Toshiba VF-A7 instruction manual Board options, Table of board options, Functions of board options

9. 6 Board options

Besides the optional add-on cassettes, such the board options as shown below are prepared for the inverter VF-A7.

■Table of board options

Option name	Function, purpose	Model	Remarks
	Since this option is compatible to	VEC002Z	Cannot be
		(For complementary / open
PG feedback	vector option unit, it can be used		used together
		collector type encoder)
	for speed control and torque		with any
board
		VEC003Z
	control by the PG feedback		optional add-on
	function.	(For line driver type encoder)	cassettes.

■Functions of board options

	Vector option unit	PG feedback board
Model	(optional add-on cassette)	(board option)
	VEC001Z	VEC002Z	VEC003Z
	Speed controlled operation
	(150 % torque at zero speed, speed control range: 1:1000 [1000 ppr PG],
Vector control with sensor	speed accuracy: ±0.02 % [50 Hz, basic digital input])
	Torque controlled operation
	(torque control accuracy: ±10 % [torque control range: -100 to +100 %])
Position control command operation	Available(pulse command)	Unavailable	Unavailable
	Line driver system	Complementary system	Line driver system
PG system	(equivalent to 26LS31)
	Complementary system	Open collector system	(equivalent to 26LS31)
	Open collector system
Maximum frequency of input pulse	60 kHz(2-phase), 120 kHz(single phase)
	Maximum frequency is restricted depending on kind of encoder and wiring distance.
	Pulse duty: 50±10 %
Length of PG wiring	100 m (complementary system)	100 m (complementary system)	30 m
Power supply for PG	5 V, 6 V, 12 V, 15 V	12 V (fixed), 160 mAdc	5 V (fixed), 160 mAdc
	(switchable), 160 mAdc
Voltage drop compensation	Available	Unavailable	Unavailable
for PG power supply
Sensor disconnection	Available	Available	Available
detection/in running (in rotation)
Sensor disconnection	Available	Unavailable	Unavailable
detection/in suspension	(line driver system only)
±10 V analog command input	Available	Unavailable	Unavailable
Multifunction programmable output	2 circuits (sink/source switchable)	Unavailable	Unavailable
Alarm output	4 circuits (sink/source switchable)	Unavailable	Unavailable
Terminal board	Detachable terminal board	Fixed terminal board (Phoenix)	Fixed terminal board (Phoenix)
	(Phoenix)	(equivalent to VFS7E control	(equivalent to VFS7E control
	+ connector for VFV3 sensor	terminal board)	terminal board)
PG wiring	Connector wiring	Screw terminal	Screw terminal
	(connector for VFV3 sensor)
Connection with other add-	Available	Unavailable	Unavailable
on cassette option
Remarks	VFV3 motor/standard	Standard motor with sensor	VFV3 motor
(applied motor, expected)	motor with sensor

■Installation of board option

For installing a board option, fit the bracket to the right side of the inverter and plug the connector of the option board into the connector jack of the control board.

Connector

Board option Bracket

I-12