Siemens SICAM MIC, Описание системы

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System Components and Technical Data
SICAM RTUs, SICAM MIC System Description
49
MC6-054-2.00, Edition 07.2014
5.2 Power Supply Modules
5.2.1 PS-6630
Power supply
2 system voltage outputs
·
Environmental conditions according to EMC+
·
Parallel connectable for redundancy (not to increase power)
·
Potential-free fault output (with power supply failure relay
contact is opened)
·
Function indication via LED
Operating voltage 18…78 VDC (supplied via terminals)
Output voltage
system-internal
for external modem
1)
U1 5.15 VDC ±2%
U2 5.1…5.4 VDC switchable 9…10 VDC
2)
Output power P
U1
P
U1 min
8.0 W – 1.25 P
U2 max
P
U1 max
8.0 W (at P
U2
= 0 W)
Output power P
U2
P
U2 max
2.5 W
Output total power P
U1+U2 max
8.0 W
P
U1+U2 peak
9.0 W
Efficiency
h
U1
= P
U1
/P
in
approx. 65%
h
U2
= P
U2
/P
in
approx. 60%
Power consumption
P
in
= P
U1
/
h
U1
+ P
U2
/
h
U2
P
in max
12.3 W
P
in peak
13.8 W
Inrush peak current 8 A at 18 VDC 600 µs
40 A at 78 VDC 600 µs
Guaranteed interruption time
Reverse voltage protection Yes
Overload protection No
3)
Short-circuit protection No
3)
Fault output
max. switching voltage
max. output current
max. short-time current 350 VAC, VDC
120 mA permanent (on resistance 35
Ω
)
350 mA for 10 ms
Mechanics
Terminals Removable screw terminals for direct conductor assembly
cross-section up to 2.5 mm²
Dimensions 131 x 63 x 73 mm (L x W x H, dimensions w/o DIN rail)
Weight Approx. 200 g
1)
via DTR circuit of the serial interface of CP-6020
2)
switching to the higher voltage is induced exclusively by CP-6020/CPC60 and depends on its parameter
setting (without switching, only the lower voltage is available)
3)
internal fuse is blown (change by authorized personnel only)
10 20 30 40 50 60 70 80
90 100 110 120 130 140 150 160
1
2
3
4
5
6
7
8
Uin=24VDC
170 180
Uin=48VDC
0
T
u
[ms]
P
out
[W]
Uin=60VDC
Interruption Time (typ.)
Output Power