Littelfuse MPS - Appendix F Register Formats

Page F-1
MPS Motor Protection System Rev. 6-F-022117
Appendix F, Register Formats
APPENDIX F
REGISTER FORMATS
TYPE
C TYPE
DESCRIPTION
T1
Float
IEEE 32-Bit Floating-Point Number
Bit 31: Sign
Bits 30..23: Exponent
Bits 22..0: Mantissa
Float (High): Bits 31..16
Float (Low): Bits 15..0
T2
Long
32-Bit Integer
(High) Bits 31..16
(Low) Bits 15..0
T3
Short
16-Bit Integer
T4
Double
IEEE 64-Fit Floating-Point Number
Bit 63: Sign
Bits 62..52: Exponent
Bits 51..0: Mantissa
Word 1 (Least Significant Word) … Word 4 (Most Significant Word)
T5
Reserved
T6
Short
Enable/Disable
0: Enabled
1: Disabled
T9
Short
Voltage-Connection Type
0: No Voltage Input
1: 1PT
2: 2PT
3: 3PT and Direct Connection
T10
Short
Frequency
0: 50 Hz
1: 60 Hz
T11
Short
Starter Type
0: Protection Only
1: Full Voltage Non-Reversing
2: Adjustable-Speed Drive
3: Soft Start
4: Full Voltage Reversing
5: Two Speed
6: Reactor/Resistor Closed Transition
7: Reactor/Resistor Open Transition
8: Slip Ring
9: Soft Start with Bypass
10: Part Winding
11: Double Delta
12: Autotransformer
13: Two Winding
14: Wye Delta, Open Transition
15: Wye Delta, Closed Transition