7.7 Alarms
Alarms on the V3 transmitter indicate that a failure condition exists. They can be set to
activate on modulation level, forward power, reverse power and PLL lock fail.
Upon triggering, they will toggle the relevant pin on the GPIO/Parallel connector. They
write to the system log and send an e-mail if required.
Alarm pins can be configured as open-collector outputs (when working as alarms) or as
analog outputs (for reporting system parameters as analog voltages). When used as
alarms, 10 kOhm external pull-up resistors to 12 V should be placed on each pin to be
able observe voltage changes on the pins.
7.7.1 To set up an alarm pin as alarm:
1. If required, connect the required alarm pin to the external measuring equipment.
Observe correct current and voltage ratings. Note that an external pull-up resistor
may be required.
2. Navigate to the Alarms folder and then enter the Alarm folder that you require
(Alarm A, B, or C).
3. Set Type to Alarm.
4. Set the source for the Alarm. For a detailed description consult the parametric
guide section on Alarms.
5. Set the Threshold for the selected fail condition.
6. Set the Pin Polarity
7. Set the On Delay
8. Set the Off Delay
If an e-mail notification is required, set Send e-mail to Yes.
Please ensure that e-mails are set up correctly.
7.7.2 To set up an alarm as an analog output:
1. Connect the required alarm pin to the external measuring
equipment. Observe correct current and voltage ratings. Note that an
external pull-up resistor may be required.
2. Navigate to the Alarms folder and enter the Alarm folder that you
require (Alarm A, B, C, ..)
3. Set Type to Analog Out.Set the Source for the Analog Out.
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