Electrical specifications

Operating voltage

24 V DC via the Power Module or by connecting to an external 20.4 ... 28.8 V DC power supply

Current consumption, max.

0.5 A

0.5 A

2 A

Protective insulation

PELV according to EN 50178
Protective separation from the line supply using double/reinforced insulation

Power loss, max.

5 W

5 W

12 W

Interfaces

Digital inputs – Standard

6 isolated inputs

6 isolated inputs

11 floating inputs

+4 switchable DI/DO, non-floating (DI can be used as high-speed inputs)

Optically isolated, free reference potential (own potential group), max. input current 5.5 mA

NPN/PNP logic can be selected using the wiring
Switching level: 0 в†’ 1: 11 V
Switching level: 1 в†’ 0: 5 V

Digital inputs – Fail-safe

–

1 (use of 2 Г— DI standard)

Max. 3 (use of 6 Г— DI Standard) for CU240E‑2 F, CU240E‑2 PN‑F and CU240E‑2 DP‑F

1 (use of 2 Г— DI standard)

Max. 3 (use of 6 Г— DI standard)

Digital outputs

2 relay changeover contacts
250 V AC, 2 A (inductive load),
30 V DC, 5 A (ohmic load)

The following applies to systems complying with UL: A maximum of 3 A, 30 V DC or 2 A, 250 V AC may be connected via terminals 18 / 20 (DO0 NC) and 23 / 25 (DO2 NC)

1 relay NO contact
30 V DC, 0.5 A (ohmic load)

1 transistor
30 V DC, 0.5 A (ohmic load)

2 relay changeover contact
30 V DC, 0.5 A (ohmic load)

3 relay changeover contact
30 V DC, 0.5 A (ohmic load)

Analog inputs – standard

2 differential inputs

2 differential inputs

2 differential inputs

Switchable using DIP switch between voltage and current:
-10 ... +10 V, 0/4 ... 20 mA, 12‑bit resolution (with CU250S‑2: 13-bit resolution)

The differential analog inputs can be configured as additional digital inputs.
Switching thresholds:
0 в†’ 1: Rated voltage 4 V
1 в†’ 0: Rated voltage 1.6 V

Analog inputs – switchable: Temperature sensor/current

1 non-isolated input,
switchable using DIP switch between current 0/4 ... 20 mA and temperature sensor, type Pt1000/LG‑Ni1000,
12-bit resolution

–

–

Analog inputs – temperature sensor

1 non-isolated input,
temperature sensor, type Pt1000/LG‑Ni1000,
12-bit resolution

–

–

Analog outputs

2 non-isolated outputs

2 non-isolated outputs

2 non-isolated outputs

Switchable between voltage and current using parameter setting:
0 ... 10 V, 0/4 ... 20 mA

Voltage mode: 10 V, min. burden 10 kО©
Current mode: 20 mA, max. burden 500 О©

The analog outputs have short-circuit protection

PTC/KTY interface

1 motor temperature sensor input,
sensors that can be connected PTC, KTY and bimetal,
accuracy ±5 °C

1 motor temperature sensor input,
sensors that can be connected PTC, KTY and bimetal,
accuracy ±5 °C

2 motor temperature sensor inputs,
sensors that can be connected PTC, KTY and bimetal,
accuracy ±5 °C

• 1 input via terminal 14/15
• 1 input via SUB-D encoder interface X2100

Removable terminal connector for I/O interface

–

вњ“ 

вњ“ 

Integrated bus interface

USS, Modbus RTU

RS485 connected at a terminal, isolated, bus terminating resistor can be switched in, slave address can be set using DIP switches

USS: max. 187.5 kBaud
Modbus RTU:19.2 kBaud

CU230P‑2 HVAC
6SL3243-0BB30-1HA3

CU240E‑2
6SL3244-0BB12-1BA1

CU240E‑2 F
6SL3244-0BB13-1BA1

CU250S‑2
6SL3246-0BA22-1BA0

BACnet MS/TP, FLN P1

RS485 connected to a terminal, isolated, bus terminating resistor can be switched in

Max. 187.5 kBaud

CU230P‑2 HVAC
6SL3243-0BB30-1HA3

–

–

PROFIBUS DP

- PROFIdrive profile

9-pin SUB-D socket, isolated, PROFIdrive profile V4.1, slave address can be set using DIP switches

Max. 12 Mbit/s

CU230P‑2 DP
6SL3243-0BB30-1PA3

CU240E‑2 DP
6SL3244-0BB12-1PA1
incl. PROFIsafe

CU240E‑2 DP‑F
6SL3244-0BB13-1PA1
incl. PROFIsafe

CU250S‑2 DP
6SL3246-0BA22-1PA0
incl. PROFIsafe

PROFINET

- PROFIdrive profile
- PROFIenergy profile

2 Г— RJ45, PROFIdrive profile V4.1, device name can be stored on the device

Max. 100 Mbit/s (full duplex)

