TBB power MPPT - Connection Compartment

MPPT charge controller User Manual
4
2.2.2 Connection compartment
External interface terminal as shown in Figure 2-2.
Figure 2-2 Connection terminals
Table 2-3 Connection terminal introduction
Silk-screen
Definition
PV
+
Connection terminal for PV array Positive
-
Connection terminal for PV array Negative
BAT
+
Connection terminal for Battery Positive
-
Connection terminal for Battery Negative
EPO
EPO contacts, defined for remote on/off.
NC
Output dry contacts.
C
NO
RS485
Connection terminal for RS485 communication.
Temp. Sensor
Connection terminal for battery temperature sensor.
Tab le 2-4 Pin definition of Temp. Sensor
Pin Definition
Pin1 Battery Positive
Pin2 Battery Negative
Pin3 Temperature sensor
Pin4
Battery Negative
Tab le 2-5 Pin definition of RS485 communication port
Pin
Definition
Pin1
Pin2
Pin3
RS485_A
Pin4
Pin5
Pin6
RS485_B
Pin7
Pin8