Unless clearly specified otherwise, the following technical data are valid for all the following components of the liquid-cooled SINAMICS S120 drive system in the chassis format.
Electrical specifications
Rated voltages
380 ... 480 V 3 AC ±10 % (-15 % <1 min)
500 ... 690 V 3 AC ±10 % (-15 % <1 min)
Line supply types
Grounded TN/TT systems and non-grounded IT systems
Line frequency
47 ... 63 Hz
Overvoltage category
III to EN 61800?5?1
Electronics power supply
24 V DC, -15 % +20 % implemented as PELV circuit in accordance with EN 61800-5-1 Ground = negative pole grounded via the electronics
Rated short-circuit current
per IEC, in conjunction with the specified fuses or circuit breakers
1.1 ... 447 kW
65 kA
448 ... 671 kW
84 kA
672 ... 1193 kW
170 kA
> 1194 kW
200 kA
Rated short-circuit current SCCR (Short Circuit Current Rating)
according to UL508C (up to 600 V), in conjunction with the specified fuses or circuit breakers
1.1 ... 447 kW
65 kA
448 ... 671 kW
84 kA
672 ... 1193 kW
170 kA
> 1194 kW
200 kA
Control method
Vector/Servo control with and without encoder or V/f control
Fixed speeds
15 fixed speeds plus 1 minimum speed, parameterizable (in the default setting, 3 fixed setpoints plus 1 minimum speed are selectable using terminal block/PROFIBUS/PROFINET)
Skippable speed ranges
4, parameterizable
Setpoint resolution
0.001 rpm digital (14 bits + sign) 12 bits analog
Braking operation
With Active Line Modules, four-quadrant operation as standard (energy recovery).
With Basic Line Modules, two-quadrant operation as standard, braking by means of an optional braking chopper, or alternatively by a Motor Module.
Mechanical specifications
Degree of protection
IP00 (IP20, without taking into account the connecting busbars)
Protection class
I acc. to EN 61800?5?1
Touch protection
EN 50274/DGUV regulation 3 when used as intended
Cooling method
Liquid cooling with integrated heat exchanger in aluminum or stainless steel version
Ambient conditions
Storage 1)
Transport 1)
Operation
Ambient temperature (air)
-25 ... +55 °C (-13 ... +131 °F)
Class 1K4 acc. to EN 60721?3?1
-25 ... +70 °C (-13 ... +158 °F)
Class 2K4 acc. to EN 60721?3?2
Line-side components, Power Modules, Line Modules and Motor Modules: 0 ... 45 °C (32 ... 113 °F)without derating >45 ... 50 °C (113 ... 122 °F) see derating characteristics
Control Units, supplementary system components, and Sensor Modules: 0 ... 55 °C (32 ... 131 °F) (for operation in a control cabinet)
DC link components and motor-side components: 0 ... 55 °C (32 ... 131 °F)
Relative humidity
Condensation, splashwater, and ice formation not permitted (EN 60204, Part 1)
5 ... 95 %
Class 1K4 acc. to EN 60721?3?1
Max. 95 % at 40 °C (104 °F)
Class 2K4 acc. to EN 60721?3?2
5 ... 95 %
Class 3K3 acc. to EN 60721?3?3
Environmental class/harmful chemical substances
Class 1C2 acc. to EN 60721?3?1
Class 2C2 acc. to EN 60721?3?2
Class 3C2 acc. to EN 60721?3?3
Organic/biological influences
Class 1B1 acc. to EN 60721?3?1
Class 2B1 acc. to EN 60721?3?2
Class 3B1 acc. to EN 60721?3?3
Degree of pollution
2 acc. to IEC/EN 61800?5?1
Installation altitude
Up to 2000 m (6562 ft) above sea level without derating, > 2000 m (6562 ft) above sea level, refer to the derating data
Test values acc. to EN 60068?2?27 test Ea: 98 m/s2 (10 ? g)/20 ms
Compliance with standards
Certificates of suitability
CE (EMC Directive No. 2014/30/EU, Low Voltage Directive No. 2014/35/EU and Machinery Directive 2006/42/EC for functional safety) RCM cULus (only for devices connected to line supply voltages 380 ... 480 V 3 AC and 500 ... 600 V 3 AC)
Electromagnetic compatibility
Built-in units SINAMICS S120 chassis format can be operated in the second environment, Category C3/C2 according to EMC product standard EN 61800?3.
