Toshiba TE Series Instruction Manual page 28

Low voltage digital solid state soft starter 18 – 1250a
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Basic Installation and Operation Guide
N C
RAMP2
JOG
6
7
8
RAMP 1
RAM P 2
Figure 4.2.5.a:
Dual Ramp Connections
TB-1
N C
RAMP2
JOG
6
7
8
RUN
Figure 4.2.5.b:
Jog Connections
TB-1
N C
RAMP2
JOG
6
7
8
RUN
Figure 4.2.5.c:
Dual Ramp / Jog Connections
TB-1
19 |
P a g e
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4.2.5
Enabling the Dual Ramp and Jog Features
TB1 includes provisions for enabling the Dual Ramp and Jog functions
by using external contact closures. Both features use a common
+24VDC from terminal 7 however, they can be used independently of
each other or together. See sections 5.6.2 and 5.6.3 for full function
descriptions and setup.
4.2.5.a
PTC
OPTO
Closing a dry (voltage free) contact between TB1, terminals 6 and 7
will enable Ramp 2, and the TE Series starter will respond to the
settings for Ramp 2 in F015 - F018. If no contact closure is present,
the TE Series starter defaults to the Ramp 1 parameters (F011 –
F014). See Section 5.6.2.a for setup of the Dual Ramp Feature.
The Dual Ramp feature is useful in instances where the load
changes significantly. Example: a loaded or unloaded conveyor belt.
The characteristics for starting an unloaded conveyor can be
programmed for ramp 1. The characteristics for starting a loaded
conveyor can be programmed for ramp 2. Ramp 2 can also be
programmed for Full Voltage / Across-the-Line starting by setting the
ramp time to 0 and Current to 600%.
Dual Ramp is also useful in 2-speed motor applications. Simply use
an auxiliary contact from one of the speed contactors to select Ramp
2 so that separate ramp profiles can be used.
4.2.5.b
Connecting a dry (voltage free) contact between TB1, terminals 7
PTC
OPTO
and 8 will enable the Jog feature. A Start command (Run Command
or Start button) is required to activate the Jog feature. See Section
5.6.3 for setup of the Jog Function.
The Jog feature can be used for tasks such as lining up machines for
JOG
blade or bit changes or inching belts along to check tracking.
This input is also used to change the function of the Serial
Communications port control through F068. For additional
information, see instructions of that function in section 5.6.10.
4.2.5.c
PTC
OPTO
It may be useful to initialize the Ramp 2 and Jog command
simultaneously when jogging. If this is the case, terminals 6 and 8
can be jumped together and controlled with one contact closure to
Terminal 7 (the common 24VDC).
RAM P 2
JOG
TE Series Digital Solid State Soft Starters 18 – 1250A
Dual Ramp Command
Jog / Remote Command
Using Both Commands

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