WEG CFW08 Vector inverter User Manual

CONTENTS
8.8 CAB-RS-1, CAB-RS-2, CAB-RS-3, CAB-RS-5, CAB-RS-7.5
CAB-RS-10 ............................................................................ 121
8.9 KCS-CFW08 .......................................................................... 122
8.9.1 Instruction and Removing Instructions for KCS-CFW08 123
8.10 KSD-CFW08 .......................................................................... 123
8.11 KMD-CFW08-M1.................................................................... 124
8.12 KFIX-CFW08-M1, KFIX-CFW08-M2 ........................................ 125
8.13 KN1-CFW08-M1, KN1-CFW08-M2 ......................................... 126
8.14 MIW-02 .................................................................................. 126
8.15 RFI Filters .............................................................................. 127
8.16 Line Reactor .......................................................................... 128
8.16.1 Application Criteria ...................................................... 128
8.17 Load Reactor ......................................................................... 129
8.18 Dynamic Braking.................................................................... 131
8.18.1 Resistor Sizing............................................................ 131
8.18.2 Installation ................................................................... 132
8.19 Serial Communication ............................................................ 133
8.19.1 Introduction ................................................................. 133
8.19.2 Interfaces Description .................................................. 134
8.19.2.1 RS-485 ........................................................... 134
8.19.2.2 RS-232 ........................................................... 136
8.19.3 Definitions ................................................................... 136
8.19.3.1 Used Terms .................................................... 136
8.19.3.2 Parameters/Variables Resolution .................... 136
8.19.3.3 Character Format ........................................... 136
8.19.3.4 Protocol ......................................................... 137
8.19.3.4.1 Reading Message .......................... 137
8.19.3.4.2 Writing Message ........................... 138
8.19.3.5 Execution and Message Test ......................... 138
8.19.3.6 Message Sequence ....................................... 139
8.19.3.7 Varaiables Code ....................................................... 139
8.19.4 Message Examples..................................................... 139
8.19.5 Variables and Errors of the Serial Communication ....... 140
8.19.5.1 Basic Variables .............................................. 140
8.19.5.1.1 V00 (Code 00700) .......................... 140
8.19.5.1.2 V02 (Code 00702) .......................... 140
8.19.5.1.3 V03 (Code 00703) .......................... 141
8.19.5.1.4 V04 (Code 00704) .......................... 142
8.19.5.1.5 V05 (Code 00705) .......................... 142
8.19.5.1.6 Message Examples with
Basic Variables .............................................. 142
8.19.5.2 Parameters Related to the Serial Communication143
8.19.5.3 Errors Related to the Serial Communication ... 144
8.19.6 Times for Read/Write of Messages .............................. 144
8.19.7 Physical Connection of RS-232 and RS-485 Interface.. 145
8.20 Modbus-RTU ...................................................................... 146
8.20.1 Introduction in the Modbus-RTU Protocol..................... 146
8.20.1.1 Transmission Modes ...................................... 146
8.20.1.2 Message Structure in RTU Mode .................... 146
8.20.1.2.1 Address ......................................... 147
8.20.1.2.2 Code Function ............................... 147
8.20.1.2.3 Data Field ...................................... 147
8.20.1.2.4 CRC............................................... 147
8.20.1.3 Time between messages .......................................... 148
8.20.2 Operation of the CFW-08 in the Modbus-RTU Network 148
8.20.2.1 Interface Description....................................... 148
8.20.2.1.1 RS-232 .......................................... 149

WEG CFW08 Vector inverter Specifications

General

Frequency Range	0 to 300 Hz
Overload Capacity	150% for 60 seconds
Protection Degree	IP20
Communication	RS485, Modbus RTU
Voltage	200 V to 240 V
Control Mode	Vector Control
Ambient Temperature	-10°C to 50°C
Input Frequency	50 Hz / 60 Hz
Output Voltage	0 to input voltage
Braking	Dynamic braking resistor (optional)
Protection Features	Overcurrent, overvoltage, undervoltage, overtemperature
Operating Temperature	-10°C to 50°C
Cooling Method	Forced air cooling (fan)
Humidity	5% to 90% non-condensing