For further information, see section Tools and configuring.
1) In transport packaging.
Deviations from the specified class are underlined.
Cooling circuit and coolant quality
The following tables and sections describe the quality requirements of the coolant used in the liquid-cooled SINAMICS S120 drive system in chassis format.
Cooling circuit
System pressure with reference to atmospheric pressure, max.
600 kPa
Pressure drop at rated volumetric flow
70 kPa
Recommended pressure range
80 ... 200 kPa
Inlet temperature of liquid coolant
Dependent on ambient temperature, no condensation permitted
0 ... 45° C (32 ... 113 °F) without derating
>45 … 50 °C (113 ... 122 °F), see derating data
Anti-freeze essential for temperature range between 0 °C (32 °F) and 5 °C (41 °F)
Coolant quality
Coolant basis for aluminum heat sinks
Distilled, demineralized, completely desalinated water or deionized water with reduced electrical conductivity ISO 3696, quality 3 or based on IEC 60993
Electrical conductivity
<30 ?S/cm (3 mS/m)
pH value
5 ... 8
Components that can be oxidized as oxygen content
< 30 mg/l
Residue after vaporization and drying at 110 °C
<10 mg/kg
Coolant basis for stainless steel heat sinks
Filtered drinking water
Electrical conductivity
<2000 ?S/cm
pH value
6.5 ... 9
Chloride ions
<200 mg/l
Sulfate ions
<240 mg/l
Nitrate ions
< 50 mg/l
Total hardness
< 1.7 mmol/l
Dissolved substances
< 340 mg/l
Size of entrained particles
< 100 ?m
The coolant definition specified here should only be considered as recommendation. For units that have been shipped, the information and data provided in the equipment manual supplied should be observed!
Antifreeze and inhibitors
Antifreeze
Antifrogen N
Antifrogen L
DOWCAL 100
Manufacturer
Clariant
Clariant
DOW
Chemical base
Ethylene glycol
Propylene glycol
Ethylene glycol
Minimum concentration
20 %
25 %
20 %
Anti-freeze agent with minimum concentration
-10 °C
-10 °C
-10 °C
Maximum concentration
45 %
48 %
44 %
Anti-freeze agent with maximum concentration
-30 °C
-30 °C
-30 °C
Inhibitor content
Contains inhibitors with nitrites
Contains inhibitors that are free of nitrates, amines, borates and phosphates
Contains inhibitors that are free of nitrates, amines and phosphates
Biocide action with a concentration of
> 20 %
> 30 %
> 20 %
Biocides prevent corrosion that is caused by slime-forming, corrosive or iron-depositing bacteria. These can occur in closed cooling circuits with low water hardness and in open cooling circuits. Biocides must always be selected according to the relevant bacterial risks. Compatibility with inhibitors or antifreeze used with them must be checked on a case-by-case basis.
Inhibitors
Antifrogen N
ANTICORIT S 2000 A
Manufacturer
Clariant
Fuchs
Chemical base
Ethylene glycol
–
Minimum concentration
20 %
4 %
Maximum concentration
45 %
5 %
Recommended service
The manufacturer of the antifreeze/inhibitor should analyze the coolant at least once per annum. The concentration and boundary conditions of the antifreeze/inhibitor should be checked. It may be necessary to correct the concentration on the plant side.
Protection against condensation
With liquid-cooled units, warm air can condense on the cold surfaces of heat sinks, pipes and hoses. This condensation depends on the air humidity and the temperature difference between the ambient air and the coolant.
The water which is produced as a result of condensation can cause corrosion as well as electrical damage such as creepage shorts and flashovers. As the SINAMICS units cannot prevent condensation if it is caused by the prevailing climatic conditions, any potential risk of condensation must be prevented by appropriate engineering or by precautionary measures implemented by the customer. These measures include the following:
a fixed coolant temperature that has been adjusted to the expected air humidity or ambient temperature ensures that critical differences between the coolant and ambient air temperatures do not develop or
temperature regulation of the coolant as a function of the ambient air temperature
The temperature at which water vapor contained in the air condenses into water is known as the dew point. To prevent condensation reliably, the coolant temperature must always be higher than the dew point.
