Page 97 ④ When the communication error occurs instantaneously. Cause may be: • Noise on the communication line. • Fault of a communication module. • Fault of a communication cable. Check the error’s timing. When the error occurs synchronous with a peripheral industrial robot’s operation, noise to the communication line may be a cause.
  • Page 98 ⑤ When the communication error occurs continuously. Identify the error station. Specify the error’s station using the communication flag etc., (see page 8·51) and error code (see page 8·47). Then check this station. • Check the power of the error’s station. •...
  • Page 99: Chapter 9 Data Link

    PC does not need any special programming. · When the JW-20CM is assigned as a slave station, it has the standard function and memory capacity save function for data link. But the data contents for receiving from other stations is different between these two functions.
  • Page 100 Each station sends data in its sending area cyclically and stores data received from other stations in its receiving area. Station number 00 For the JW-20CM to execute automatically these sending and receiving procedures, a special program for communication is required. Data link have relay link and register link. They can use at the same time.
  • Page 101 (2) Register link function Mainly used for sending and receiving numerical data. [Example] In the case of sending 1 byte data from a master station and slave station 01 and 02. Master station (PC00) 09200 09201 09202 F-00 コ 0000 09200 Register 09201 Register...
  • Page 102 ⑤ ⑥ Memory Standard capacity save function function Slave station Slave station ③ Memory in JW-20CM n i l n i l n i l n i l · ○ : Sending area ● : Receiving area ⑤ ⑥ ④...
  • Page 103 [3] Link function with specific station (F200/F201 link function) There is a function for communicating data other than the parameter setting values using the PC's application instructions F-200 (write to ports) and F-201 (read from ports). The JW-20CM communicates data while executing data link operations.
  • Page 104 SEND/RECEIVE functions. You can select the starting system in each channel using a parameter. · With the "Data memory start system," the JW-20CM can communicate across different hierarchies of the satellite net. However, this type of communication has the following limitations.
  • Page 105 [Countermeasure] Change the input conditions to a latched relay. However if you turn OFF and ON the power during execution of the instruction while the input condition is set to a latched relay, the JW-20CM will come to the following state.
  • Page 106 [Example ] In case of writing data of 8 bytes to slave station 03 Module number installing own station JW-20CM : 2 Channel number using own station JW-20CM : 0 Data area of slave station 03 Receive top address of slave station 03 Send data top address of own station :コ1000...
  • Page 107 (2) Data memory starting system The data memory starting system is the system which starts the SEND/RECEIVE functions without using exclusive instructions. Set the target station number, data memory address, etc. on the specified data memory (communication information storage area). You can increase the amount of data to be transferred in one SEND/RECEIVE operation using multiple connected channels.
  • Page 108 R_SL ADR __ A SEG __ A ADR __ B SEG __ B * Input : Control module ← JW-20CM, Output : Control module → JW-20CM • Contents of FLAGS Value of FLAGS *Input/ Output Flag (the same as コ 0735. Refer to the following table for the details.)
  • Page 109 [Example] In case of writing 8 bytes data to slave station 03 Module number installing own station JW-20CM : 2 Channel number using own station JW-20CM : 0 Sending data top address of own station : コ1000 (file 0, file address 001000 Data area of target station : 09000 (file 0, file address 004000 Top address of communication information storage area : コ1100...
  • Page 110 9-3 Data transfer required time and communication delay time (1) Required time for data transfer This is the time required for the master station to complete communication with all stations, and is determined by the number of connected stations with and the number of data items to transmit. Transmission T operation cycle =                ...
  • Page 111 Communication delay time is the total time of ① to ⑦ above. Remarks The buffer memory contents of the JW-20CM is renewed for each PC operation cycle. Therefore, a contact point which turns “ON” for only one operation cycle of a PC may not be transferred.
  • Page 112 (3) Data transmission between master PC and slave PC Providing synchronous transfer gives positive data communication. [An example of synchronized transfer by OUT instruction] Master station (PC00) コ 0200 コ 0203 Program in master station 00000 F–44 02000 • 00000 is turned “ON” at the master station side. (OUT 02000 is a self-holding circuit.) •...
  • Page 113: Expansion Of Network

    (1) Multiple installation of the JW-20CM Mounting more than one JW-20CM on the optional slot of the basic rack panel can increase the number of stations. [In the case of mounting 4 sets of JW-20CM]...
  • Page 114 (2) Hierarchical link When 2 sets of JW-20CM are mounted on the optional slot of the basic rack panel, hierarchical link communication is possible and can increase the number of stations. Slave 01 02 Slave 21 20 Remarks • Pay attention to hierarchical link system consisting of more than two levels as it takes time for communication between the stations at the highest level and at the lowest level.
  • Page 115: Switch Setting Of Master Station Or Slave Station

