Siemens SINUMERIK 840Di Manual page 111
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Also See for SINUMERIK 840Di:
- Function manual (2050 pages) ,
- Diagnostic manual (880 pages) ,
- System overview (55 pages)
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06.03
Siemens AG, 2003. All rights reserved
SINUMERIK 840Di Manual (HBI) – 06.03 Edition
2.13 ADI4 (analog drive interface for 4 axes) (SW 09.01 and higher)
S
Maximum cable lengths
The max. cable length depends on the following parameters:
encoder power supply
1st
Supply voltage 5VDC
Tolerance
consumption
4.75V – 5.25V
4.75V – 5.25V
Supply voltage 24VDC
Tolerance
consumption
20.4V – 28.8V
11V – 30V
2nd transmission frequency
Encoder type
Supply voltage
incremental (TTL)
(
)
absolute (SSI)
(
)
Note
If cable lengths longer than 25m or 35m are required with incremental encod-
ers, you can use encoder types with a supply voltage of +24VDC instead.
Caution
To ensure error-free transmission of encoder data, do not exceed the max.
cable lengths shown in the table.
S
Specification of the encoder supply voltages
Table 2-30
Specification of the encoder supply voltages
Voltage
minimum
nominal
max.
Ripple
max.
Current load
per encoder connection
max.
1) P5MS:
Supply voltage for encoders (+5VDC)
P24SSI:
Supply voltage for encoders (+24VDC)
Power
x300 mA
x220 mA
Power
x300 mA
x300 mA
Frequency
5V
1MHz
500kHz
24V
500kHz
24V
1.5 Mbps
187.5 Kbps
:
Supply voltage
P5MS
5.1V
5V
5.3V
3.6Vpp
1.35A
2 Hardware Descriptions
Max. cable length
25m
35m
Max. cable length
100m
300m
Max. cable length
10m
35m
150m
10m
250m
1)
P24SSI
20.4V
24V
28.8V
0.3A
1A
2-111
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