The table below specifies the dew point as a function of room temperature T and relative air humidity ? for an atmospheric pressure of 100 kPa (1 bar). This corresponds to an installation altitude of 0 up to approximately 500 m (1640 ft) above sea level. Since the dew point drops as the air pressure decreases, the dew point values at higher installation altitudes are lower than the specified table values. It is therefore the safest approach to engineer the coolant temperature according to the values in the table for an installation altitude of zero.
Ambient temperature
Relative air humidity ?
T
20 %
30 %
40 %
50 %
60 %
70 %
80 %
85 %
90 %
95 %
100 %
10 °C (50 °F)
<0 °C (32 °F)
<0 °C (32 °F)
<0 °C (32 °F)
0.2 °C (32.4 °F)
2.7 °C (36.9 °F)
4.8 °C (40.6 °F)
6.7 °C (44.1 °F)
7.6 °C (45.7 °F)
8.4 °C (47.1 °F)
9.2 °C (48.6 °F)
10 °C (50 °F)
20 °C (68 °F)
<0 °C (32 °F)
2 °C (35.6 °F)
6 °C (42.8 °F)
9.3 °C (48.7 °F)
12 °C (53.6 °F)
14.3 °C (57.7 °F)
16.4 °C (61.5 °F)
17.4 °C (63.3 °F)
18.3 °C (64.9 °F)
19.1 °C (66.4 °F)
20 °C (68 °F)
25 °C (77 °F)
0.6 °C (33.1 °F)
6.3 °C (43.3 °F)
10.5 °C (50.9 °F)
13.8 °C (56.8 °F)
16.7 °C (62.1 °F)
19.1 °C (66.4 °F)
21.2 °C (70.2 °F)
22.2 °C (72 °F)
23.2 °C (73.8 °F)
24.1 °C (75.4 °F)
24.9 °C (76.8 °F)
30 °C (86 °F)
4.7 °C (40.5 °F)
10.5 °C (50.9 °F)
14.9 °C (58.8 °F)
18.4 °C (65.1 °F)
21.3 °C (70.3 °F)
23.8 °C (74.8 °F)
26.1 °C (79 °F)
27.1 °C (80.8 °F)
28.1 °C (82.6 °F)
29 °C (84.2 °F)
29.9 °C (85.8 °F)
35 °C (95 °F)
8.7 °C (47.7 °F)
14.8 °C (58.6 °F)
19.3 °C (66.7 °F)
22.9 °C (73.2 °F)
26 °C (78.8 °F)
28.6 °C (83.5 °F)
30.9 °C (87.6 °F)
32 °C (89.6 °F)
33 °C (91.4 °F)
34 °C (93.2 °F)
34.9 °C (94.8 °F)
40 °C (104 °F)
12.8 °C (55 °F)
19.1 °C (66.4 °F)
23.7 °C (74.7 °F)
27.5 °C (81.5 °F)
30.6 °C (87.1 °F)
33.4 °C (92.1 °F)
35.8 °C (96.4 °F)
36.9 °C (98.4 °F)
37.9 °C (100.2 °F)
38.9 °C (102 °F)
39.9 °C (103.8 °F)
45 °C (113 °F)
16.8 °C (62.2 °F)
23.3 °C (73.9 °F)
28.2 °C (82.8 °F)
32 °C (89.6 °F)
35.3 °C (95.5 °F)
38.1 °C (101.6 °F)
40.6 °C (105.1 °F)
41.8 °C (107.2 °F)
42.9 °C (109.2 °F)
43.9 °C (111 °F)
44.9 °C (112.8 °F)
50 °C (122 °F)
20.8 °C (69.4 °F)
27.5 °C (81.5 °F)
32.6 °C (90.7 °F)
36.6 °C (97.9 °F)
40 °C (104 °F)
42.9 °C (109.2 °F)
45.5 °C (113.9 °F)
46.6 °C (115.9 °F)
47.8 °C (118 °F)
48.9 °C (120 °F)
49.9 °C (121.8 °F)
A detailed description of the cooling circuits and the recommended coolant is given in the SINAMICS Low Voltage Engineering Manual.
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