4-2  Fail-safe Circuits ....................................................................................................................4-4
4-3 
Mounting Units.......................................................................................................................4-5
4-3-1  Installation in a Control Panel .....................................................................................................4-5
4-3-2  Connecting Adjacent Units..........................................................................................................4-9
4-3-3  Mounting to DIN Track ..............................................................................................................4-10
4-3-4  DIN Track and Accessories.......................................................................................................4-12
4-3-5  Assembled Appearance and Dimensions .................................................................................4-13
4-4  Control Panel Installation....................................................................................................4-17
4-4-1  Temperature ..............................................................................................................................4-17
4-4-2  Humidity ....................................................................................................................................4-18
4-4-3  Vibration and Shock ..................................................................................................................4-19
4-4-4  Atmosphere...............................................................................................................................4-19
4-4-5  Electrical Environment ..............................................................................................................4-19
4-4-6  Grounding .................................................................................................................................4-24
Section 5  Wiring
5-1  Power Supply Wiring .............................................................................................................5-2
5-1-1 
Power Supply Unit CK3W-PD048 ...............................................................................................5-2
5-1-2  Power Supply Used.....................................................................................................................5-2
5-1-3  Applicable Wires .........................................................................................................................5-2
5-1-4  Grounding ...................................................................................................................................5-3
5-1-5  Required Tools ............................................................................................................................5-4
5-1-6  Connecting Ferrules....................................................................................................................5-4
5-1-7  Connecting Twisted Wires/Solid Wires .......................................................................................5-4
5-1-8  Removing Wires..........................................................................................................................5-5
5-2  CPU Unit Wiring .....................................................................................................................5-7
5-2-1  Laying the EtherCAT Network.....................................................................................................5-7
5-2-2  Laying the Ethernet Network.....................................................................................................5-12
5-2-3  Watchdog Timer Output Wiring .................................................................................................5-15
5-2-4  USB Memory Device Connection..............................................................................................5-17
5-3  Axis Interface Unit Wiring ...................................................................................................5-18
5-3-1  Encoder Connector Wiring ........................................................................................................5-18
5-3-2  Amplifier Connector Wiring .......................................................................................................5-24
5-3-3  Flag Terminal Block/General I/O Terminal Block Wiring............................................................5-26
5-4  Digital I/O Unit Wiring ..........................................................................................................5-33
5-4-1  Wiring the Terminals..................................................................................................................5-33
5-4-2  Precautions When Connecting a Two-wire DC Sensor.............................................................5-36
5-4-3  Precautions When Connecting to Digital Output.......................................................................5-38
5-5  Analog Input Unit Wiring.....................................................................................................5-40
5-5-1  Wiring the Terminals..................................................................................................................5-40
5-6  Expansion Master Unit and Expansion Slave Unit Wiring ...............................................5-44
Section 6  Troubleshooting
6-1  Types of Errors.......................................................................................................................6-2
6-2 
Using the Indicators to Check Errors ..................................................................................6-3
6-2-1  Indicator Types............................................................................................................................6-3
6-2-2  Procedure for Identifying Errors ..................................................................................................6-3
6-3  Troubleshooting for Errors ...................................................................................................6-5
6-3-1  Fatal Errors in the CPU Unit........................................................................................................6-5
6-3-2  Non-fatal errors in the CPU Unit .................................................................................................6-6
6-3-3  Initialization of CPU Unit Using USB Memory.............................................................................6-8
6-4  Sys.Status Register ...............................................................................................................6-9
6-4-1  Sys.Status Register List ..............................................................................................................6-9
6-4-2  Details of Flags ...........................................................................................................................6-9
CONTENTS
8
CK3M-series Programmable Multi-Axis Controller User's Manual Hardware (O036)