User manual

PD-1141 Hardware Manual (Rev. 1.02 / 2012-JUL-27) 18
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6 Operational Ratings
The operational ratings show the intended or the characteristic ranges and should be used as design
values.
In no case shall the maximum values be exceeded!
GENERAL OPERATIONAL RATINGS
Symbol
Parameter
Min
Typ
Max
Unit
VDD
Power supply voltage for operation
9
12… 24
28
V
I
COIL_peak
Motor coil current for sine wave peak
(chopper regulated, adjustable via software)
0
1.7
A
I
COIL_RMS
Continuous motor current (RMS)
0
1.1
A
I
DD
Power supply current
<< I
COIL
1.4 * I
COIL
A
T
ENV
Environment temperature at rated current (no
forced cooling required)
Tbd
40
°C
Table 6.1 General operational ratings of module
OPERATIONAL RATINGS OF MULTIPURPOSE I/OS
Symbol
Parameter
Min
Typ
Max
Unit
V
OUT_0/1
Voltage at open drain output
0
+VDD
V
I
OUT_0/1
Output sink current of open drain output
100
mA
V
IN_0/1/2
Input voltage for IN_0, IN_1, IN_2 (digital
inputs)
0
+VDD
V
V
IN_L 0/1/2
Low level voltage for IN_0, IN_1 and IN_2
0
1.2
V
V
IN_H 0/1/2
High level voltage for IN_0, IN_1 and IN_2
4
+VDD
V
V
AIN_1
Measurement range for analog input AIN_1
0
+10
V
Table 6.2 Operational ratings of multipurpose I/Os
OPERATIONAL RATINGS OF RS485 INTERFACE
Symbol
Parameter
Min
Typ
Max
Unit
N
RS485
Number of nodes connected to single RS485
network
256
Table 6.3: Operational ratings of RS485 interface