FHP AHP 641-224, User Manual

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Figure 4 – Digital Output LEDs
The Third Bank of LEDs are located on the
bottom right corner of the controller as
shown on figure 4 (right) and their purpose
is to show the status of individual Digital
Outputs (DO) as they are energized
DIP and Rotary Switches
Two sets of switches can be found on the
controllers, they must be set properly to
allow correct operation of the unit.
The first set are rotary switches, as shown in
figure 5, is located on the left hand corner
near the top and their function is to provide
the controller address it always convenient
to identify the rotary for the tens and the
rotary for the ones as shown in figure 6.
The second set is located on the top left
hand corner of the controller and it is used
for two purposes:
(1) SW1 and SW2 set the baud rate of the
communications port on the controller:
BAUD RATE SW1 SW2
9600 Off Off
19.2K Off On
38.4K On Off
76.8K On On
Figure 5 – Controller Address Rotary DIP switch
Figure 6 – Rotary switches
Figure 7 – DIP Switches
(2) SW3 and SW4 enable different
supported protocols on the controller
additional hardware is needed for LonTalk®.
IMPORTANT:
Controllers must be
addressed correctly
for multiple units to
work on a network.
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