JW-21MN
 JW-21MN
 Wiring Compel
Safety Precautions
Installation
 Maintenance Prohibit
Use
 ME-NET Module JW-21MN
 Table of contents
 Description for Computer Link Operation 10-1 to
Setting of Switches and Parameter 11-1 to
Errors and Countermeasures 12-1 to
 Appendix 16-1 to
Support Tools 14-1 to Specifications 15-1 to
13-1
 Computer link function
Features and Functions
Data link function
 Installation
Wiring
 Connector
 Static electricity
Maintenance
Treatment
Allocation of relay number
 System Configuration
JW20H JW-21MN JW-21MN JW30H
 Name and Function of Each Part
Front view
 Remarks
Installation
Installation procedure
 Processing of Cables
Name Model Maker
 Processing cable end
 Removal of coating, external conductor, and insulator
Fine adjustment of blade cutting depth
Cutting of coating, external conductor, and insulator
 Display of blade setting
Processing of cable end
 Required tools Hand-held crimping tool
Connector crimping procedure
Connector ME-GP-01 Processing procedure Insert a sleeve
Crimping contact
 Conductivity test
Fixing the connector
Insulation test
 Relaying of trunk cables
Wiring Method
Cable trunk and branch lines
 Cable wiring procedure in control panel
Page
 Straight connector
Waterproof and insulation processing of connectors
Branch connector
Remarks
 Wiring of cables at outside control panels
Check after wiring
 Branching method
Station number of the additional station
 Reason
 Memory address map against JW20/JW20H
Memory Address on the ME-NET
Memory address for data links
 Memory address map against JW30H
JW30H address ME-NET address
 Memory addresses for computer links
JW20/20H ME-NET address Capacity
 JW30H address ME-NET address Capacity Remarks
 Data link Standard function
Description for Data Link Operation
Communication method
Relay link
 Register link
Setting item Set location
Data link Save memory function
 Required transmission time and communication delay time
Required transmission time
 Communication delay time
 Data transmission between master PC and slave PC
An example of synchronized transfer by OUT instruction
 Case of mounting 4 sets of JW-21MN
Multiple installation of the JW-21MN
Expansion of network
 Hierarchical link
 Description for Computer Link Operation
Basic commands
Optional commands
Computer link function
 Basic commands
10-2
 Communication format, basic pattern
Optional commands
10-3
 Monitor TMR, CNT, and MD
Write mode assignment None Communication format
Read free memory size
10-4
 10-5
Reading PC mode
Setting PC mode
 10-6
Reading system memory
Writing system memory
 Reading date
Setting date
Write mode assignment 1 or Communication format
10-7
 10-8
Setting time
Reading time
 10-9
Correct clock time
Monitor step status JW20/JW20H only
 Set the optional parameters
Write mode assignment
Read the optional parameters
10-10
 10-11
Read the special I/O parameters
Set the special I/O parameters
 10-12
Release the secret function, register password JW30H only
Set the secret function JW30H only
 Check the secret function JW30H only
10-13
 Response on error
10-14
 11-1
Setting of Switches and Parameter
Operation procedure
 Module No. switch Unit no
Switch setting of master station and slave station
Mode switch Mode
11-2
 11-3
Station number switch STA no
Termination resistance switch LT
Reference Need for the termination resistance
 Shield ground switch LG
11-4
 Setting contents of master station parameters
 11-6
Value H
 Communication area map
Parameter for setting in master station
Parameter for setting in slave station
11-7
 11-8
 + h
11-9
 Maser station Slave station Standard Save memory
Example for setting
11-10
 When master station PC is JW20/JW20H
11-11
 When master station PC is JW30H
11-12
 Setting procedure
11-13
 Stop operation of data link HEX hexadecimal, byte
11-14
Example Stop operation of data link HEX hexadecimal, byte
 11-15
Data link function setting HEX hexadecimal, byte
Set number of connecting stations DCM decimal, byte
 11-16
Set top address of register link area on the master station
 11-17
Set in parameter addresses 005000 to
 11-18
 11-19
Set connection status of slave station Bit pattern, byte
 11-20
 11-21
PC operation
 11-22
Setting item
Contents
 When PC is JW30H
Setting range of flag area
When PC is JW20/JW20H
11-23
 11-24
 Turn on the power of slave station PC Connect support tools
11-25
 11-26
 11-27
 11-28
 12-1
Errors and Countermeasures
Indication lamps
Details Measure
 Flag
Remark
 Communication monitor flag
Case of a master station
12-3
Operation condition monitor flag
 Case of slave station 01 to
12-4
 Monitor operation condition by each station PC
12-5
 Storage of error code
12-6
 System memory #150 monitor error switch number
System memory #170 to 177 option module error code
System memory #160 to 167 self diagnosis error code
12-7
 Error history
12-8
 Replacement of the JW-21MN
13-1
 14-1
Support Tools
Record and load by ladder software JW-92SP, JW-50SP Record
 Load to the personal computer
Load
14-2
Stop operation of the JW-21MN
 Communication specifications
Specifications
General specifications
Specification
 Save memory function Specifications
Data link specifications
Standard function Specifications
15-2
 15-3
Computer link specifications
Outside dimensional drawings
 16-1
Maintenance and check
Appendix
 16-2
Recovery method at communication errors
Check flow chart
 Check cable/connector
16-3
 16-4
Cause Countermeasure
 16-5
007764 to
 16-6
Switches required check in the JW-21MN
Check items of cables and connectors
Other cases
 When identification of the cause is difficult
Check the errors timing
Identify the error station
16-7
 Master station
Table of parameter memory
16-8
 Set contents Setting method value, example
16-9
 16-10
 16-11
 16-12
Slave station 01 to
 Remote programming and remote monitor
Special functions unique to the JW-21MN
16-13
Support tool Opposite module Connection module
 Expansion network connection
16-14
Function Standard network connection
Operation example
 Network setting
16-15
 16-16
Parameter setting by remote function
When used with a computer link
 Alphabetical Index
 Operation procedure
 Waterproof and insulation processing of connectors