User ManualTable of ContentsSafety Precautions3Table of contents6Chapter 1: Features and Functions9Chapter 2: Safety Precautions102-1 Installation102-2 Wiring102-3 Treatment122-4 Static electricity122-5 Maintenance122-6 Allocation of relay number12Chapter 3: System Configuration13Chapter 4: Name and Function of Each Part14Chapter 5: Installation15Chapter 6: Processing of Cables166-1 Processing cable end176-2 Connector crimping procedure20Chapter 7: Wiring Method227-1 Cable trunk and branch lines227-2 Relaying of trunk cables227-3 Cable wiring procedure in control panel237-4 Waterproof and insulation processing of connectors257-5 Wiring of cables at outside control panels267-6 Check after wiring26Chapter 8: Memory Address on the ME-NET298-1 Memory address for data links298-2 Memory addresses for computer links31Chapter 9: Description for Data Link Operation339-1 Communication method33[1] Data link (Standard function)33[2] Data link (Save memory function)349-2 Required transmission time and communication delay time35[1] Required transmission time35[2] Communication delay time36[3] Data transmission between master PC and slave PC379-3 Expansion of network38[1] Multiple installation of the JW-21MN38[2] Hierarchical link39Chapter 10: Description for Computer Link Operation4010-1 Computer link function40[1] Basic commands40[2] Optional commands4010-2 Basic commands4110-3 Optional commands42[1] Read free memory size43[2] Monitor TMR, CNT, and MD43[3] Reading PC mode44[4] Setting PC mode44[5] Reading system memory45[6] Writing system memory45[7] Reading date46[8] Setting date46[9] Reading time47[10] Setting time47[11] Correct clock time48[12] Monitor step status: JW20/JW20H only48[13] Read the optional parameters49[14] Set the optional parameters49[15] Read the special I/O parameters50[16] Set the special I/O parameters50[17] Set the secret function: JW30H only51[18] Release the secret function, register password: JW30H only51[19] Check the secret function: JW30H only52[20] Response on error53Chapter 11: Setting of Switches and Parameter5411-1 Operation procedure5411-2 Switch setting of master station and slave station55[1] Mode switch (MODE)55[2] Module No. switch (UNIT NO.)5511-3 Setting contents of master station parameters58[1] Setting contents58[2] Communication area map60[3] Setting range of relay link area, register link area, and flag area64[4] Setting procedure6611-4 Setting slave station parameters(common for all slave stations)75[1] Setting contents75[2] Setting range of flag area76[3] Setting procedure77Chapter 12: Errors and Countermeasures8212-1 Indication lamps8212-2 Flag83[1] Flag table83[2] In the case of a master station84[3] In the case of slave station 01 to 77(8)85[4] Monitor operation condition by each station PC8612-3 Storage of error code87Chapter 13: Replacement of the JW-21MN90Chapter 14: Support Tools91Chapter 15: Specifications9315-1 General specifications9315-2 Communication specifications9315-3 Data link specifications9415-4 Computer link specifications95Chapter 16: Appendix9616-1 Maintenance and check9616-2 Recovery method at communication errors9716-3 Table of parameter memory10316-4 Special functions unique to the JW-21MN108Alphabetical Index112Size: 1.25 MBPages: 114Language: EnglishOpen manual