CU230P‑2 PN
6SL3243-0BB30-1FA0

CU240E‑2 PN
6SL3244-0BB12-1FA0
incl. PROFIsafe

CU240E‑2 PN‑F
6SL3244-0BB13-1FA0
incl. PROFIsafe

CU250S‑2 PN
6SL3246-0BA22-1FA0
incl. PROFIsafe

EtherNet/IP

- ODVA AC drive
- SINAMICS profile

CU230P‑2 PN
6SL3243-0BB30-1FA0

CU240E‑2 PN
6SL3244-0BB12-1FA0
CU240E‑2 PN‑F
6SL3244-0BB13-1FA0

CU250S‑2 PN
6SL3246-0BA22-1FA0

CANopen

9-pin SUB-D connector, isolated, slave address can be set using DIP switches,
bus terminating resistor can be switched in

Max. 1 Mbit/s

–

–

CU250S‑2 CAN
6SL3246-0BA22-1CA0

Tool interfaces

Memory card

SINAMICS SD card

Operator panels

• IOP
  supported connection options between Control Unit and IOP:
  Can be directly plugged on, door mounting or handheld
• BOP‑2
  Supported connection options between Control Unit and BOP‑2:
  can be directly plugged on or door-mounted

PC interface

USB (connection via PC inverter connection kit 2)

Open-loop/closed-loop control techniques

V/f linear/square/parameterizable

вњ“ 

U/f with flux current control (FCC)

вњ“ 

V/f ECO; linear/square-law

вњ“ 

Vector control, sensorless

вњ“ 

Vector control, with sensor

–

–

вњ“ 

Torque control, sensorless

вњ“ 

Torque control, with sensor

–

–

вњ“ 

Software functions

Application macro

вњ“ 

Setpoint input, can be parameterized

вњ“ 

Fixed frequencies

16, parameterizable

JOG

вњ“ 

Digital motorized potentiometer (MOP)

вњ“ 

Ramp smoothing

вњ“ 

Extended ramp-function generator (with ramp smoothing OFF3)

вњ“ 

Slip compensation

вњ“ 

Signal interconnection with BICO technology

вњ“ 

Trace

вњ“ 

Energy-saving display

вњ“ 

Switchable drive data sets (DDS)

вњ“ (4)

Switchable command data sets (CDS)

вњ“ (4)

Free function blocks (FFB) for logical and arithmetic operations

вњ“ 

Technology controller (internal PID)

вњ“ 

3 additional, free PID controllers

вњ“ 

–

–

2-zone controller

вњ“ 

–

–

Flying restart

вњ“ 

Automatic restart after line supply failure or operating fault (AR)

вњ“ 

Hibernation mode with internal/external PID controller

вњ“ 

–

–

Belt monitoring with and without sensor (load torque monitoring)

вњ“ 

–

вњ“ 

Dry-running/overload protection monitoring (load torque monitoring)

вњ“ 

–

–

Thermal motor protection

вњ“ (I²t, sensor: PTC/KTY/bimetal)

Thermal inverter protection

вњ“ 

Motor identification

вњ“ 

Motor holding brake

–

вњ“ 

вњ“ 

Auto-ramping (V_dcmax controller)

вњ“ 

Kinetic buffering (V_dcmin controller)

вњ“ 

Braking functions for PM240/PM240‑2

• DC braking

вњ“ 

• Compound braking

вњ“ 

• Dynamic braking with integrated braking chopper and external braking resistor

вњ“ 

Braking functions for PM250

Regenerative feedback

вњ“ 

Mechanical specifications and ambient conditions

Degree of protection

IP20

Signal cable cross-section

• Min.

0.15 mm² (AWG28)

0.2 mm² (AWG24)

0.2 mm² (AWG24)

• Max.

1.5 mm² (AWG16)

1.5 mm² (AWG16)

1.5 mm² (AWG16)

Operating temperature

Derating of 3 K/1000 m applies to Control Units as of an installation altitude of 1000 m (3281 ft) above sea level.

-10 ... 60 °C (14 ... 140 °F)

For CU230P‑2 PN:
-10 ... 55 °C (14 ... 131 °F)

With IOP/BOP‑2:
0 ... 50 °C (32 ... 122 °F)

-10 ... 55 °C (14 ... 131 °F)

For CU240E‑2 PN and CU240E‑2 PN‑F:
-10 ... 53 °C (14 ... 127.4 °F)

With IOP/BOP‑2:
0 ... 50 °C (32 ... 122 °F)

-10 ... 50 °C (14 ... 122 °F)

With IOP/BOP‑2:
0 ... 50 °C (32 ... 122 °F)

Storage temperature

-40 ... +70 °C (-40 ... +158 °F)

Relative humidity

<95 % RH, condensation not permissible

Dimensions

• Width

73 mm (2.87 in)

73 mm (2.87 in)

73 mm (2.87 in)

• Height

199 mm (7.83 in)

199 mm (7.83 in)

199 mm (7.83 in)

• Depth

65.5 mm (2.58 in)

46 mm (1.81 in)

67 mm (2.64 in)

Weight, approx.

0.61 kg (1.34 lb)

0.49 kg (1.08 lb)

0.67 kg (1.48 lb)