
MATRIX 400™ REFERENCE MANUAL 
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5 
 Matrix 400™  EXTERNAL TRIGGER 
Vext  30 Vdc max.
A
B
Signal 
V
VCC ~ 
~ 
+  -
I1A
I1B 
Figure 92 - External Trigger NPN Using External Power 
Pin Name  Function 
A  Vdc  Power Supply input voltage + 
D  I2A  Input 2 A (polarity insensitive) 
E  I2B  Input 2 B (polarity insensitive) 
L  GND  Power Supply input voltage - 
INPUT 2 CONNECTIONS USING MATRIX 400™ POWER 
 INPUT DEVICE 
Matrix 400™ 
D
E
A
LGround
V
Signal
VCC ~
~ 
+- 
Vdc
GND
I2A
I2B 
Figure 93 - Input PNP Using Matrix 400™ Power 
 INPUT DEVICE 
Matrix 400™ 
Signal
D
E
A
LGround
V
VCC ~
~ 
+- 
Vdc
GND
I2A
I2B 
Figure 94 - Input NPN Using Matrix 400™ Power