Hitachi L300P User Manual Page 229
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L300P Inverter
Appendix B
B–3
Serial Connection
Diagrams
The serial connector is to the left of the control logic connector as shown below:
Each device requires just two connections for data transmission and reception. Additionally, the
device at each physical end of the wiring requires a termination resistor. The L300P has built-in
termination resistors that become part of the circuit when you add a jumper as shown.
TIP: Each slave device on the serial network must have a unique node address, set by parame-
ter C072. If this is a new application, we recommend connecting one new device at a time and
checking the communications after each addition.
SP SN RP SN
Serial
Communications
Connector
Send/receive (+) Positive
Send/receive (–) Negative
Termination resistor (+)
Termination resistor (–)
SP SN RP SN
L300P L300P
SP SN RP SN SP SN RP SN
L300P
Termination jumper
Send/receive (+)
Send/receive (–)
- L300P Series Inverter 1
- Instruction Manual 1
- Safety Messages 2
- Terminal (ring lug) 4
- Cable support 4
- Powerup Test Caution Messages 7
- General Warnings and Cautions 10
- General Caution 12
- Circuit Breaker 15
- Wire Connectors 15
- Motor Overload 15
- Protection 15
- Table of Contents 16
- Revisions 18
- Contact Information 19
- Getting Started 20
- Digital Operator 22
- Components 22
- Removable 23
- Specifications 24
- Label and Agency 24
- Approvals 24
- Model Number 24
- Convention 24
- L300P Inverter Specifications 25
- Tables for 400V 26
- Geting Started 27
- Item General Specifications 29
- Derating curves, continued 31
- L300P 30 to 37 kW 200V class 31
- L300P 45 to 75 kW 200V class 31
- L300P 30 to 37 kW 400V class 32
- L300P 1.5 to 22 kW 400V class 32
- L300P 90 to 132 kW 400V class 33
- L300P 45 to 75 kW 400V class 33
- Inverter Input and 35
- Three-Phase 35
- Inverter Output to 35
- Frequently Asked Questions 38
- Inverter Mounting 40
- Unpacking and 41
- Inspection 41
- Main Physical 41
- Features 41
- Retention screws 43
- Basic System Description 44
- Mounting 45
- Location 45
- Check Inverter 47
- Dimensions 47
- Prepare for 52
- Determining Wire 53
- Dimensions and 55
- Torque Specs 55
- Wire the Inverter 57
- Input to a Supply 57
- Powerup Test 60
- Powering the 61
- Using the Front Panel Keypad 62
- Keys, Modes, and 63
- Monitor Mode 64
- Program Mode 64
- Monitoring 68
- Parameters with 68
- Running the 68
- Configuring 70
- Drive Parameters 70
- Choosing a Programming Device 71
- Using Keypad Devices 72
- Trip Event and 76
- Programming 76
- Error Monitoring 76
- “A” Group: Standard Functions 78
- Multi-speed and 82
- Jog Frequency 82
- Torque Control 83
- Algorithms 83
- DC Braking 86
- Frequency 88
- Acceleration 89
- Pause Function 89
- Accel/Decel 94
- Characteristics 94
- Additional 96
- Automatic 97
- Restart Mode and 97
- Phase Loss 97
- Electronic 98
- Thermal Overload 98
- Alarm Setting 98
- Overload 102
- Restriction 102
- Software Lock 104
- Miscellaneous 105
- Settings 105
- V/f Pattern 111
- Free-setting 111
- Input Terminal 112
- Configuration 112
- Intelligent Input 114
- Terminal 114
- Overview 114
- Output Terminal 117
- Output Function 120
- Adjustment 120
- Parameters 120
- Communications 122
- Analog Signal 123
- Calibration 123
- Functions 124
- Programming Error Codes 129
- Operations 131
- Introduction 132
- Warnings for 133
- Operating 133
- Procedures 133
- Specifications of 138
- Control and Logic 138
- Connections 138
- L300P Inverter 139
- Multi-Speed 142
- Jogging 145
- value is 0 Hz 145
- External Signal 146
- Two-stage 148
- Acceleration and 148
- Deceleration 148
- Unattended Start 151
- Commercial 152
- Power Source 152
- Switching 152
- Analog Input 155
- Current/Voltage 155
- Thermistor 157
- Three-wire 158
- Interface 158
- Operation 158
- PID ON/OFF 159
- Remote Control 160
- Up and Down 160
- Force Operation 161
- Operator 161
- Run Enable for 164
- FW/RV (–xFU2 164
- Frequency Arrival 167
- Advance Notice 169
- Output Deviation 170
- Instantaneous 173
- Power Failure / 173
- Under-voltage 173
- Run Time / 176
- Power-On Time 176
- Over Signals 176
- Thermal Warning 177
- Analog Input Operation 181
- Analog Output Operation 184
- [AM] and [AMI] 186
- Terminals 186
- Setting Motor Constants 187
- PID Loop Operation 188
- Inverter System 191
- Accessories 191
- Component Descriptions 193
- NF–CEHxx 194
- SJ-DG Digital Input Card 195
- Dynamic Braking 196
- Selection Tables 197
- Choosing a 198
- Braking Unit 198
- Selecting a 199
- Braking Resistor 199
- Troubleshooting 203
- Monitor Menu 210
- Trip History 210
- Current Trip 210
- Conditions 210
- Maintenance and Inspection 212
- Capacitor 215
- Replacement 215
- Fan Assembly 216
- INVERTER 218
- Warranty 220
- Glossary and 221
- Bibliography 221
- Glossary 222
- Serial Connection 229
- Diagrams 229
- Serial Network 230
- Parameter 230
- Communications Protocol 231
- STX Node Command BCC [CR] 241
- Frame format 241
- Inverter 242
- Affirmative Reply 242
- Negative Reply 242
- Block Check 243
- Code (BCC) 243
- Drive Parameter 244
- Settings Tables 244
- Standard 246
- Appendix C 247
- Fine Tuning 249
- Intelligent 252
- Motor Constants 253
- Expansion Card 254
- User-selectable 255
- Menu Functions 255
- Installation 256
- Guidelines 256
- PEL1 L2L3 258
- Hitachi EMC Recommendations 259
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