2-2 Parameter Descriptions
7000-TD002A-EN-P – September 2007
Bit Enum Text Description
0 Redn ConvFan Redundant Converter Fan for Air cooled drives
1 RednIsoTxFan Redundant Isolation Tranformer Fan
2 Redn PwrSup Redundant Power Supply
3 Output IsoTx Output Isolation Transformer
4 Input IsoSw Input Isolation Switch
5 Output IsoSw Output Isolation Switch
6 Bypass IsoSw Bypass Isolation Switch
7 DCNeutralVSB Voltage Sensing Board for DC/Neutral voltage measurement
8 Output Ctctr Output Contactor installed in the drive
9 Bypass Ctctr Bypass Contactor installed in the drive
10 Ambient Temp Ambient temperature enabled
11 Rec ChB Temp Rectifier Channel B temperature
12 Redn Dvc Inv Redundant Inverter Device
13 Redn Dvc Rec Redundant Rectifier Device
14 Rockwell UPS Rockwell specified UPS installed in the drive
15 Customer UPS Customer supplied UPS installed in the drive
The description in the manual will always be structured in the same way. The top description (in this
case, Redn ConvFan) is always the least-significant bit, or right-most bit. As you move down the list of
descriptions, you move to the left on the bit-encoded word. Any unused bits in the middle of a word will
be identified, but unused bits in the middle of a word will have no description. This is why a 16-bit word
may only have a few descriptions. The rest are reserved for future expansion.
When a bit-encoded parameter is viewed in its associated group, it is actually displayed as a hexadecimal
number. The right-most four bits represent the right-most hexadecimal digit. Each subsequent group of
4 represents the next hex digit.
The following table illustrates the relationship:
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Value
8 4 2 1 8 4 2 1 8 4 2 1 8 4 2 1
0 1 0 1 1 1 1 0 1 0 1 1 0 0 1 1
Example
0 + 4 + 0 + 1 8 + 4 + 2 + 0 8 + 0 + 2 + 1 0 + 0 + 2 + 1
Sums
5 E B 3
When you display a specific bit-encoded parameter, or choose to modify a bit-encoded parameter, it will
be displayed in fit format, with an individual description of each bit. When modifying a parameter,
highlighting the bit with the cursor keys will automatically pop up the description on screen.
Conversion Table
Binary Hex Binary Hex Binary Hex Binary Hex
0000 0 0100 4 1000 8 1100 C
0001 1 0101 5 1001 9 1101 D
0010 2 0110 6 1010 A 1110 E
0011 3 0111 7 1011 B 1111 F
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