Page E-1
FPU-32 Feeder Protection Unit
Rev.
2-A-103014
Appendix E, Register Formats
A
PPENDIX
E
R
EGISTER
F
ORMATS
T
YPE
C
T
YPE
D
ESCRIPTION
(1)
T1
Float IEEE
32-Bit
Floating-Point Number
Bit 31: Sign
Bits 30..23: Exponent
Bits 22..0: Mantissa
(High): Bits 31..16
(Low): Bits 15..0
T2
Long 32-Bit
Integer
(High) Bits 31..16
(Low) Bits 15..0
T3
Short 16-Bit
Integer
T6
Short Enable/Disable
0:
Enabled
1:
Disabled
T10
Short Frequency
0:
50
Hz
1:
60
Hz
T14
Short
Relay Trip/Alarm Mode
0: Fail Safe
1: Non Fail Safe
T18
Short
Error Checking (AB DF1 Only)
0: Not Selected
1: CRC Check
2: BCC Check
T22
Char
20 ASCII Characters
Re0: Char[0] and Char[1]. Char[0] at MSByte
Re1: Char[2] and Char[3]. Char[2] at MSByte
Re2: Char[4] and Char[5]. Char[4] at MSByte
Re3: Char[6] and Char[7]. Char[6] at MSByte
Re4: Char[8] and Char[9]. Char[8] at MSByte
Re5: Char[10] and Char[11]. Char[10] at MSByte
Re6: Char[12] and Char[13]. Char[12] at MSByte
Re7: Char[14] and Char[15]. Char[14] at MSByte
Re8: Char[16] and Char[17]. Char[16] at MSByte
Re9: Char[18] and Char[19]. Char[18] at MSByte
A character value of 0 (Null) will terminate the string and the
following characters will be ignored.
Ethernet address strings are of the form: “ddd.ddd.ddd.ddd”.
The MAC address is a hex string of the form: “hhhhhhhhhhhh”.