    9-5 Switch setting of master station or slave station Operation procedure In brackets: See page in Chapter 9 Start Power “OFF” master/slave station Remove the setting switch cover. Set MODE (function) switch Set STA. NO. (station number) switch Set LT (termination resistance) switch Set LG (shield ground) switch Attach label ·...
  • Page 116 Turn master module and slave module power “OFF.” Remove the setting switch cover of network module JW-20CM. · With your fingertips over the top and bottom of the switch cover, pull the cover towards you to remove it. · Keep the cover saved as it must be installed after switch setting.
  • Page 117 From the previous page Set LT (termination resistance) switch • When master module or slave module is at either end the communication line, make sure to set the termination resistance switch "ON." Reference: Function of the termination resistance switch If the communication line does not have a termination resistance, the high frequency signal will be reflected at the ends of the cable.
  • Page 118 “ON” the shield ground switch. (See page 7 · 2.) • Prior to any electric welding around the JW-20CM, take out the coaxial cable from the JW-20CM. While the coaxial cable is connected to the JW-20CM, any electric welding nearby the JW-20CM will cause the welding current to the JW-20CM and may damage part of its circuit pattern.
  • Page 119 From the previous page Attach label · Attach the data link label to this module, make setting “data link function” clear. · Write “STATION NO.” on this label. In case of master module LINK FUNCTION DATA LINK STATION NO. PC00 Switch setting end.
  • Page 120: Setting Contents Of Slave Station Parameters

    9-6 Setting contents of slave station parameters When the JW-20CM is used as a slave station, set the following items for parameters. Setting item Setting time-out item of SEND/ ① RECEIVE instruction Setting PC model of each ② station in SEND/RECEIVE...
  • Page 121 Operation procedure Turn “ON” the power of master station PC Stop operation of data link (007777 ① Set time-out time of SEND/RECEIVE instruction Set PC model of each station in SEND/RECEIVE function ② ③ Select system of each channel in SEND/RECEIVE function Set top address in communication storage area ④...
  • Page 122 (Operation example of JW-13PG) Select initial mode Stop operation of data link · Setting of the parameter is only available when the operation of the JW-20CM is stopped. · Write “00 ” to parameter address 007777 (Operation example of JW-13PG) Display the contents of parameter address 007777 by hexadecimal.
  • Page 123 From the previous page “When PC is JW model and the SEND/RECEIVE function is used” Set time-out time of SEND/RECEIVE function [DCM (decimal), byte] When the own station uses the SEND/RECEIVE instructions, set the time-out time on each communication target station. Setting range is 001 (0.1 sec.) to 255 (25.5 sec.) by decimal.
  • Page 124 · Assign model type of the communication target station from ZW and JW PCs, ZW-20CM with JW applied or not, or JW-22CM (JW20/20H, JW30H). Communication module of target station ZW-20CM (without JW applied sign) ZW-20CM (with JW applied sign) JW-20CM JW-22CM Address Station number Master...
  • Page 125 From the previous page “When PC is JW model and the SEND/RECEIVE function is used” Select system in each channel in SEND/RECEIVE function Select the method of each channel (instruction or data memory starting) on the parameter address 007700 to 007703 007700 CH 0 007701...
  • Page 126 From the previous page “When PC is JW model and the SEND/RECEIVE function is used” Set top address in communication information storage area when using data memory system of SEND/RECEIVE function · Set file address 007710 007711 File number of communication 007712 007713 This setting is valid by 80...
  • Page 127 From the previous page “When PC is JW model and the memory capacity save function is used” Set top address of relay link area. · Set file address in parameter address 007730 to 007733 These top addresses should not overlap the register link area, flag area, or any area used by other option module.
  • Page 128 007765 007766 007767 Remarks · The PC's input/output relays, auxiliary relays, registers etc. are all allocated individual byte addresses for each item. However, the JW-20CM can assign these addresses with file addressees allocated throughout the memory. File address 000377 000400...
  • Page 129 Enter communication error detection interval · If the JW-20CM does not receive data from a station within the specified time (initial value: 250 ms when fewer than 32 stations are connected, 450 ms when more than 33 stations are connected), it turns OFF the communication monitor flag corresponding to this station.
  • Page 130 · Written contents into the EEPROM are automatically transferred to the RAM of the JW-20CM when turning ON the power of the PC. At transferring, the PC checks BCC and compares...
  • Page 131: Setting Contents Of Master Station Parameters

