Siemens SINAMICS G120 Operating Instructions Manual page 426

Low voltage converter with the cu240b-2 and cu240e-2 control units
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Technical data
10.2 Technical data, CU240E-2 Control Unit
Feature
Digital outputs
Analog outputs
Temperature sensor
Fail-safe digital input
PFH
USB interface
Dimensions (WxHxD)
Weight
Memory cards
Operating temperature
426
Data
3 (DO 0 ... DO 2)
For applications which require UL certification, the voltage at DO 0 must not exceed 30 VDC
referred to ground potential and must be supplied via a grounded class 2 power supply.
2 (AO 0, AO 1)
PTC
KTY84
PT1000
Temperature switch with isolated contact.
1 (DI 4 and DI 5)
Extended safety function data be found in the "Safety Integrated" function manual.
Overview of the manuals (Page 507)
5 × 10E-8
Probability of failure of the safety functions (Probability of Failure per
Hour)
Mini-B
73 mm × 199 mm × 39 mm
0.49 kg
Slot for SD or MMC memory cards,
Overview of Control Units (Page 29)
-10° C ... 55° C
CU240E-2, CU240E-2 F, CU240E-2 DP, CU240E-2 DP-F
Without inserted Operator Panel
-10° C ... 53° C
CU240E-2 PN, CU240E-2 PN-F
Without inserted Operator Panel
DO 0: Relay output, 30 VDC / max. 0.5 A with resistive load
DO 1: Transistor output, 30 VDC / max. 0.5 A with resistive load,
protection against incorrect voltage polarity.
DO 2: Relay output, 30 VDC / max. 0.5 A with resistive load.
2 ms update time
0 V ... 10 V or 0 mA ... 20 mA
Reference potential: "GND"
16-bit resolution
4 ms update time
Short-circuit monitoring 22 Ω
Switching threshold 1650 Ω
Short-circuit monitoring < 50 Ω
Wire-break > 2120 Ω
Short-circuit monitoring < 603 Ω
Wire-break > 2120 Ω
If you have enabled the basic functions of the safety functions, DI 4
and DI 5 form the fail-safe digital input.
Maximum input voltage 30 V, 5.5 mA
Response time:
Typical: 5 ms + debounce time p9651
Typical, if debounce time = 0: 6 ms
Worst-case scenario: 15 ms + debounce time
Worst case, if debounce time = 0: 16 ms
The depth specification is valid when mounting on the Power
Module.
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2016, FW V4.7 SP6, A5E34259001B AC

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