
Chapter
11
Operating Instructions
UE 440/470
92
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8 010 432/P097/14-03-05
Technical data
Minimum
Typical
Maximum
Switching sequence
Depending on load inductance
Load inductance
2.2 H
Test pulse width
120
µ
s
150
µ
s
300
µ
s
Test pulse rate
3
1
/s
4
1
/s
10
1
/s
Signal outputs O1.0 to O1.2
Output voltage HIGH
Uv –3.5V
Uv
Output current HIGH
100 mA
Internal resistance to 0 V
(switched off)
3.7 k
'
Current limit
300 mA
500 mA
Output voltage LOW
0 V
0 V
3 V
Signal output O1.3
Output voltage HIGH
U
V
–3.5 V
U
V
Output current HIGH
275 mA
Current limit
300 mA
500 mA
Internal resistance to 0 V
(switched off)
3.7 k
'
Minimum current
(undervoltage detection)
20 mA
Output voltage LOW
0 V
0 V
3 V
Configuration and
diagnostics interface
Communication protocol
RS-232 (proprietary)
Transfer speed
9600 baud
19200 baud
38400 baud
57600 baud
Cable length for 9000 kbps and
0.25 mm² cables
15 m
Galvanized decoupling
No
9
) The maximum rated load inductance is higher with lower switching sequence.
10
) When active, the outputs are tested cyclically (brief LOW). When selecting the downstream controllers, make
sure that the test pulses do not result in deactivation when using the above parameters.