    9-7 Setting contents of master station parameters [1] Setting contents When the JW-20CM is used as a master station, set the following items for parameters after setting switches. For details of the parameter memory, see pages 13·9 to 15. n i l ①...
  • Page 132 ⑮ ⑯ ⑰ ⑱ ⑲ • ① to ⑲ correspond to numbers in page 9·38. l a i e l i e l i e l i · Corresponding signs on pages 9·35 to 37 ※ o l l d i l s t i ↓...
  • Page 133 [2] Communication area map (1) In case that setting data link (the standard function) when the master station and all slave stations are JW-20CM. Master station 00   (Data memory) a a c c c c c c b b...
  • Page 134 (2) In case that setting the data link ( V5 memory capacity save function) when the master station and all slave stations are JW-20CM. Memory addresses inside control module of slave station continue in order of receiving and sending. Master station 00 (Data memory) a...
  • Page 135 • Number of offset bytes can be set exceeding the number of sending bytes of the master station. ≧ c and b (3) When the master station and slave stations are all JW-20CM and both data link (the standard function) and data link ( V5 memory capacity save function) are set among slave stations.
  • Page 136 [3] Setting procedure ① Set top address of the relay link area on the master station ② ③ Set top address of relay link area on slave station 01 to 77 ④ /number of offset bytes (at memory capacity save function) ⑤...
  • Page 137 ( Select initial mode Stop operation of data link [HEX (hexadecimal), byte] • Setting of the parameter is only available when the operation of the JW-20CM is stopped. • Write “00 ” to parameter address 007777 (Operation example of JW-13PG) (...
  • Page 138 Display the contents of address 004000 Remarks · The PC's input/output relays, auxiliary relays, registers etc. are all allocated individual byte addresses for each item. However, the JW-20CM can assign these addresses with file addressees allocated throughout the memory. File address 000377...
  • Page 139 From the previous page [Example for setting] The master station and slave station 01 and 02 are JW-20CM. It shows example for setting that slave station 01 is data link (standard function) and slave station 02 is data link (memory capacity save function : V5 ).
  • Page 140 Write 001 to 004002 [DCM (decimal), byte] ) including the master station in the parameter by octal. , JW-20CM the displays 6F After converting into decimal notation in 004003 , write “003.” File address: OCT (octal), word File number/flag: HEX (hexadecimal), byte Set the "same"...
  • Page 141 From the previous page ( ) Word Convert to display octal figures Slave station ( ) Byte display Convert to hexa- decimal figures Slave station Set top address of register link area on the master station Set on the parameter address (004400 to 004403 should not overlap the register link area, flag area, or any area used by other option modules.
  • Page 142 From the previous page Set top address of register link area on slave station 01 to 77 number of offset bytes (at memory capacity save function) Set in parameter addresses 004404 to 004777 register link area, flag area, or any area used by other option module. 004404 Slave 004405...
  • Page 143 From the previous page Set the number of sending bytes of the master station relay link [DCM (decimal), word] • Set in parameter addresses 005000 to 005001 005000 Lower 005001 Upper • These top addresses should not overlap the register link area, or the flag area, or exceed the setting range (0 to 256 bytes for each station, 256 bytes for all stations in total).
  • Page 144 From the previous page Set the number of sending bytes of the master station register link [DCM (decimal), word] • Set the number of sending bytes in decimal on the parameter addresses 005200 to 005201 • These top addresses should not overlap the relay link area or the flag area, or exceed the setting value (0 to 2048 bytes for each station, 2048 bytes for all stations in total).
  • Page 145 From the previous page “When PC is JW model and the SEND/RECEIVE function is used” Set time-out time of SEND/RECEIVE function [DCM (decimal), byte] • When the own station uses the SEND/RECEIVE instructions, set the time-out time on each communication target station. •...
  • Page 146 • Assign model type of the communication target station from ZW and JW PCs, ZW-20CM with JW applied or not, or JW-22CM (JW20/JW20H, JW30H) Communication module of target station ZW-20CM (without JW applied sign) ZW-20CM (with JW applied sign) JW-20CM JW-22CM Address Station number 007601...
  • Page 147 Data memory starting system 2. When using connected channels In the SEND/RECEIVE function, the JW-20CM can send and receive a maximum of 256 bytes of data for each channel. For the data memory starting system, the amount of communication data can be increased by connecting channels.
  • Page 148 Set connection status of slave station [bit pattern, byte] • In the initial settings of the data link function, the JW-20CM will not display errors (on the LEDs on the panel, or in the system memory) even if it detects a communication error in a slave station. In...
  • Page 149 Enter communication error detection interval • If the JW-20CM does not receive data from a station within the specified time (initial value: 250 ms when fewer than 32 stations are connected, 450 ms when more than 33 stations are connected), it turns OFF the communication monitor flag corresponding to this station.
