Keypad D9 Fixed Socket
Pin
Function
1
Column 1
2
Column 3
3
Row 2
4
Row 4
5
GND
6
Column 2
7
Row 1
8
Row 3
9
+12V out
5.8 CONTROL PANEL GPIO EXTERNAL CIRCUITRY
Control panels from the 500-3x-30 and 500-3x-50 range provide 2 local GP inputs and 2 local GP
outputs on a D9 fixed socket. The tables in section 8.5.2.2 and 5.5.3 provide pin-out details. The
circuit below gives suggested wiring details for Logic Output 1. Like the matrix GPI card (see 3.4.5.2)
the maximum current must be limited to 200mA and the maximum external voltage to 200V.
Exceeding these limits will damage the panel circuitry.
The circuit below shows suggested wiring for Logic Input 1. If the input circuitry needs to be isolated
from the panel voltage, the link between pins 5 and 9 should be removed. An external voltage can
now be connected to pin 9 but an additional dropper resistor should be added if this voltage is >5V.
OUTPUT 1
Control Panel
Trilogy Communications Limited
Commander Installation Guide
Notes
Switch 1,4,7, *
Switch 3,6,9,#
Switch 4,5,6
Switch *,0,#
For switch LEDs
Switch 2,5,8,0
Switch 1,2,3
Switch 7,8,9
Switch
220R
6
7
200mA MAX
LINK
1
CHASSIS
View of Keypad (as seen on front panel)
EXTERNAL Vcc (200V Max)
R
Outside World
Issue 9.1
1
2
3
4
5
6
7
8
9
0
#
Page 45 of 81
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