PS200 Configuration & Operation Guide
OPTIONS & FEATURES
Page 75
Critical Speed Windows
The PumpSmart PS200 can be configured to avoid certain operating speed ranges, or windows to avoid
undesirable resonances while in the Speed Control Macro. These resonances, or critical speeds, are more common
to multistage pumps such as vertical turbine pumps.
Refer to the pump’s manufacturer to determine if the pump being controlled by PumpSmart has a critical speed
within your defined operating speed range (between 14.01 MAX SPEED and 14.02 MIN SPEED).
If the function is selected, PumpSmart will respond in the following manner when confronted with operation
within the critical speed window:
- If the commanded speed falls within the critical speed bandwidth and the drive is accelerating it will run at
a speed just below the critical speed window until the commanded speed rises above the window.
- If the commanded speed falls within the critical speed bandwidth and the drive is decelerating it will run at
a speed just above the critical speed window until the commanded speed falls below the window.
Parameter
Name
Value/Range
Note(s)
14.10
CRITICAL SPEED 1
0 – 9999 RPM
0- Disabled [default]
Refer to the pump manufacturer for
first critical speed.
14.11
CRITICAL SPEED 2
0 – 9999 RPM
0- Disabled [default]
Refer to the pump manufacturer for
second critical speed.
14.12
NCR WIDTH
0 – 1000 RPM
0- [default]
This is the total critical speed
bandwidth (½ above and ½ below) of
the value set for Critical Speed 1 and 2.
Digital Fault Reset
There are several ways faults can be reset on the PumpSmart PS200. Methods include reset via the Keypad, by
Fieldbus, or by an external digital input. For external digital reset, a momentary contact (single pole N.O.) switch is
wired into Digital input 6. Faults are reset when DI6 is closed.
-
PUMP FAULTS resets the following pump related faults: Pump Protect, Low Demand, Dry Run, Min Flow,
Vibration 1 and 2, Condition 1 and 2 and Process Sensor.
-
VFD FAULTS resets all VFD related faults including a keypad fault.
-
BOTH resets both Pump and VFD related faults.
Parameter
Name
Value/Range
Note(s)
24.04
DIGIT RST CONFIG
PUMP FAULTS
VFD FAULTS
BOTH
[default]
Fault reset (if faulted condition has
been corrected) upon closure of DI6.
1 DI1
2 DI2
3 DI3
4 DI4
5 DI5
6 DI6
7 +24 VDC
8 +24 VDC
9 GROUND
10 GROUND
11 DIIL
X22
DIGITAL SWITCH POWER SOURCE
DIGITAL SWITCH POWER SOURCE
DIGITAL SWITCH GROUND
SETPOINT SELECTION
SECONDARY PRTCT B
DIGITAL RESET
SECONDARY PRTCT A / THERMISTOR
DIGITAL SWITCH GROUND
DRIVE PERMISSIVE
OP
T
OP
T
START/STOP
2 WIRE/HOA Configuration
MANUAL OVERRIDE
2 WIRE/HOA Configuration
OP
T
OP
T
OP
T
OP
T
OP
T
OP
T
OP
T
OP
T
OP
T
EXAMPLE
Digital Reset
Summary of Contents for PumpSmart PS200
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