Matrix Orbital LK204-7T-1U - Manual (Page 24)

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6.4 General Purpose Output
4.1 General Purpose
Output On Dec
Hex
ASCII 254 87
FE 57
■ W
Number
Number
Number v5.0
Turns the specified GPO on, sinking current to an output of zero volts.
Number Byte GPO to be turned on.
4.2 General Purpose
Output Off Dec
Hex
ASCII 254 86
FE 56
■ V
Number
Number
Number v5.0
Turns the specified GPO off, sourcing current from an output of five volts.
Number Byte GPO to be turned off.
4.3 Set Start Up
GPO State Dec
Hex
ASCII 254 195
FE C3
■ ├
Number State
Number State
Number State v5.0
Sets and saves the start up state of the specified GPO in non volatile memory. Changes will be seen on start up.
Number Byte GPO to be controlled.
State Byte 1 for on or 0 for off.
LED Indicators
The LK204-7T-1U has 6 General Purpose Outputs which control 3 bi-colour LEDs. Red, green, and
orange-yellow colours can be created using these software controlled GPOs. Odd numbered GPOs
control red while even numbers switch the green aspects of the LEDs, as shown in the table below.
Table 14: LED Output
Colour GPO
O
GPO
E
Yellow 1 1
Green 0 1
Red 1 0
Off 0 0