  • Page 150 Writing to the EEPROM of the JW-22CM, start operation [HEX (hexadecimal), byte] • Write “81 ” into parameter address 007777 the EEPROM of the JW-20CM. • Then start the JW-20CM. After starting operation, the setting value changes to “01 Setting value (Operation example of JW-13PG)
  • Page 151 9-8 Error and treatment Operation status of the JW-20CM can be check by indication lamps, flags, or system memory. (1) Indication lamp e l i e l i e l i e l i c t i e l i e l i C O M M ○...
  • Page 152 • To check the communication cable, remove both connectors and short the connector terminals at one end. Then measure the conductivity using a tester. • Check the parameter and switch settings for all stations. If the settings are correct, replace the JW-20CM or JW-20RS.   Error...
  • Page 153 (2) Flag Flag area is 24 bytes from the “flag top address” set in the master station/slave station parameters. ① Flag table [ In case of flag top address is コ0740 (initial value) ] コ0740 コ0741 コ0742 コ0743 コ0744 コ0745 コ0746 コ0747 コ0750...
  • Page 154 (01 to 77) Slave station that communication monitor flag (1) is turned to “OFF.” ※ Even if a master station PC has stopped operation normally or by an error, the JW-20CM turns “ON” this flag while communicating. Condition for flag operation ,”...
  • Page 155 (01 to 77) Slave station that communication monitor flag (1) is turned to “OFF.” ※ Even if a master station PC has stopped operation normally or by an error, the JW-20CM turns “ON” this flag while communicating. Flag operation ※ON...
  • Page 156 “OFF.” Slave station that communication monitor flag (1) is turned to “OFF.” ※ Even if the own station PC has stopped operation normally or by an error, the JW-20CM turns “ON” this flag while communicating. Condition for flag operation ,”...
  • Page 157 “OFF.” Slave station that communication monitor flag (1) is turned to “OFF.” ※ Even if a own station PC has stopped operation normally or by an error, the JW-20CM turns “ON” this flag while communicating. Flag operation ※ON...
  • Page 158 ④ Monitor operation condition by each station PC By creating a program having the flags shown below in each station’s PC, the JW-20CM can monitor the operation condition of each station’s PC. [Ex.: In this case the flag top address is コ0740] Flag top address 7 コ0740...
  • Page 159 (3) Error code When an error occurs in the JW-20CM, it stores the occurred error’s code to system memory #170 of each station’s PC. Error code Cause (HEX) ROM error, upper CPU RAM error, upper CPU 2 port RAM error against PC, upper CPU...
  • Page 160 • When any of errors “01 20CM stores error code “53 code in system memory #170. • In the case of an option error "53," when you monitor system memory #050, the bit of error option module switches ON. When more than 1 bit is error, these bits switch ON. The each ON bit becomes OFF by recovering from the error condition.
  • Page 161 (4) Recovery method at communication errors ① Check flow chart Occurrence of error Connection status of cable/connector are normal. First communication? Does the error occur continuously? See “When the communication error occurs continuously” on page 9·69. Recovery See “Check cable/connector” on next page.
  • Page 162 ② Check cable/connector As errors on the junction from the main cable to the drop cable or the contact failure on the connecting point of each station or errors of the master module are assumed, check with the following procedure. Monitor “individual communication flag”...
  • Page 163 • If the bus cable between the slave station 05 State of an individual communication flag Unstable Remove the connector on point A, and turn ON the termination resistance of the master station. Connect the A connector, and then remove the connector on point B.
  • Page 164 ③ During initial communication (start-up of the system) Lighting error code 6F · When the master station indicates error code 6F The cause may be a parameter setting error of the master station. Check the master station parameters below. · When the master station indicates error code 6F The cause may be a setting error of any of the slave stations which are set in the parameter.
  • Page 165 · When the master station is normal and the error code 6F The cause may be a faulty setting of the slave station parameter. Check the following slave station parameters. ※ ※ In case of using memory capacity save function When slave station is JW-22CM, see “JW-22CM users manual”...
  • Page 166 Other cases • Check the switches of the JW-20CM (see check item) • Check optional cable of PC (The JW-20CM does not operate normally without an optional cable.) • Check cable and connector (see check item) • Check error code [Switches required check in the JW-20CM] ①...
  • Page 167 ④ When the communication error occurs instantaneously. Cause may be: • Noise on the communication line. • Fault of a communication module. • Fault of a communication cable. Check the error’s timing. When the error occurs synchronous with a peripheral industrial robot’s operation, noise to the communication line may be a cause.
  • Page 168 (5) Module replacement procedure When you want to change the JW-20CM due to an operation fault (lighting FT lamp) etc., follow the procedures below. Make sure to store the set parameters onto a floppy diskette using a support tools. (See the next page) Operation procedure Turn “OFF”...
  • Page 169: Chapter 10 Computer Link

