Toshiba VF-A7 An external braking resistor optional, Any value, Class Capacity kW

2)An external braking resistor (optional)

a)External braking resistor (with a thermal fuse) (optional)

			External braking	resistor
			(optional)
	MCCB	ＰＡ	ＰＢ
				Motor
		Ｒ	Ｕ
Power		Ｓ	Ｖ	IM
supply		Ｔ	Ｗ
		Inverter

Ｇ/Ｅ

[Parameter	setting]
Title	Function	Adjustment range	Setting value
	Dynamic braking	: Disabled	
	mode selection	: Enabled/overload detection enabled

☆In the case that the internal dynamic resistor is used in 3.7kW model or less, then do not use any external braking resistors. When using an external braking resistor instead of the internal resistor, change the connection of the internal resistor from terminal PB1 to terminal PR1. (For boosting braking force)

Do not connect an external resistor with a resistance (combined resistance) smaller than the minimum admissible resistance.

For overload protection, be sure to set the parameters  and  properly.

[Parameter		setting]
	Title				Function			Adjustment range		Setting value
			Dynamic braking resistance				～ [Ω]			Any value
			Dynamic braking resistor capacity				～ [kW]
[Externally connectable braking resistors (resistance)]
	Voltage		Applicable motor			Internal braking			Minimum admissible resistance
	class [V]		capacity [kW]			resistor			connected externally [Ω]
			0.4,	0.75		120[W] - 70[Ω]			63
	200		1.5						35
			2.2						25
			3.7			120[W] - 40[Ω]			17
	400		0.75,		1.5	120[W] - 150[Ω]			100
			2.2						67
			3.7						40

F-26