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Wire Terminations
Control Interface Wiring – Drive Terminal Block TB3
Control interface inputs are connected to terminal Block TB3. TB3 is located on the Control Interface Board installed in the drive. All
1336 PLUS II Configured Drives come with a 115V AC Control Interface Card (Option L6) unless otherwise specified. 24V AC/DC control and
Contact Closure control are available as options. Encoder feedback is available as an option with any of the three control methods.
All control interface cards provide input terminals for access to fixed drive functions that include start, stop, and enable. Four additional
inputs are programmed for functions such as reverse, preset speed access, jog, second accel/decel time access and local control selection.
The function of each input is defined through programming. For Configured Drives, functions are pre-programmed at the factory for a
specific application and configuration and should not require field re-programming.
A variety of combinations made up of the following inputs are available.
Control Interface Options
115V
24V
TTL
• Start
• 2 Accel/Decel Rates • 2 Stop Mode Selects
AC
AC/DC
Contact
• Stop/Clear Fault
• 3 Speed Selects
• Run Forward
Without Encoder
• Reverse
• Enable
• Run Reverse
Std.
-L5C
-L4C
Feedback
• Digital Potentiometer (MOP) • Auxiliary
• Local Control
With Encoder
-L9EC
-L8EC
-L7EC
Feedback
ATTENTION: The drive is intended to be controlled by control input signals that will start and stop the motor. A device that
routinely disconnects then reapplies line power to the drive for the purpose of starting and stopping the motor
is not recommended. If this type of circuit is used, a maximum of 3 stops in any 5-minute period with a minimum
1-minute rest between each cycle is required. These 5-minute periods must be separated by 10-minute rest cycles
to allow the drive precharge resistors to cool. Refer to codes and standards applicable to your particular system for
specific requirements and additional information.
Start 1
Stop/Fault Reset
Common
Reverse
Jog
Auxiliary
Common
Speed Select 3
Speed Select 2
Speed Select 1
Common
Enable
Encoder B
Encoder NOT A
Encoder NOT B
Encoder A
+12V (200mA Maximum)
Encoder Common
ATTENTION: User remote speed reference signals are terminated to logic common at TB2 terminals 3 & 4. This puts the negative
or common side of these signals at earth ground potential. Control schemes should be examined for possible
conflict with this grounding scheme and possible equipment damage.
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
INCLUDED ONLY ON
L7EC, L8EC & L9EC OPTIONS
The maximum and minimum wire size accepted by TB3 is 2.1 and 0.30 mm2
(14 and 22 AWG). Maximum torque for all terminals is 1.36 N-m (12 lb-in).
1 Configured drives will generally be factory programmed for the control scheme shown (Parameter 241 set to 2, which
is a 3-wire control), and all other inputs set to default. Refer to publication 1336 PLUS-5.3 for further information.
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