    Chapter 10 Computer link 10-1 Description for computer link · You can transmit data between JW-20CM and host computer having a network module ZW-98CM/ZW- 20AX and the like. · Computer link function can not be used separate mode, but simultaneously with operation of data link function.
  • Page 170 10-2 Communication method The host computer communicates with each station number one by one. ① The host computer instructs station number/communication contents/memory address/data etc. of the communicating station as a “command.” ② The “command” receiving station processes this data and returns the result as “response.” (...
  • Page 171: Switch Setting

    10-3 Switch setting Same as setting switch of data link. (See page 9·17 to 9·21) When you was already used for data link, setting switch is unnecessary. Operation procedure Start Power “OFF” master/slave station Remove the setting switch cover. Set MODE (function) switch Set STA.
  • Page 172 10-4 Command For communication format etc., see network module ZW-98CM/ZW-20AX etc. instruction manual of host computer side. Read out relay (1 point unit) Function Command code Writing mode assignment Operation condition of PC Assignable address Set/reset relay (1 point unit) Function Command code Writing mode assignment...
  • Page 173 Read out current value of register/file register (1024 bytes max./ one time) Function Read out current value that specified register/file register Command code Writing mode assignment Operation condition of PC Unrelated Assignable address コ ※ e l i ※ Usable file number varies with memory module using for PC.
  • Page 174 Write in same data to register/file register Function Command code Writing mode assignment Operation condition of PC Assignable address ※ Usable file number varies with memory module using for PC. (See page 13·21) · "Writing mode assignment" is used to show whether writing to the PC memory has been enabled or disabled.
  • Page 175 Read out current value of timer/counter/MD Function Read out current value that specified timer/counter/MD Command code Writing mode assignment Operation condition of PC Unrelated Assignable address : When PC is except for JW50H/70H/100H 0000 to 0777 : When PC is JW50H/70H/100H 0000 to 0777 Set/reset timer/counter (1 points unit) Function...
  • Page 176 Read out current value of system memory (256 bytes max./one time) Function Command code Writing mode assignment Operation condition of PC Assignable address Write in system memory (256 bytes max./one time) Function Command code Writing mode assignment Operation condition of PC Assignable address ·...
  • Page 177 Read out program memory (512 steps max./one time) Function Read out contents that specified program memory using machine language. Command code Writing mode assignment Operation condition of PC Unrelated Assignable address Address varies with memory capacity. Write in program memory (512 steps max./one time) Function Write in manual instruction words to specified program memory.
  • Page 178 Change the setting value of timer/counter (1 point unit) Function Command code Writing mode assignment Operation condition of PC Assignable address · "Writing mode assignment" is used to show whether writing to the PC memory has been enabled or disabled. 0: Writing prohibited 1: Enable writing only to data memory 2: Enable writing all data.
  • Page 179 Read out operation status of PC Function Read out PC operation status of specified stations. Command code Writing mode assignment Operation condition of PC Unrelated Data Stop/restart operation of PC Function Stop or restart PC’s operation of specified stations. Command code Writing mode assignment Operation condition of PC Unrelated...
  • Page 180 Read out program memory capacity Function Command code Writing mode assignment Operation condition of PC Data Set program memory capacity Function Command code Writing mode assignment Operation condition of PC Data · "Writing mode assignment" is used to show whether writing to the PC memory has been enabled or disabled.
  • Page 181 Read out status of write mode Function Read out status of write mode that specified stations. Command code Writing mode assignment Operation condition of PC Unrelated Data Set write mode Function Set write mode that specified stations. Command code Writing mode assignment Operation condition of PC Unrelated Data...
  • Page 182 Operation condition of PC Set at link operation (Parameter address 007777 of ZW/JW-20CM) Assignable address Data Read out parameter memory status of ZW/JW-20CM that specified stations. (PML) Unrelated Unrelated 000000 to 007777 Set bit position Set/reset parameter memory bit of ZW/JW-20CM that specified stations.
  • Page 183 Unrelated 007777 of ZW/JW-20CM) Assignable address 000000 to 007777 Write in parameter memory Function Write in manual data for parameter memory of ZW/JW-20CM that specified stations. Command code Operation condition of PC Stopping Set at link operation (Parameter address Stop (Unrelated in case that write in address 007777...
  • Page 184 Read out date (PC of JW model) Function Command code Writing mode assignment Operation condition of PC Data Write in date (PC of JW model) Function Command code Writing mode assignment Operation condition of PC Data · "Writing mode assignment" is used to show whether writing to the PC memory has been enabled or disabled.
  • Page 185 Read out times (PC of JW model) Function Read out times that specified stations. Command code Writing mode assignment Operation condition of PC Unrelated Data Write in times (PC of JW model) Function Set times that specified stations. Command code Writing mode assignment 1 or 2 Operation condition of PC...
  • Page 186 Correct time (PC of JW model) Function Command code Writing mode assignment Operation condition of PC Data · "Writing mode assignment" is used to show whether writing to the PC memory has been enabled or disabled. 0: Writing prohibited 1: Enable writing only to data memory 2: Enable writing all data.
  • Page 187 Read out data by F-200 instruction Function Read out data that specified station using application instructions F- 200. Command code Operation condition of PC Unrelated Write in data by F-201 instruction Function Write in data that specified station using application instructions F- 201.
  • Page 188: Chapter 11 Support Tools

