3:7
Review the 2CN
Connector Pin
Functions Before
Wiring
The controller interfaces with
external operator devices, motion
control modules, PLC, and other
logic devices through the 2CN
connector. This connector accepts
input analog signals and logic
signals. The connector also
contains outputs for remote
monitoring.
12-Volt Control Power
Supply
The controller is designed to
isolate the reference and
sequencing circuits by using two
power supplies. The controller
includes a 12 VDC power supply
to operate the reference circuit.
This power is available on pins
2CN-1 (+12 VDC), 2CN-2 (-12
VDC), and 2CN-19 through
2CN-25 (OV).
The sequencing circuit contains all
optically isolated inputs and
outputs. Power for these functions
is not included in the controller.
The power supply can be 12 to 24
VDC and must be wired to 2CN-10
(+VI) and 2CN-26 through 2CN-32
(OVI). This power supply must
source 40 mA maximum at 12
VDC.
Analog Input Signals
Speed/Torque Reference
The controller accepts analog
reference signals when operating
as a speed or torque regulator.
The SR potentiometer allows the
maximum differential input voltage
between 3 and 26 volts. Maximum
single-ended inputs can be
between 2 and 16 volts. The
reference can be either differential
or single-ended signals. The SR
pot allows maximum differential at
input voltages between 3 and 26
volts. Maximum single-ended input
voltages can be between 2 and 16
volts. See Figure 3-3. Wire
differential signals to pins 3 and 4.
Two inputs exist for single-ended
signals. The input pins are 5 and
39 while the common pins are 19
through 25. The input impedance
is 10K ohms for these inputs.
If a single-ended input signal is
desired with a ramp, connect the
input to pin 4 and connect the
signal zero to pin 3.
Figure 3-3. Speed/Torque Reference Circuitry.
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