-20,000 = B1E0 hex →
Example: Frequency Reference (S01) = 20,000 (= 100% = Maximum output frequency)
20,000 = 4E20 hex →
Data Format [35]: ROM Version
Setting range: 0 to 59,999
Example: ROM Version (M25) = 0064 hex
→ 0064 hex = 100
Data Format [37]: Floating Point Data (Load Shaft Speed, etc.)
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Exponent
part
Mantissa part
Exponent part: 0 to 3, Mantissa part: 1 to 9,999
V
alue represented in this format = Mantissa part × 10 to the power of (exponent part - 2)
Value Mantissa part Exponent part 10 to the power of (exponent part - 2)
0.01 to 99.99 1 to 9,999 0 0.01
100.0 to 999.9 1,000 to 9,999 1 0.1
1,000 to 9,999 1,000 to 9,999 2 1
10,000 to 99,990 1,000 to 9,999 3 10
Example: Rotate Speed Monitor (W08) = 99,990 r/min
99,990 = Mantissa part: 9,999 (270F hex), Exponent part: 3 = E70F hex →
Example: Rotate Speed Monitor (W08) = 9,999 r/min
9,999 = Mantissa part: 9,999 (270F hex), Exponent part: 2 = A70F hex →
Example: Rotate Speed Monitor (W08) = 9.999 r/min
999.9 = Mantissa part: 9,999 (270F hex), Exponent part: 1 = 670F hex →
Example: Rotate Speed Monitor (W08) = 99.99 r/min
99.99 = Mantissa part: 9,999 (270F hex), Exponent part: 0 = 270F hex →
Data Format [41]: Alarm History
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Number of consecutive occurrences
of the same alarm
Alarm code*1
*1
: For alarm codes, refer to “Data Format [10]: Alarm Code” in this section.
This gives the contents of the alarm that occurred and the number of consecutive occurrences of the
alarm.
8 Communications Functions
8-42
M1 Series Standard Type User's Manual (I669)
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