    After selecting “PC stop,” press the “Enter” key. ② Record onto the personal computer After stopping operation, record the parameters of the JW-20CM onto the memory of the personal computer. Select “Read out PARAM” and press the “Enter” key. Start reading to memory of the personal computer.
  • Page 189 ④ Record onto a floppy diskette Write (record) the memory contents of the personal computer onto a floppy diskette. Select “FD TRANS.” Select “Save.” Select “DL. M. PARAM.” or “DL. S. PARAM.” Set as the function setting condition of the connected network module.
  • Page 190 Start loading into the personal computer. ② Stop operation of the JW-22CM After stopping operation, load the memory contents of the personal computer into the JW-20CM. Select “PC TRANS.” Select “Write.” Select “DL M. stn. PARAM.” or “DL S. stn.
  • Page 191 ③ Load to the JW-20CM After stopping operation, load the memory contents of the personal computer into the JW-20CM. After selecting “Parameter writing,” press the “Enter” key. Start loading into the JW-20CM. ④ Start operation of the JW-20CM After loading the parameters from the personal computer, start operation of the JW-20CM.
  • Page 192: Remote Function

    JW-22CM (with 30Hn mark) If the JW-20CM, to which a support tool is connected, has a 30H sticker, the JW-20CM will identify the new JW30H model as conventional model (JW-31CUH/32CUH/33CUH). If the JW-20CM, to which a support tool is connected, does not have a 30H be used with the following limitations.
  • Page 193 Stop operation of the PC prior to writing data. · JW13PG/12PG JW-50SP · If ① is a ZW-20CM and ② is a JW-12PG. · If ① is a ZW/JW-20CM and ② is a JW-11PG. n + 2 ※ n + 2 m + 1 m + 2...
  • Page 194 ② Operation example This paragraph describes an operation example using the multipurpose programmer: JW-50PG. For operations with other support tools, see the attached instruction manuals. • Connect the JW-50PG to the JW-20CM on the satellite net. • Set communication mode Set the communication mode of the JW-50PG to “Network CONCT.”...
  • Page 195 <Standard network connection> Set “standard” in network configuration. Set “satellite net” or “SUMINET” in target station model. Set the target station number (00 to 77 <Expansion network connection> Satellite net Set “extension” in network configuration. Set “satellite net” or ”SUMINET” in junction station model. Set the target station number (00 to 77 (In the case of the above figure: 02 Set the junction station number (00 to 77...
  • Page 196 (2) Parameter setting by remote function This paragraph describes how to set the parameters of other stations’ network module connected on the satellite net. This is only available when the target station is within the standard network connection. Usable support tools are JW-13PG/12PG. <An operation example using the JW-13PG>...
  • Page 197 After setting the parameter remotely in step ⑥, write 81 at remote I/O function), or at 00777 EEPROM." Display contents of parameter address 003777 → , stop operation of the JW-20CM. Display contents of parameter address 007777 → , stop operation of the JW-20CM. →...
  • Page 198: Chapter 12 Specifications

