18 SF01U
10.6 SPEED REFERENCE SELECTION
If an analog speed reference input is used to control the drive speed, terminal TB-13A, 13B,
or 13C (Parameter 10, 11, or 12) may be programmed as the input select for the desired
analog input signal. When that TB-13 terminal is then closed to TB-2, the drive will follow the
selected analog speed reference input.
If an analog speed reference input is not selected on the terminal strip using TB-13A, 13B,
or 13C, speed control will default to STANDARD mode, which is governed by the setting of
Parameter 05 - STANDARD SPEED SOURCE. The STANDARD SPEED SOURCE can be
the and buttons on the front of the drive, PRESET SPEED #1 (Parameter 31), a 0-10
VDC signal, or a 4-20 mA signal.
0 - 10 VDC and 4 - 20 mA INPUT SIGNALS
TB-13A, TB-13B, and TB-13C can all be programmed to select a 0-10 VDC or 4-20 mA analog
speed reference input.
PRESET SPEEDS
TB-13A can be programmed to select PRESET SPEED #1, TB-13B to select PRESET SPEED
#2, and TB-13C to select PRESET SPEED #3. There are a total of seven preset speeds, which
are activated by different combinations of contact closures between TB-13A, 13B, 13C and
TB-2. Refer to Parameters 31-37 in Section 15.0 - DESCRIPTION OF PARAMETERS.
JOG
TB-13B can be programmed to select either JOG FORWARD or JOG REVERSE. The Jog
speed is set by PRESET SPEED #2. Close TB-13B to TB-2 to JOG, and open the contact
to STOP.
WARNING!
When operating in JOG mode, the STOP terminal (TB-1) and the STOP key
(on the optional remote keypad) WILL NOT stop the drive. To stop the drive,
remove the JOG command.
JOG REVERSE will operate the drive in reverse rotation even if ROTATION
DIRECTION (Parameter 17) is set to FORWARD ONLY
NOTE
If the drive is commanded to JOG while running, the drive will enter JOG
mode and run at PRESET SPEED #2. When the JOG command is removed,
the drive will STOP.
MOTOR OPERATED POT (MOP) / FLOATING POINT CONTROL
TB-13B and TB-13C are used for this function, which controls the drive speed using contacts
wired to the terminal strip. Program TB-13B for DECREASE FREQ (05), and program TB-
13C for INCREASE FREQ (05). Closing TB-13B to TB-2 will cause the speed setpoint to
decrease until the contact is opened. Closing TB-13C to TB-2 will cause the speed setpoint
to increase until the contact is opened. The INCREASE FREQ function will only operate while
the drive is running.
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