GMBHR168 Datasheet, PDF (40/70 Pages) List of Unclassifed Manufacturers – Mini BLOCK Housing 16 opto inputs, 8 Relay outputs

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ITALIAN TECHNOLOGY
POWER SUPPLY
GMB HR168 is provided with an efficent circuitery that solves in a comfortable and efficent way
the problem to supply the card in any condition of use.
Here follow the volages required by the card:
+V opto:
Provides power supply to optocouplers of board input section; input voltage must be in
the range 9÷28 Vdc ± 5% or 9÷23Vac ± 5% and must be provided on connector CN5
through pins 1 and 2, connecting pin 2 to the positive terminal of external power supply
and pin 1 to its ground terminal, if it is direct voltage.
Vac, +Vdc pow, GND:
Provide power supply to control logic and to output section of
the board through the on board switching power supply; input voltage must be in the
range 10÷38Vdc ± 5% or 8÷23Vac ± 5% and must be provided though puns 3 and 4 of
CN5 (in case of Vdc, pin 4 must be connected to positive terminal). This allows to supply
the cards using standard devices of industrial sector like transfrmers, batteries, solar
cells, etc. If external loads must be supplied, a +5 Vdc voltage can be fetched from pins
1 and 7 of CN6, CN7 or pins 1 and 4 of CN8. Please remark that on board switching power
supply is provided with single diode rectifier, so in case of Vdc supply, all ground signals
(GND) of the card are at the same potential.
To warrant highest immunity against noise and so a correct working of the cards, it is essential that
these two voltages are galvanically isolated
In order to obtain this power supply EXPS-2 can be ordered.
This device performs galvanic isolation starting from mains power supply.
GMB HR168 features a TransZorb™-based protection circuit to avoid damages from incorrect
tensions and break-down of power supply section.
On board power supply is visualized through a LED on the bottom left corner.
Current available to supply external loads using +5 Vdc is less than:
1000 mA - current absorbed by GMB HR168 - current absorbed by hardware on ZC1
for example, in case of Mini Module GMM 5115:
1000 mA - 542 mA - 49 mA = 409 mA.
For further information please refer to paragraph “ELECTRIC FEATURES”.
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GMB HR168 Rel. 5.00