1 System Basic Configuration ....................................................................................................................... 1

1.1 System Basic Configuration Drawing ....................................................................................................................... 2

1.2 General Connection Diagram ................................................................................................................................... 4

1.2.1 General Connection Diagram [M800W] ........................................................................................................... 4

1.2.2 General Connection Diagram [M80W] ............................................................................................................. 7

1.2.3 General Connection Diagram [M800S] .......................................................................................................... 10

1.2.4 General Connection Diagram [M80]............................................................................................................... 11

1.2.5 General Connection Diagram [E80] ............................................................................................................... 13

1.3 How to Check the System Configuration ................................................................................................................ 14

1.3.1 System Configuration Screen ........................................................................................................................ 14

1.3.2 Option Display Screen ................................................................................................................................... 17

1.4 Each Unit Status Display ........................................................................................................................................ 18

1.4.1 Control Unit .................................................................................................................................................... 18

1.4.2 Personal Computer Unit................................................................................................................................. 21

1.4.3 Operation Panel I/O Unit ................................................................................................................................ 22

1.4.4 Remote I/O Unit ............................................................................................................................................. 25

1.4.5 Communication Expansion Unit ..................................................................................................................... 27

1.4.5.1 CC-Link Expansion Unit ....................................................................................................................... 27

1.4.5.2 PROFIBUS-DP Expansion Unit............................................................................................................ 28

1.4.5.3 CC-Link IE Field ................................................................................................................................... 29

1.4.5.4 EtherNet/IP ........................................................................................................................................... 30

1.4.6 7-segment LEDs on the Control Unit ............................................................................................................. 31

1.4.6.1 Normal State Display............................................................................................................................ 31

1.4.6.2 Error Display at NC Startup .................................................................................................................. 31

1.4.6.3 Display when an Alarm Occurs ............................................................................................................ 32

2 Daily Maintenance and Periodic Maintenance ........................................................................................ 41

2.1 Daily Maintenance .................................................................................................................................................. 43

2.1.1 Touchscreen .................................................................................................................................................. 43

2.1.2 Escutcheon .................................................................................................................................................... 43

2.2 Periodic Maintenance ............................................................................................................................................. 44

2.2.1 List of Durable Parts....................................................................................................................................... 44

2.2.2 List of Replacing Parts ................................................................................................................................... 44

2.2.3 Durable Parts Replacement ........................................................................................................................... 45

2.2.3.1 Control Unit Battery .............................................................................................................................. 45

2.2.3.2 Personal Computer Unit Cooling Fan................................................................................................... 47

2.2.4 Replacing Fuse .............................................................................................................................................. 48

3 Maintenance of the Drive Unit................................................................................................................... 51

3.1 Periodic Inspections................................................................................................................................................ 52

3.2 Durable Parts.......................................................................................................................................................... 53

3.3 Adding and Replacing Units and Parts ................................................................................................................... 54

3.3.1 MDS-E/EH Series .......................................................................................................................................... 54

3.3.1.1 Replacing the Drive Unit....................................................................................................................... 54

3.3.1.2 Replacing the Unit Fan ......................................................................................................................... 55

3.3.1.3 Replacing the Battery ........................................................................................................................... 57

3.3.2 MDS-EJ/EJH Series....................................................................................................................................... 60

3.3.2.1 Replacing the Drive Unit....................................................................................................................... 60

3.3.2.2 Replacing the Unit Fan ......................................................................................................................... 60

3.3.2.3 Replacing the Battery ........................................................................................................................... 66

3.3.3 MDS-EM/EMH Series .................................................................................................................................... 69

3.3.3.1 Replacing the Drive Unit....................................................................................................................... 69

3.3.3.2 Replacing the Fan Unit ......................................................................................................................... 70

3.3.3.3 Replacing the Battery ........................................................................................................................... 71

4 Failure Diagnosis ....................................................................................................................................... 75

4.1 Introduction ............................................................................................................................................................. 76

4.2 Failure Diagnosis Procedure .................................................................................................................................. 76

4.3 Diagnosis Based on the Alarm ............................................................................................................................... 77

4.3.1 How To Check the Alarm Information ............................................................................................................ 77

4.3.2 Alarm History.................................................................................................................................................. 79

4.3.3 Alarm Message Details .................................................................................................................................. 81

4.4 Diagnosis Based on the I/F Diagnosis Screen ....................................................................................................... 82

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