Contents
iii
Safety Precautions
Chapter 1 NAMES AND FUNCTIONS OF COMPONENT PARTS......................... 1-1
Chapter 2 INSTALLATION...................................................................................... 2-1
2-1 SDC20 External Dimensions.............................................................................................. 2-1
2-2 SDC20 Panel Cutout Sizes ................................................................................................ 2-2
2-3 SDC21 External Dimensions.............................................................................................. 2-3
2-4 SDC21 Panel Cutout Dimensions ...................................................................................... 2-4
2-5 Mounting ............................................................................................................................ 2-5
■ Location of mounting..................................................................................................... 2-5
■ Mounting method .......................................................................................................... 2-5
2-6 External Dimensions of Current Transformer .................................................................... 2-6
Chapter 3 WIRING...................................................................................................3-1
3-1 Cables ................................................................................................................................ 3-2
3-2 Terminal Connections ........................................................................................................ 3-3
3-3 Terminal Arrangement ....................................................................................................... 3-4
3-4 Power Supply Connections ............................................................................................... 3-4
3-5 Grounding .......................................................................................................................... 3-5
3-6 Input Connection ............................................................................................................... 3-5
3-7 Output Connection............................................................................................................. 3-6
3-8 Connection of Remote Switch(option) ............................................................................... 3-7
3-9 Connection of Current Transformer (CT, option) .............................................................. 3-7
3-10 Communication Connection .............................................................................................. 3-8
3-11 Wiring Precautions ........................................................................................................... 3-10
3-12 Countermeasures Against Noise ..................................................................................... 3-10
Chapter 4 SETTING THE SETUP ITEMS ...............................................................4-1
4-1 Setup Operation ................................................................................................................. 4-1
4-2 Setup Table ........................................................................................................................ 4-2
4-3 Basic Operation for Setup ................................................................................................. 4-3
4-4 Description on the Setup Items ......................................................................................... 4-5
Chapter 5 SETTING OF PARAMETERS ................................................................5-1
5-1 Parameters Table............................................................................................................... 5-1
5-2 Basic Parameter Operation ............................................................................................... 5-2
5-3 Assigning a Parameter to the
PARA
Key ........................................................................ 5-3
5-4 Resetting a Parameter Assigned to the
PARA
Key ........................................................ 5-4
5-5 Operation of Parameters Assigned ................................................................................... 5-5
5-6 Description on Parameters ................................................................................................ 5-6
Chapter 6 OPERATION........................................................................................... 6-1
6-1 Turning on the Power Supply ............................................................................................ 6-2
6-2 Indicating a PV ................................................................................................................... 6-4
6-3 Indicating an SP................................................................................................................. 6-4
6-4 Indicating the Output Value ............................................................................................... 6-5
6-5 Indicating the Heater Current Value (optional) ................................................................. 6-6
6-6 Changing an SP (with single SP)....................................................................................... 6-7
6-7 Changing an SP (with multi SP) ......................................................................................... 6-8
6-8 Selecting the SP of Multi SP .............................................................................................. 6-9
6-9 Changing the Set Value of Event (optional) .................................................................... 6-10
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