LK404-25-E Matrix Orbital, LK404-25-E Datasheet - Page 13

• Manufacturer Part Number: LK404-25-E
• Description: LCD Character Display Modules 40x4 Grn/Yel Ext Temp
• Manufacturer: Matrix Orbital

Specifications of LK404-25-E

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.5 Dallas 1-Wire Bridge
an aditional thirty two 1-wire devices to be connected to the display. See Section 8 on page 30.
2.6 Manual Override
particularly helpful if the display module has been set to an unknown baud rate or I
you are no longer able to communicate with it. If you wish to return the module to its default settings you
must:
Matrix Orbital
1. Power off the display module.
In addition to the six general purpose outputs the LK404-25 offers a Dallas 1-wire bridge, to allow for
The Manual Override is provided to allow the LK404-25 to be reset to factory defaults. This can be
WARNING If connecting a relay, be sure that it is fully clamped using
a diode and capacitor in order to absorb any electro-motive force (EMF)
which will be generated.
Figure 15: General Purpose Output
Figure 16: Dallas 1-Wire Bridge
LK404-25
-
+
GND
MAX: 20 mA, +5Vdc
2
C Slave Address and
9