About the Hardware
14
EnviroNET User Manual
2 • Installing the EnviroNET
Note
If you are unsure about the location or nature of the EnviroNET
components, refer to the following section,
“About the Hardware”
on
page 14,
before
you begin connecting cables and wiring the Enviro-
NET.
About the Hardware
This section offers information about hardware components that come with the EnviroNET, including the PC
board, the AC/DC power supply, and the interface board.
Figure 3. Diagram of EnviroNET components (Models 2168 and 2172)
Terminal block
wiring diagram
Power supply
Internal
power connection
External
power connection
Fan
(ET/EC only)
Heater
connection
(ET only)
Alarm
(ET/EC only)
LED connections
(ET/EC only)
External
terminal block
connections
Power jack
Ethernet port
DIP Switch
Line port
POWER ONE
BLP-30
LEDs
(ET/EC only
S
1 2 3 4
ON
5 6 7 8
AC IN
100-240V
0.15A
50/60Hz
POWER
BLOCK
DC OUT
12V/0.42A
PWB-5002
