Converter with control units CU250D-2
Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
345
Performance ratings Control Unit
Performance ratings
Table 11- 1 Control Unit performance ratings
24 V power supply IN External supply 24 V DC (20.4 V … 28.8 V) via X01 connector.
Use a power supply with PELV (PELV= Protective Extra Low Voltage
according EN 61800-5-1), Class 2.
The
0 V of the power supply must be connected with low resistance to the
PE of the system.
Maximum current consumption of unswitched power supply 1L+
(supplies control unit, encoder and fan)
1.2 A
Maximum current consumption of switched power supply 2L+
(supplies the two digital outputs)
1 A
Maximum load of the X01 connector (due to daisy chaining)
The converter is fully protected against reverse voltage
The converter is fully protected against short circuit
Digital inputs 6 programmable digital inputs; PNP, SIMATIC-compatible, low < 5 V, high
> 10 V, maximum input voltage 30 V
Pulse inputs DI 1 (X07.2)
Maximum frequency 32 kHz
Digital outputs 2 programmable, 24 V DC / 0 A …0.5 A (resistive). The maximum current
output is 0.5 A in total when using both or a single digital output.
Update time of all DO: 2 ms
Encoder interfaces
• HTL bipolar, ≤ 2048 pulses, ≤ 100 mA,
e. g. SIEMENS encoders 1XP8001-1, 1XP80X2-1X.
• SSI interface, ≤ 250 mA. See also Encoders examples (Page 53).
• Max. cable length: 30 m shielded
Temperature sensor
• PTC: Short-circuit monitoring 22 Ω, switching threshold 1650 Ω
• KTY84
• Temperature sensor with dry contact
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