/ write bit. If we take a standard Phillips 7bit address of 45hex this would be in binary 1000101. This is
7bits. Matrix Orbital would describe the Phillips I
2
C address of 45hex as 8Ahex. The read address would
be 8Bhex.
For more information on Phillips I
2
C please visit;
!"#%$ !&%'()*
and for more information specific to our displays visit;
+!&",-%.%*0/12!,3*4",-.*5/%673%,!89:3
To communicate by I
2
C two jumpers have to be set into the I
2
C position left of the power SIP connector.
The I
2
C setting is default on the display.
Figure 14: RS-232 SIPs
Connector pinout is as follows;
Figure 15: Power Connector
Table 5: Connector Pinout
Pin 4
Ground
Pin 3
SDA (I
2
C data)
Pin 2
SCL (I
2
C clock)
Pin 1
Vdc
2.2 General Purpose Outputs
The display has seven general purpose outputs. These are provided to control relays or other electronic
devices. This allows external devices to be turned on or off using the PC or controller and software com-
Matrix Orbital
PK162-12
11
