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Raspberry Pi IO Card for Building Automation

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1
2-3
4-9
10+

DESCRIPTION

SPECIFICATIONS

PINOUT

DOWNLOADS

VIDEO

DESCRIPTION

Raspberry Pi industrial expansion card packed with IO features:

    Four 0-10V Inputs

    Eight 0-10V Outputs

    Four 10K Temperature Sensor Inputs

    Four Optically Isolated Digital Inputs

    Four Optically Isolated Open Drain Outputs with PWM

    Four Optically Isolated 10A/250V Relays with status LEDs

    Four General Purpose LEDs

    RS485, CAN, 1 Wire communication

    Real Time Clock with Supercap Backup

    Status LEDs on all Digital Inputs and Outputs

    Configurable Interrupts

    Command Line, Python, CODESYS drivers

    Package includes 18mm stand-offs, screws and nuts

    All analog inputs have 12 bit resolution and are calibrated to better than 0.2% accuracy


SPECIFICATIONS


MICROCONTROLLER: STM32F072R8T6

    32-bit Cortex CPU

    Operating voltage: 3.3V

    CPU frequency: 16 MHz

    Max. input voltage on any pin: 3.6V

    Output Low Level Voltage on I/O pins: Max. 0.45V

    Output High Level Voltage on I/O pins: Min. 2.6V

0-10V INPUTS:

    TVS Protection: SMAJ18A

    TVS Clamping Voltage: 29.2V

    Maximum Input Voltage: 12V

    Input Impedance: 100Kohm +/- 20%

OPEN DRAIN OUTPUTS:

    Maximum Current: 1.6A

    Maximum Voltage: 60V

OPTO-ISOLATED INPUTS & OUTPUTS

    Transceiver: ELD207

RELAYS: SRD-05VDC-SL-C

    Max current/voltage: 10A/250V

POWER REQUIREMENTS:

    100 mA @ +24V (all relays off)

    200 mA @ 24V (all relays on)


CONNECTOR PINOUT
0-10V INPUTS
0-10V OUTPUTS

1

 GND

2

 0-10V INPUT1

3

 GND

4

 0-10V INPUT2

5

 0-10V INPUT3

6

 0-10V INPUT4

7

 GND

8

 +24VDC

1

 0-10V OUTPUT1

2

 GND

3

 0-10V OUTPUT2

4

 GND

5

 0-10V OUTPUT3

6

 GND

7

 0-10V OUTPUT4

8

 GND

4-20mA INPUTS
4-20mA OUTPUTS

1

 4-20mA INPUT1+

2

 4-20mA INPUT1-

3

 4-20mA INPUT2+

4

 4-20mA INPUT2-

5

 4-20mA INPUT3+

6

 4-20mA INPUT3-

7

 4-20mA INPUT4+

8

 4-20mA INPUT4-

1

 4-20mA OUTPUT1+

2

 4-20mA OUTPUT1-

3

 4-20mA OUTPUT2+

4

 4-20mA OUTPUT2-

5

 4-20mA OUTPUT3+

6

 4-20mA OUTPUT3-

7

 4-20mA OUTPUT4+

8

 4-20mA OUTPUT4-

DIGITAL INPUTS
DIGITAL OUTPUTS

1

 V-EXT1

2

 OPTO-IN1

3

 V-EXT2

4

 OPTO-IN2

5

 V-EXT3

6

 OPTO-IN3

7
id=buton_order

 V-EXT4

8

 OPTO-IN4

1

 GND

2

 OPEN DRAIN OUT1

3

 GND

4

 OPEN DRAIN OUT2

5

 GND

6

 OPEN DRAIN OUT3

7

 GND

8

 OPEN DRAIN OUT4

COMMUNICATION
RELAY TERMINAL BLOCKS

PIN

 SIGNAL

1

 RS485A

2

 RS485B

3

 CANH

4

 CANL

5

 GND

6

 1-WIRE

N-O
COMM
N-C

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