PK202-25 Matrix Orbital, PK202-25 Datasheet - Page 18

• Manufacturer Part Number: PK202-25
• Description: LCD Character Display Modules Black Background Yel/Grn Text
• Manufacturer: Matrix Orbital
• Series: PK202-25r

Specifications of PK202-25

• Character Count X Line: 20 x 2
• Module Size (w X H X T): 116 mm x 37 mm x 25.73 mm
• Background Color: Black
• Backlight Type: LED Yellow / Green
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.3 General Purpose Outputs
vices. This allows external devices to be turned on or off using the PC or controller and software commands.
Each output is wired as shown in the Figure below. The + terminal is connected directly to the module
positive supply, the - terminal is connected through a 240 ohm current limiting resistor and the electronic
switch to ground.
being switched has a resistance of 240 ohms or more the corresponding resistor may be shorted. Solder a
small jumper wire (wirewrap wire is good) from the feedthrough hole to the corresponding negative pin for
the GPO in question.
Matrix Orbital
The display has six general purpose outputs. These are provided to control relays or other electronic de-
Maximum allowable current is 20 mA, which is enforced by the current limiting resistor. If the device
Figure 17: General Purpose Outputs
Figure 16: 1-Wire Pinout
PK202-25
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