    Chapter 12 Specifications 12-1 JW-20CM (1) General specifications y t i [Outline dimension drawings] JW-20CM C O M M S O S 1 S 2 S 3 S 4 T E S T S 5 E R R O R S...
  • Page 199 (2) Communication specifications Item Communication method Transmission rate Transmission format Coding method Check method Sync method Modulation method Communication network system Connectors Transmission line Specification Token/passing 1.25M bits/s JIS X-5014 high level data link control procedure (HDLC) frame configuration compatible NRZI (Non Return To Zero Inverted) Bit synchronous Continuous frequency phase modulation (FSK)
  • Page 200 (3) Specifications of each function ① Specifications of remote I/O slave station ② Data link specifications n i l n i l ③ Computer link specifications n i l * The amount of data attributed to the command, or response. The term "packet" refers to the value for each station.
  • Page 201 ×1 (ON) → (ON) → S T A T I O N N O . 33.5 (2) Communication specifications Communication specifications is same as JW-20CM. (See page 12·2) – ° C ° C S O S 1 S 2 S 3...
  • Page 202: Chapter 13 Appendix

    Chapter 13 Appendix 13-1 Maintenance and check Check wiring, installation, and switch settings. System configuration Check item Not parallel with or proximate to high voltage lines or strong power lines. Branch lines (drop cable) are within 400 mm. Total length is less than 1 km. No damage or breaks in cables.
  • Page 203: Switch Setting Table

    13-2 Switch setting table (1) JW-20CM (network module) Set at delivery MODE STA.NO. ×10 ×1 (ON) (ON) (2) JW-20RS (remote I/O slave module) Set at delivery MODE STA.NO. ×10 ×1 (ON) (ON) Output holding switch HOLD . t i . t i ·...
  • Page 204: Parameter Memory Table

    13-3 Parameter memory table (1) JW-20CM ① Remote I/O Set contents Address Setting method (value, example) (Operations when a slave station error occurs) • Remote I/O operation (communication) stops • The PC continues operation. (Mode 1) • Only normal slave stations will continue operation (communication).
  • Page 205 Set contents Address • When using the fixed allocation mode, put the 000002 top address of the remote I/O in this register. • When using the manual allocation mode, put the top address of the remote I/O in the slave 000003 station 01 in this register.
  • Page 206 Address Set contents 000200 Slave station I/O points Number of I/O bytes of slave (Decimal, bytes) 000201 station 01 (1 to 128 bytes) • Use the addresses 000202 to 000277 addresses cannot be used in the fixed allocation mode. Address Set contents Number of I/O bytes of slave station 02 000202...
  • Page 207 Set contents Address Blanks between slave 000301 stations 1 and 2 (0 to 255 bytes) • Use the addresses 000302 to 000376 addresses cannot be used in the manual allocation mode. Address Blanks between slave stations 2 and 3 000302 (same as 000301) 000303 3 and 4 (same as 000301)
  • Page 208 Address Set contents Bit address 7 6 5 4 3 2 1 0 Slave station I/O type 000400 • Use 0 (OFF, for ZW 000401 models) or 1 (ON, 000402 000400 for JW models) in 000403 the corresponding 000404 000407 bits for each station 000405 number listed on...
  • Page 209 Address Set contents 003764 Flag top address 003767 Stop operation of the remote I/O Start operation of the remote I/O Writing to EEPROM or operation 003777 of the module/stop operation Writing to EEPROM or operation of the module/start operation Initialize parameter setting value •...
  • Page 210 ② Data link master station Address Set contents Store the mis-setting slave station number in the 000000 master station 004000 Top address of relay link area in the master 004001 station 004002 Set function (relay/register link) 004003 Amount of connectable stations (2 to 64 stations) •...
  • Page 211 Address Set contents 004400 004401 Top address of register link area in the master 004402 station 004403 • When slave station 01 link (the standard function), top address of the register link area on 004404 slave station 01 are as shown at right.
  • Page 212 Address Set contents 005000 Number of sending bytes of master station relay link area 005001 005002 Number of sending bytes of slave station 01 005003 relay link area Address Set contents Number of sending bytes of slave station relay link area 005004 to 005005 (same as 005002 to 005003).
  • Page 213 Address Set contents 005200 Number of sending bytes of master station register link area 005201 005202 Number of sending bytes of slave station 01 005203 register link area Address Number of sending bytes of slave station 005204 to 005205 (same as 005202 to 005203). 005206 to 005207 (same as 005202 to 005203) 005210 to 005211...
  • Page 214 Set addresses 007501 to 007577 model is used. Address Set contents Time out time of SEND/RECEIVE instruction of 007501 slave station 01 (0.1 to 25.5 sec.) Address Set contents Time out time of SEND/RECEIVE 007502 instruction of slave station 02 (Same as 007501) 007503 (same as 007501)
  • Page 215 PC is ZW model or JW model, ZW-20CM is without JW sign. PC is ZW model, ZW-20CM is with JW sign and JW-20CM. PC is JW model, ZW-20CM is with JW model and JW-20CM/JW-22CM Set contents PC model of slave station 40 (Same as 007601) (same as 007601)
  • Page 216 Set contents Address 007700 System of each cannel in SEND/RECEIVE function 007703 Top addresses in communication 007710 information storage area when using data memory starting system of 007713 SEND/RECEIVE functions Connection condition of slave station • Turn ON the corresponding bit of 007750 connected station number (01 to ) from the list at right.
  • Page 217 Writing to EEPROM or operation stop operation Writing to EEPROM or operation start operation Initialize parameter setting value ※ Set in case that slave station is JW-20CM only. Setting method (value, example) (Octal, byte) When 10 second, set to 100...
  • Page 218 (2) JW-20RS Set contents Address Set number of dummy I/O points Rack number: 0 Slot: 1 Slot: 0 000000 • Set vacant 2 slots • Set only in case of manual I/O table registration • For address 000000 , set 00 •...
  • Page 219 Address Set contents Set kinds of I/O module Rack number: 0 Slot number: 0 • Set 1 slot 000100 • Set only in case of manual I/O registration • For address 000100 • Use addresses 000101 to 000137 type and number of dummy I/O points can be set using the arbitrary I/O registration mode. If ZW type I/Os are used, no setting is required.
  • Page 220 t s i g i l • 0 " " , t i r t i r z i l • Set page 8·19 for initial values of the addresses above. 7 6 5 4 3 2 1 0 Slot: 1 Slot: 0 .
  • Page 221: Address Map Of Data Memory

