CU305 Control Unit

Current requirement

At 24 V DC, max.
without taking account of digital outputs and DRIVE-CLiQ supply

0.8 A for CU305 incl. 350 mA for HTL encoder + 0.5 A for PM240?2 Power Module

Conductor cross-section, max.

2.5 mm²

Fuse protection, max.

20 A

Digital inputs

in accordance with IEC 61131?2 Type 1

3 isolated fail-safe inputs

5 isolated digital inputs

• Voltage

-3 ... +30 V

• Low level (an open digital input is interpreted as "low")

-3 ... +5 V

• High level

15 ... 30 V

• Current consumption at 24 V DC, typ.

6 mA

• Delay time of digital inputs ¹⁾, approx.

• L → H

15 μs

• H → L

55 μs

• Delay time of high-speed digital inputs ¹⁾, approx. 
  (high-speed digital inputs can be used for position detection)

• L → H

5 μs

• H → L

5 μs

• Conductor cross-section, max.

1.5 mm²

Digital outputs

(continuously short-circuit-proof)

1 fail-safe digital output

4 bidirectional digital inputs/digital outputs, not isolated

• Voltage

24 V DC

• Load current per digital output ²⁾, max.

100 mA

• Delay time ¹⁾, approx.

150 μs

• Conductor cross-section, max.

1.5 mm²

Analog input

-10 ... +10 V
Resolution 12 bits + sign

• Internal resistance

15 kΩ

Encoder evaluation

• Incremental encoder TTL/HTL
• SSI encoder without incremental signals

• Encoder supply

24 V DC/0.35 A or 5 V DC/0.35 A

• Input current range TTL/HTL

2 ... 10 mA (typ. 5 mA)

• Encoder frequency, max.

500 kHz

• SSI baud rate

100 ... 250 kBaud
depending on cable length

• Resolution absolute position SSI

30 bit

• Cable length, max.

• TTL encoder

100 m (328 ft)

(only bipolar signals permitted) ³⁾

• HTL encoder

100 m (328 ft) for unipolar signals

300 m (984 ft) for bipolar signals ³⁾

• SSI encoder

100 m (328 ft)

Power loss

<20 W

PE connection

M5 screw

Dimensions

• Width

73 mm (2.87 in)

• Height

• CU305 PN

195 mm (7.68 in)

• CU305 DP

183.2 mm (7.21 in)

• Depth

• CU305 PN

71 mm (2.80 in)

• CU305 DP

55 mm (2.17 in)

Weight, approx.

0.95 kg (2.09 lb)

Certificate of suitability

cULus