Bypass Status Word Bit Examples; Parameter 31-10 Bypass Status Word Bit Definitions - Danfoss VLT Option Panel Instruction Manual

Table 6-6. Parameter 31-10 Bypass Status Word Bit Definitions
Bit
Test Mode
0
The Test Mode bit will be true when the ECB is in Test Mode.
Drive Mode
1
The Drive Mode bit will be true when the ECB is in Drive Mode.
Automatic Bypass Mode
2
The Automatic Bypass Mode bit will be true when the ECB is in Automatic
Bypass Mode.
Bypass Mode
3
The Bypass Mode bit will be true when the ECB is in Bypass Mode.
Reserved
4
This bit is reserved for future use.
Motor Running from Bypass/Drive
5
The Motor Running from Bypass/Drive Bit will be true when the motor is running
from either the drive or the bypass.
Overload Trip
6
The Overload Trip Bit will be true when the ECB detects an overload trip.
M2 Contactor Fault
7
The Contactor Fault Bit will be true when an M2 Contactor Fault is detected.
M3 Contactor Fault
8
The Contactor Fault Bit will be true when an M3 Contactor Fault is detected.
External Interlock
9
The External Interlock Bit will be true when an External Interlock fault is detected.
Manual Bypass Override
10 The Manual Bypass Override Bit will be true when the Manual Bypass Override
input is true.

Bypass Status Word Bit Examples

1. Motor running and bypass in drive mode.
Status word 22 hexadecimal converts to 00000100010 binary.
Bit 10 9
Binary 0 0
2. External interlock fault (open) and bypass in bypass mode.
Status word 208 hexadecimal converts to 01000001000 binary.
Bit 10 9
Binary 0 1
8 7 6 5
0 0 0 1
8 7 6 5
0 0 0 0
Description
4 3 2 1
0 0 0 1
4 3 2 1
0 1 0 0
0
0
0
0
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