4
第二章电气安装
Chapter 2 Electric installations
2.1
主电路端子及接线
Main electric circuit terminals and wiring
1)
变频器主回路端子说明:
Frequency converter main circuit terminal instruction:
端子标记
Terminal
marks
名称
Name
说明
Instruction
R
,
S
,
T/L
、
N
电源输入端子
Power supply input
terminals
三相
380V/
单相
220V
交流电源连接点
Connection point of three-phase 380V /
single-phase 220V AC power supply
P+
,
PB
制动电阻连接端子
Brake electric
resistance connect terminals
连接制动电阻
Connect brake electric
resistance
U, V
,
W
变频器输出端子
Frequency
converter output terminals
连接三相电动机
Connect three phase motor
舎
接地端子
Grounding terminals
接地端子
Grounding terminals
2.1.2
变频器控制回路接线方式
Wiring method of frequency converter control circuit