Trane Tracer MP501 Installation, Operation And Maintenance Manual page 25

Figure 9.
LonTalk 
communication
link
CNT-SVX08F-EN
Input/output wiring for generic applications with the MP501 controlling a tri-state
modulating actuator
Not used
H
24 Vac
N
GND 24V
AC POWER
COMM5
SERVICE
A B A B
LED PIN
In
Out
Enable/disable
or generic input
Tri-state modulating
actuator
Not used
24V 1 24V 2 24V 3 OUT GND
BINARY OUTPUTS AO
BI AI ZONE SENSOR
BI 1 GND +20 AI1 SET GND ZN
Not used
Applications for Generic Mode
Interlock device on/off
STATUS
LED
COMM5
LED
Typical
–
3-wire
+
sensor
GND
25