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Description
The Data Handler accepts 1 each 4/20 mADC signal
and 2 each Dry Contact Closures that correspond
to various field variables such as level or flow
and other status information such as an
intrusion or a failed pump.
The Data Handler is configured to automatically
initiate the General Purpose Modem to dial a
regular phone number or a number of a numeric
pager and leave a voice or numeric message that
includes the site ID Number, the variable
reading in engineering units and other current
on-site status conditions.
The messaging is configured to occur
periodically, on a change of state, or when
internally configured limits are reached. The
Data Handler prompts the General Purpose Modem
to automatically send a default message every 24
hours signifying that the communications system
is operational.

Specifying/Ordering –
Product Application Number (PAN)
AD1
Specifications –
E – NEMA 1 Rated Enclosure
P – 115 VAC, 60 Hz
I1 – Input 1 – 4/20 mADC, Z = 250 Ohms
I2 – Input 2 – 2 each Contact Closures
Use the following table to specify other
options.
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|
E |
P |
|
A |
NEMA 4 |
220 VAC, 50/60 Hz |
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B |
|
24 VDC |
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C |
|
12 VDC |
Example –AD2–EA-PB
Resulting Specifications –
E – NEMA 4 Rated Enclosure
P – 12 VDC
I1 – Input 1 – 4/20 mADC, Z = 250 Ohms
I2 – Input 2 – 2 each Contact Closures
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