Siemens SINUMERIK 840Di Manual page 98

2 Hardware Descriptions
2.12 I/O Module PP72/48
2-98
For specification of the external power supply, see Subsection 2.12.3,
page 2-101.
S
Connecting cable: The required connecting cables (ribbon cables) must be
provided by the user
S
Electrical specification of the digital inputs:
Table 2-20 Electrical specification of the digital inputs
Digital outputs
Voltage at high level (V
hi)
Input current I at VU
IN hi
Voltage at low level (V
lo)
2)
Signal delay time T
PHL
S
Power supply of the digital inputs
1) typical output voltage:
V :
CC
Max. output current I
OUT
Max. short-circuit current:
Internal resistance R :
ON
S
2)
Moreover, the PROFIBUS communication time and the application cycle time must
be taken into account.
S
Polarity reversal causes neither high level nor destruction of the inputs.
min. typical
15V
2mA
–30V
0.5msec
<R
V – I
CC OUT ON
Current operating voltage (P24OUT) at X111,
X222, X333: Pin 2
: 500mA per pin
4A (max. 100msec, V
0.4W
 Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
06.03
max. nominal
1)
30V 24V
– 15mA –
– +5V 0V
– 3msec –
= 24V)
CC