CS-I User and Maintenance, R.2.8 ENG
Safco Systems Ltd-Via Isonzo 17/b-20090 Cesano Boscone-Milan-Italy
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13.1.4
Analog signals IN – OUT
Rogowski (input)
Secondary current Range
Ring Gain
150mV/KA @ 50Hz
±100 KA
MIN
MAX
Frequency
10 Hz
5000 Hz
Maximum Range
-20 V
30 V
VSEC (input)
MIN
MAX
Maximum Range
-13 V
13 V
Frequency 0
5000
Hz
Proportional Valve (output)
Type
Voltage Output
MIN
MAX
Maximum Range
0
10
Maximum voltage fault
12 V
Current
80
mA
Table 4 Analog signals
13.1.5
Protections
Primary short circuit
Hardware Protection; (Intervention in 1,5 µs with Signaling)
Supply voltage out of range on the
internal DC link
(
≤
380 V)
(
≥
700 V)
Permitted on the heatsink over
temperature
Signaling values for
≥
70°C (Water machines)
o
≥
75°C ( Air machines)
Overload internal power supply
Hardware Protection
Short circuit the digital outputs
Hardware Protection with Signaling
Table 5 – Protections
13.1.6
Mechanical and environmental
Framework Aluzinc
Protection degree
IP20
Overall external dimensions
305 × 415 × 210 mm
Weight
15kg
Air temperature
0 ÷ 40 °C
RH
90 % no condensing
Table 6 - Mechanical and environmental
13.1.7
Cooling
Water; flow min. 4 l/min; T water 20 ÷ 40 °C
Table 7 – Cooling
PH
7,0 ÷ 9,0
Hardness G.F.
<
10
Maximum chlorine content
20 PPM
Maximum content of sulphate
100 PPM
Maximum nitrate content
10 PPM
Maximum solids content
200 PPM
Maximum content of calcium carbonate
50 PPM
Resistivity at 25 °C
> 5 k
Ω
·m
Table 8 - Properties Water Cooling