GMBHR168 Datasheet, PDF (19/70 Pages) List of Unclassifed Manufacturers – Mini BLOCK Housing 16 opto inputs, 8 Relay outputs

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CN8 - I²C BUS LINE CONNECTOR
CN8 is a 4 pins, male, vertical, strip connector with 2.54mm pitch.
On CN8 is available a standard interface for any I²C BUS peripheral device.
The connector features +5 Vdc supply voltage generated by on board switching power supply that
can be connected to external devices or systems.
Signals are TTL compliant, according to I²C BUS standard, their disposition has been designed to
reduce interferences and so easy the connection.
4
GND
3
MM PIN 13 , SDA
2
MM PIN 12 , SCL
1
+5 Vdc
FIGURE 3: CN8 - I²C BUS LINE CONNECTOR
Signals description:
SDA
SCL
MM PIN 12
MM PIN 13
+5 Vdc
GND
= I/O - Data signal of I²C BUS software serial line.
= O - Clock signal of I²C BUS software serial line.
= I/O - Connected to signal 12 of 40 pins socket.
= I/O - Connected to signal 13 of 40 pins socket.
= O - Unique +5 Vdc power supply.
= - Ground.
GMB HR168 Rel. 5.00
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