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 kΩ·m
Table 8 - Properties Water Cooling
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