GE Multilin MM200, Communications Manual, Page: 28 / 94

2-20 MM200 MOTOR MANAGEMENT SYSTEM – COMMUNICATIONS GUIDE
FORMAT CODES CHAPTER 2: RS485 INTERFACE (MODBUS RTU)
20 T
21 U
22 V
23 W
24 X
25 Y
26 Z
F17 32 bits UNSIGNED LONG VALUE, 3 DECIMAL PLACES
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Example: 123456 stored as 123456
i.e. 1st word: 0001 hex, 2nd word: E240 hex
F18
32 bits DATE MM/DD/YYYY
1st byte Month 1 to 12
2nd byte Day 1 to 31
3rd and 4th byte Year 2000 to 2099
Example: Feb 20, 1995 stored as 34867142
i.e. 1st word: 0214, 2nd word 07CB
F19
32 bits TIME HH:MM:SS:hh
1st byte Hundredths of seconds 0 to 99
2nd byte Seconds 0 to 59
3rd byte Minutes 0 to 59
4th byte Hours 0 to 23
Example: 2:05pm stored as 235208704
i.e. 1st word: 0E05, 2nd word 0000
F20
32 bits 2’s COMPLEMENT SIGNED LONG VALUE
1st 16 bits High Order Word of Long Value
2nd 16 bits Low Order Word of Long Value
Note: -1 means “Never”
F22
16 bits TWO 8-BIT CHARACTERS PACKED INTO 16-BIT
UNSIGNED
MSB First Character
LSB Second Character
Example: String ‘AB’ stored as 4142 hex
FC101
16 bits RS 485 Baud Rate
0 9600 baud
1 19200 baud
2 38400 baud
3 57600 baud
4 115200 baud
FC105 16 bits CT Type
0 None
1 1 A Secondary
2 5 A Secondary
3 Direct Connect
FC107 16 bits Supply Frequency
0 60
Code Type Definition