Lenze I/O system 1000 System Manual - Manual (Page 628)

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Setting the parameters of analog I/O
4 analog inputs 0 ... 10 V (12 bits) − EPM−S401
12
l
628 EDSIO1000 EN 7.0
12.6.2 4 analog inputs 0 ... 10 V (12 bits) − EPM−S401
Parameter data
During the execution time you can access the parameter data via the following data sets:
Data set Name Description/value Lenze
No. Byte
128 0 Function channel 1
16 (10
h
): 0 ... 10 V / 0 ... 27648
dec
32 (20
h
): 0 ... 10 V / 0 ... 16384
dec
255 (FF
h
): channel deactivated
10
h
129 0 Function channel 2 10
h
130 0 Function channel 3 10
h
131 0 Function channel 4 10
h
With the formulas listed in the following you can convert a digital value into an analog
output value and vice versa.
Measuring range Voltage (U) Decimal (D) Hex Range Conversion
(Fct. no.) [V]
0 ... 10 V
(10
h
)
11.76 32511 7EFF Overflow
U = D * 10 / 27648
D = 27648 * U / 10
10 27648 6C00
Nominal range 5 13824 3600
0 0 0000
Not possible, is limited to 0 V Underflow
0 ... 10 V
(20
h
)
12.5 20480 5000 Overflow
U = D * 10 / 16384
D = 16384 * U / 10
10 16384 4000
Nominal range 5 8192 2000
0 0 0000
Not possible, is limited to 0 V Underflow