6
Potentiometer rotation or input signal. In the Non-Linear Torque mode (NL), the torque is var-
i
ed by the Main Speed Potentiometer or input signal, and remains constant throughout the
m
otor’s entire speed range. In addition, Regenerate-to-Stop (RTS) or Coast-to-Stop (CTS)
stop modes are also provided.
S
tandard front panel features of the KBRC-240D include diagnostic LEDs (for Power On,
Stop and Overload), a Start/Stop Switch and a Main Speed Potentiometer. Other features
include Barrier Terminal Blocks (facilitates wiring of the AC line, motor armature and field,
t
ach-generator and run relay), adjustable trimpots (OFFSET, FACC, RACC, MAX, FWDCL,
REVCL, IR, RESP, DB and TCL), selectable jumpers (AC line voltage, motor voltage or tach
f
eedback, motor current, analog input voltage, control mode, torque mode, current limit
mode, stopping mode, run relay output contacts and enable) and PC Board mounted LEDs
(Power On, Overload, Forward Enable and Reverse Enable).
Optional accessories for the KBRC-240D include a Forward-Stop-Reverse Switch,
Auto/Manual Switch, Power On/Off Switch and a Signal Isolator. Quick-connect terminals are
provided for easy installation of all accessories. See Section X, on page 22.
TABLE 1 – GENERAL PERFORMANCE SPECIFICATIONS
TABLE 2 – ELECTRICAL RATINGS
Notes: 1. Step-down operation: Motor may have reduced brush life. Consult motor manufacturer.
2. Requires an isolated signal. If a non-isolated signal is used, install the Signal Isolator SIRC (P/N 8842).
Note: 1. Step-down operation: Motor may have reduced brush life. Consult motor manufacturer.
Parameter Specification
Factory
S
etting
AC Line Input Voltage (Volts AC, ±10%, 50/60 Hz) 115 and 208/230 230
A
rmature Voltage Range at 115 Volts AC Line (Volts DC)
0
– ±90
—
Armature Voltage Range at 208/230 Volts AC Line (Volts DC)
0 – ±90
1
, 0 – ±180
0 – ±180
Field Voltage at 115 Volts AC Line (Volts DC) 100/50 —
Field Voltage at 208/230 Volts AC Line (Volts DC) 200/100 —
Signal Following Input (Non-Isolated
2
) Range (Volts DC)
0 – ±10, 0 – ±15 0 – ±15
Signal Following Linearity (% Base Speed) 1 —
Line Regulation (% Base Speed) ±0.5 —
Armature Feedback Load Regulation (% Base Speed) ±1 —
Tach-Generator Feedback Load Regulation (% Set Speed) ±1 —
Maximum Load Capacity (% for 2 Minutes) 150 —
Current Ranges (Amps DC) 1.7, 2.5, 5, 7.5, 10 10
Speed Range (Ratio) 50:1 —
Operating Temperature Range (°C) 0 – 45 —
Offset Trimpot (OFFSET) Range (% Base Speed) 0 – ±10 0
Reverse Acceleration Trimpot (RACC) Range (Seconds) 0.2 – 15 1
Forward Acceleration Trimpot (FACC) Range (Seconds) 0.2 – 15 1
Maximum Speed Trimpot (MAX) Range (% Base Speed) 70 – 110 100
Forward Current Limit Trimpot (FWDCL) Range (% Range Setting) 0 – 200 150
Reverse Current Limit Trimpot (REVCL) Range (% Range Setting) 0 – 200 150
IR Compensation Trimpot (IR) Range at 90 Volts DC Output (Volts DC at Full Load) 0 – 15 —
IR Compensation Trimpot (IR) Range at 180 Volts DC Output (Volts DC at Full Load) 0 – 30 10
Deadband Trimpot (DB) Range (% Base Speed) 0 – ±3 0.5
Timed Current Limit Trimpot (TCL) Range (Seconds) 0 – 15 5
AC Line Input Voltage
(±10%, 50/60 Hz)
(Single Phase Volts AC)
Maximum AC Line
Input Current
(Amps AC)
Nominal Output
Voltage
(Volts DC)
Maximum Output
Load Current
(Amps DC)
Maximum
Horsepower Rating
HP, (kW)
115 15 0 – ±90 11 1, (0.75)
208/230 15 0 – ±180 11 2, (1.5)
208/230 15
0 – ±90
1
11 1, (0.75)
(16 pages)
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