Circutor DHB-302, Instruction Manual

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4.3.- BUTTON FUNCTIONS
The DHB-3xx has 4 buttons that allow you to browse the various screens and program the unit
(
Table 4
):
Table 6: Button functions on the measurement screens�
Button Short press Long press (3 s)
- Enter the setup menu (editing mode)
Display maximum value. -
Display minimum value. -
- Enter the setup menu (display mode)
Delete the maximum value -
Delete the minimum value -
- Delete the alarm LED
-
Display the different measurement
parameters
4.4.- IMPULSE OUTPUT ( DHB-324 model)
The
DHB-324
unit has one energy impulse output, terminals 27 and 28 of
Table 3
, with a fixed
ratio of 5000 impulses/kWh.
See
“5.- TECHNICAL FEATURES”
4.5.- ALARMS
The DHB-302 unit has:

2 alarm relays,
Alarm 1
and
2
, terminals 9, 10, 11, and 12 of
Table 2
, with normally
open (NO) contact.

2 alarms, Alarm 3 and 4 , fully programmable but not linked to any relay.
The
DHB-324
model has:

2 alarm relays, Alarm 1 and 2 , terminals 9, 10, 11, and 12 of
Table 2
, with normally
open (NO) contact.

2 switched alarm relays,
Alarm 3 and 4,
terminals 31, 32, 33, 34, 35, and 36 of
Table 3
.
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DHB-302 DHB-324
Instruction Manual