Emerson E300 Series - Page 233

Safety
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Mechanical
installation
Electrical
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User Menu A Commissioning
Advanced
Parameters
Diagnostics Optimization CT MODBUS RTU Technical Data
E300 Design Guide 233
Issue Number: 1
Drive Encoder Protocol Detected (C20) shows the encoder comms protocol detected during position feedback initialization. If Drive Encoder Type
(C01) is set to SC Hiperface or BiSS then Drive Encoder Protocol Detected (C20) is set to the appropriate value after successful communication with
the encoder during initialization. If Drive Encoder Type (C01) is set to EnDat or SC EnDat then Drive Encoder Protocol Detected (C20) is set to the
appropriate EnDat protocol after successful communication with the encoder during initialization. If communications is not successful during
initialization then Drive Encoder Protocol Detected (C20) is set to 0 (None).
This parameter can be used to enable or disable position feedback trip functions as follows:
C20 Drive Encoder Protocol Detected
Mode RFC-A, RFC-S
Minimum 0 Maximum 4
Default Units
Type 8 Bit Volatile Update Rate Background write
Display Format Standard Decimal Places 0
Coding RO, Txt, ND, NC, PT
Value Text
0 None
1Hiperface
2 EnDat2.1
3 EnDat2.2
4BiSS
C21 Drive Encoder Error Detection Level
Mode RFC-A, RFC-S
Minimum
0
(Display: 0000)
Maximum
15
(Display: 1111)
Default
1
(Display: 0001)
Units
Type 8 Bit User Save Update Rate Background read
Display Format Binary Decimal Places 0
Coding RW
Bit Function
0 Enable wire break detection
1 Enable phase error detection
2 Enable SSI power supply alarm bit monitor
3 Disable trips Encoder 1 to Encoder 6