Installation manual

ELECTRICAL CONNECTIONS
37
3
3.7.1 Presence Sensor Input Connections
CAUTION
Power is available directly to the Input Device, independently from the
Power Supply Switch inside the CBX.
The sensors included in the STS400™ have a standard pinout (brown = +Vdc; blue = GND;
black = switched) and can be connected to the Trigger and Input 2 as shown in the figures
below.
Sensor 1 CBX500 ATS Row 2
Function
brown +V Power Source - External Trigger
black I1A External Trigger A (polarity insensitive)
blue I1B External Trigger B (polarity insensitive)
-V (bridge to I1B) Power Reference - External Trigger
Figure 13 – Presence Sensor Connected to External Trigger
The yellow Trigger LED on the reader is on when the active state of the External Trigger
corresponds to ON.
Sensor 2 CBX500 ATS Row 3 Function
brown +V Power Source - Inputs
black I2A Input 2 A (polarity insensitive)
blue I2B Input 2 B (polarity insensitive)
-V (bridge to I2B) Power Reference - Inputs
Figure 14 – Presence Sensor Connected to Input 2
(brown)
(black) (blue)
Presence Sensor Photocell (PNP)
(brown)
(black) (blue)
Presence Sensor Photocell (PNP)