Specifications

15
Encoder Output
Simulated encoder output for connection to external motion controller
Commutation
Sinusoidal commutation with resolver, encoder or SSI feedback
Trapezoidal commutation with Hall sensors only
Modes of Operation
Torque control, velocity control or step and direction
Communications
RS232 or RS485 for commissioning and diagnostics
Protection
DC bus over voltage monitoring; DC bus under voltage monitoring; Peak over current; Motor
short circuit; Over temperature; I2t over current
Regenerative Capability
Regeneration braking IGBT - requires external regen resistor
Control Supply Input
24VDC nominal (20-30VDC) @ 2A external (4A power on surge) - customer supplied
Connectors
D-type for serial port and feedback. Two part terminals for motor and power
Indicators
Single LED indicator for drive status
Dimensions
H: 180mm (7.09in) W: 79.6mm (3.13in) L: 157mm (6.18in)
Weight
1.5 Kg (3.3 lbs.)
Operating Temperature
0˚C to 45˚C
Compact Package
Housed in a compact package, MicroFlex is available in 3, 6 and 9A versions (with
200% overload). All current ratings share the same dimensions, making panel
design simple for different application demands. Voltage operation is from 115
through 230VAC single or three phase, making MicroFlex ideal for international
markets.
Industry Standard Interface
The industry standard ±10V analog command input can be configured for either
a torque or velocity reference. Alternatively, an integrated TTL Step and Direction
interface makes MicroFlex the ideal package for stepper drive upgrade in both new
and retrofit applications. This can even be used to expand the number of servo
axes when used with Baldor’s NextMove controllers and their stepper interfaces.
MicroFlex supports a software configurable encoder interface supporting:
commutating encoders; Hall-effects and synchronous serial interface (SSI). Resolver
is supported as an option.
An encoder output interfaces directly to the motion controller or PLC for position
and velocity update.
Easy Set-up
Set-up is performed from a simple wizard driven front end from within the Mint
WorkBench. Standard Baldor motors are selected from a drop-down. For custom
motors, the front end can calculate key parameters such as motor inductance,
resistance and inertia. Only the simplest of data needs to be entered keeping set-
up time to a minimum. The auto-tune process will even detect incorrect wiring of
the motor and feedback and electronically correct for them.
Reliable Design
To ensure reliability, MicroFlex protects against: over speed; over voltage; over
current; feedback loss and motor I
2
t.
Drive Diagnostics
The multi-drop RS485 network can be used for drive diagnostics allowing the host
controller such as NextMove or a PLC to interrogate the drive in the event of an
error.
The optional footmount EMC filter
saves panel space. Provision is made
to accommodate the optional fan
tray. The fan tray provides forced air
cooling for larger power sizes ( > 3A
RMS current).
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