    13-4 Address map of data memory (File 0) a i l · T · T t s i t s i t s i t s i t s i t s i t s i t s i t s i t s i e l i コ...
  • Page 222 e l i t s i e l i t s i e l i t s i e l i t s i e l i t s i e l i t s i e l i t s i ·...
  • Page 223: Instructions Used With The F200 And F201 Link Function

    S+11 S to S+2: Set the top address for sending data using the file number and file address. S+3: Number of data bytes to transfer from the PC to JW-20CM. Set to 000 to 255 . (000 equals 256 bytes.) S+4: Station number at which data is received.
  • Page 224 JW-20CM on the option board None of the above. [ ※ 1] The description for this instruction is for the ZW/JW-20CM only. It is different from the contents in the PC programming manual. The F-200 instruction can only be used for one ZW/JW- 20CM module.
  • Page 225 Reserved (not fixed) D to D+2: Set the top address for sending data using the file number and file address. D+3: Number of data bytes to transfer from the PC to JW-20CM. Set to 000 to 255 . (000 equals 256 bytes.) D+4 to D+6: Reserved area.
  • Page 226 JW-20CM None of the above. [ ※ 1] The description for this instruction is for the ZW/JW-20CM only. It is different from the contents in the PC programming manual. The F-201 instruction can only be used for one ZW/JW- 20CM module.
  • Page 227: Application Instruction Using Instruction System

    Specify the target station for inter-PC data communications to be performed across the satellite net (ZW/JW-20CM). These instructions are used in conjunction with the F-204 (SEND) or F-205 (RCV) instructions. Input the port number of rack panel that installed on ZW/JW-20CM. Control module Example: JW-13BU Power module Port No.
  • Page 228 (2) F-204 Send Data F-204 SEND F-204 Symbol SEND Specify the first address and byte count of the send data for transmission across Function the satellite net. S to S + n - 1 Specified station Operation Range of n 000 to 377 (256 bytes for 000 ]0000 to ]1577...
  • Page 229 (3) F-205 Receive Data F-205 F-205 Symbol Specify the first address and byte count of the receive data for transmission Function across satellite net. Operation Specified station → D to D + n - 1  Range of n 000 to 377 ]0000 to ]1577 b0000 to b1777 09000 to 09777...
  • Page 230 [Example 2] In case of reading data of 8 bytes to slave station 01 Module number installing own station JW-20CM : 2 Channel number using own station JW-20CM : 0 Data area of slave station 01 Send top address of slave station 01...

This manual also for:

Jw-20rs

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