LEESON SM Series Sub-Micro Inverters User Manual

Page 19

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15

NOTE: If TB-13A, TB-13B, and TB-13E are all programmed to select speed references, and two
or three of the terminals are closed to TB-11, the higher terminal has priority and will override the
others. For example, if TB-13A is programmed to select 0-10 VDC, and TB-13E is programmed
to select PRESET SPEED #3, closing both terminals to TB-11 will cause the drive to respond to
PRESET SPEED #3, because TB-13E overrides TB-13A.

The exception to this is the MOP function, which requires the use of TB-13B and TB-13E. This
leaves TB-13A to be used for some other function. If TB-13A is programmed for a speed reference,
and TB-13A is closed to TB-11, TB-13A will override the MOP function.

10.7

DRIVE STATUS DIGITAL OUTPUTS

There is one Form A relay at terminals TB-16 and TB-17. Relay contacts are rated 3 amps at 250 Vac.

Terminal TB-13E can also be configured as a digital output. This output circuit is a current-sourcing type
rated at 12 VDC and 50 mA maximum.

The Form A relay and digital output can be programmed to indicate any of the following: RUN, FAULT,
INVERSE FAULT, FAULT LOCKOUT, AT SPEED, ABOVE PRESET SPEED #3, CURRENT
LIMIT, AUTO SPEED MODE, and REVERSE. Refer to Parameters 06 and 12 in Section 15.0 -
DESCRIPTION OF PARAMETERS.

The diagram below illustrates how TB-13E, when configured as a digital output, can be used to drive an
external relay:

DIODE SNUBBER

(1N4148 or Equivalent)

RELAY COIL

TB-2

TB-13E

SM SERIES

TERMINAL STRIP

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