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11.2 TWO-WIRE START/STOP CONTROL

This wiring diagram shows a typical two-wire start/stop control scheme, using one maintained

contact (such as that from a PLC) for RUN and STOP commands, and a selector switch to

select rotation direction.

MAINTAINED

RUN/STOP CONTACT

SIGNAL COMMON

0-10 VDC INPUT

DIGITAL INPUT REFERENCE

START

START REVERSE

4-20 mA INPUT

1 2

5 6

TXA TXB

4 13A 13B 13C4 13D 2511 15 30

SIGNAL COMMON

DIGITAL INPUT REFERENCE

(See Note 3)

START FORWARD

FWDREV

(See Note 3)

NOTES

• Close TB-1 to TB-4 to RUN, and open TB-1 to TB-4 to STOP.

• For this conﬁguration, ROTATION DIRECTION (Parameter 17) must be

set to FORWARD AND REVERSE (02), TB-13A (Parameter 10) must be

set to START REVERSE (07), and TB-13D (Parameter 49) must be set to

START FORWARD (05).

If reverse rotation is not required, simply close TB-1 to TB-4 to RUN,

and open to STOP (no other wiring or programming is required).

• For 0-10 VDC or 4-20 mA speed control, use one of the following methods:

- Program Parameter 05 - STANDARD REFERENCE SOURCE for 0-10

VDC (03) or 4-20 mA (04). This method is preferable if only one speed

source is required, as this method leaves the TB-13 terminals free to be

used for other functions.

- Program one of the TB-13 terminals (13B, 13C are available in this

example) for 0-10 VDC (02) or 4-20 mA (03). When that TB-13 terminal

is closed to TB-4, the drive will respond to the selected speed reference

signal. If that TB-13 terminal is not closed to TB-4, the drive will respond

to the speed control source selected in Parameter 05 - STANDARD

REFERENCE SOURCE. This method must be used if it is necessary to

toggle between two speed sources.

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