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DMC3S - Manual - 08 - 2021
3.2
INPUT CIRCUITS
—
Auxiliary circuit power
U
aux
Voltage
• Nominal value (range)
110 V-
• Operating range
77...143 V- (± 30%)
• Maximum inrush current
10 A, 10 ms
• Ripple
10%
• Max power draw (3 relays excited and MMI active)
10 W
• Overload (1 s)
2
V
n
• Insensitivity to micro-interruptions Vaux 0V
50 ms
• Cooling
Natural ventilation
—
Amperometric phase inputs
Nominal phase current of relay
I
n
1A or 5A, set by software Permanent
overload 25
A
Thermal overload (1s)
250 A
Dynamic overload (0.01s)
800 A
Power draw (per phase)
≤
0.003 VA with
I
n
=1 A
Power draw (per phase)
≤
0.07 VA with
I
n
=5 A
—
Residual current amperometric inlet
Nominal residual current of relay
I
En
1A or 5A, set by software Permanent
overload 25
A
Thermal overload (1 s)
500 A
Dynamic overload (0.01 s)
800 A
Power draw
≤
0.003 VA with
I
En
=1 A
≤
0.07 VA with
I
En
=5 A
—
Voltmetric inputs
Nominal phase-to-phase voltage of relay
U
n
50...130 V (
U
R
= 100 V)
Nominal phase voltage of relay
E
n
=
U
n
/ √3
-
Permanent
overload
1.3
U
n
Thermal overload (1 s)
2
U
n
Power draw (per phase with
U
R
= 100 V)
≤ 0.2 VA
—
Residual voltage / Vsync voltage voltmetric input
Nominal residual voltage of relay
U
En
50...130 V (
U
ER
= 100 V)
Permanent
overload
1.3
U
En
Thermal overload (1 s)
2
U
En
Power draw (
U
ER
= 100 V)
≤ 0.2 VA
—
Digital inputs
Number of inputs:
• Input board (IN1-1...IN1-6)
6
• Control board (INC1...INC-5)
5
• External module DMRIS01 (DMRIS01-1, DMRIS01-12)
12
• External module DMRIS02 (DMRIS02-1, DMRIS02-12)
12
Type of circuit
optocoupler
Operational range
as Uaux
Minimum activation voltage
82.5 V
Reset voltage
66 V
Maximum current draw with excited input
3 mA
Timers associated with the logical inputs
• Acquisition delay OFF/ON (IN1-1
t
ON
, INx-x
t
ON
)
0.00...100.0 s
• Acquisition delay ON/OFF (IN1-1
t
OFF
, INx-x
t
OFF
)
0.00...100.0 s
Logic POSITIVE/NEGATIVE
3.3
OUTPUT CIRCUITS
—
Final electromechanical relays
Number 6
Type of contact (KS1-1...KS1-6)
closing (SPST-NO, type A)
Nominal current
5 A
Nominal voltage / maximum switchable voltage
250 V~/400 V~
Closing power (MAKE)
1000 W/VA
Minimum switchable load
300 mW (5 V/ 5 mA)
Mechanical service life
10
6
Electrical service life
10
5
Interrupting capacity:
• DC (L/R = 40 ms)
0.2 A
• AC (
l
= 0.4)
1250 VA
Minimum pulse duration
0....500 ms (step 5 ms)