2/2
IN1
IN1 input line
IN2
IN2 input line
NC
RELx relay output (NC)
COM
RELx relay common terminal
NO
RELx relay output (NO)
* In older versions of the MCX2-BRD expander, terminals A and B may be
marked on the board respectively as IO1 and IO2.
Fig. 5 MCX8-BRD expander
Table 2. MCX8-BRD screw terminals
Screw terminal
Description
+12V
12VDC power supply
GND
Ground
A
RS485 bus, line A
B
RS485 bus, line B
NC
RELx relay output (NC)
COM
RELx relay common terminal
NO
RELx relay output (NO)
IN1..IN8
IN1..IN8 input line
Fig. 6 Connection of readers and expanders to MC16 access controller
Table 3. Specification
Supply voltage
Nominal 12VDC, min./max. range 10-15VDC
Current
consumption
(average)
30mA (when relays off)
Inputs
MCX2-BRD: Two (IN1, IN2)
MCX8-BRD: Eight (IN1..IN8)
parametric inputs internally connected to the
power supply plus (+12V) through a
15kΩ resistor,
approx. 3.5V triggering level when configured as
NO or NC.
Relay outputs
MCX2-BRD: Two relay outputs
REL1: 30VDC/1,5A
REL2: 30VDC/5A
MCX8-BRD: Eight relay outputs:
REL1..REL8: 30VDC/1.5A
Each with single NO/NC contacts.
Distances
Up to 1200 m between controller and expander
(RS485)
IP Code
IP20
Environmental
class
(according to EN 50133-1)
Class I, indoor general conditions, temperature:
+5°C to +40°C, relative humidity: 10 to 95% (no
condensation)
Dimensions W x S x G
MCX2-BRD:
80 x 54 x 20 mm
MCX8-BRD:
72 x 155 x 20 mm
Weight
MCX2-BRD:
50g
MCX8-BRD:
115g
Certificates
CE
This symbol placed on a product or packaging indicates that the
product should not be disposed of with other wastes as this may
have a negative impact on the environment and health. The user is
obliged to deliver equipment to the designated collection points of
electric and electronic waste. For detailed information on recycling,
contact your local authorities, waste disposal company or point of
purchase. Separate collection and recycling of this type of waste
contributes to the protection of the natural resources and is safe to
health and the environment. Weight of the equipment is specified in
the document.
Contact:
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Tel.: +48 55 272 0132
Fax: +48 55 272 0133
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