Encom Harmony IP I/O8, User Manual

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Harmony IP I/O8 Network Monitoring & Control User Manual
34
2. Setting Up an External Status Confirmation with HARMONY IP I/O8
The following application is an example of using a HARMONY IP I/O8 configured for External Confirmation.
The diagram below shows the layout:
This system operates in the following manner:
Ø
The switch at the HARMONY IP I/O8 (Master) is switched ON (closed).
Ø Input 1 of the Master is now connected to ground through the switch and is activated. This status
change is transmitted to the Remote Radio.
Ø
Output 1 of Remote Radio is activated.
Ø
The relay is activated; both sets of its contacts switch. The set of contacts with no connections shown
would be connected to the end device. The other set of contacts ties Input 1 of the Remote Radio to
ground.
Ø
Input 1 of the Remote Radio is now connected to ground through the relay contacts and is
activated. This status change is transmitted to the Master.
Ø
Output 1 of the Master is activated, which turns the LED ON.
Ø
This setup confirms the Remote Radio received the status change and it indicates the status of the
device connected to the Remote Radio.
INPUTS
1 2 3 4 5 6 7 8
OUTPUTS
1 2 3 4 5 6 7 8
HARMONY IP I/O8
Common Ground
for all equipment
inside cabinet
INPUTS
1 2 3 4 5 6 7 8
OUTPUTS
1 2 3 4 5 6 7 8
HARMONY IP I/O8
12V LED
Master Site Remote #1 Site
Common Ground
for all equipment
inside cabinet