Thytronic DMC3S - Input Circuits; Auxiliary Circuit Power U Aux; Amperometric Phase Inputs; Residual Current Amperometric Inlet

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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)