Danfoss VLT FC Series User Manual

Parameter Selection Function
31-00 Bypass Mode Bypass Mode Selects source of motor power.
(0) Drive (drive mode) (1) Bypass (bypass
mode)
31-01 Bypass Start Time Delay Bypass Start Time Delay Sets a delay time for starting in bypass that
allows for external actions to take place
before line starting the motor.
0-60 s (default value is 5 s)
31-02 Bypass Trip Time Delay Bypass Trip Time Delay Setting a value other than 0 s enables auto
bypass. Bypass trip delay sets the delay time
before switching to bypass mode when the
drive has a fault.
0-300 s (default is 0 s = OFF)
31-03 Test Mode Activation Test Mode Activation Setting to enabled puts bypass in test mode.
See manual for warnings and cautions.
(0) disabled (default value) (1) enabled
31-10 Bypass Status Word Bypass Status Word Read only display which shows the bypass
status in hex. See next table for details.
0, 216-1 (default value is 0)
31-11 Bypass Running Hours Bypass Running Hours Read only display which shows bypass
running hours.
Table 6.8 Bypass Parameter Functions
Bit
Description
0
Test Mode
The Test Mode bit will be true when the ECB is in Test Mode.
1
Drive Mode
The Drive Mode bit will be true when the ECB is in Drive Mode.
2
Automatic Bypass Mode
The Automatic Bypass Mode bit will be true when the ECB is in Automatic Bypass Mode.
3
Bypass Mode
The Bypass Mode bit will be true when the ECB is in Bypass Mode.
4
Reserved
This bit is reserved for future use.
5
Motor Running from Bypass/Drive
The Motor Running from Bypass/Drive Bit will be true when the motor is running from either the drive or the bypass.
6
Overload Trip
The Overload Trip Bit will be true when the ECB detects an overload trip.
7
M2 Contactor Fault
The Contactor Fault Bit will be true when an M2 Contactor Fault is detected.
8
M3 Contactor Fault
The Contactor Fault Bit will be true when an M3 Contactor Fault is detected.
9
External Interlock
The External Interlock Bit will be true when an External Interlock fault is detected.
10
Manual Bypass Override
The Manual Bypass Override Bit will be true when the Manual Bypass Override input is true.
Table 6.9 31-10 Bypass Status Word Word Bit Definitions
Electronically Controlled B... Option Panel Operating Instructions
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Danfoss VLT FC Series Specifications

General

Category	DC Drives
Series	VLT FC Series
Output Voltage	0-100% of input voltage
Protection Features	Overvoltage, Undervoltage, Overcurrent, Short circuit, Overtemperature, Motor overload
Communication Interfaces	CANopen, PROFIBUS, Ethernet
Cooling Method	liquid-cooled
Enclosure Rating	IP20, IP21, IP55
Ambient Temperature	-10°C to +40°C (14°F to 104°F) without derating