----- Supply network analyzer CVMk and CVMk-ITF ------ Page Nº 36
10.2. ADDITIONAL SCREEN WITH THE 4 - 20 mA OUTPUT MODULES
20 mA output modules: CVM/ER420-1 (1 analog output),
CVM/ER420-2 (2 analog outputs), CVM/ERC 420-1 (1 relay +1 analog output),
CVM/RED-420 (communications + 1 4 -20 mA output).
With this module we can configure the CVMk - to give an output of 4 - 20 mA d.c.
or of 0 - 20 mA d.c. ( resolution of 4.000 points ) proportional to any of the
parameters measured by the CVMk, with the ability of setting the scale (offset
and full scale).
On the CVMk screen following messages appear at this SET-UP point (provided the
right module is connected to the equipment):
a.- Parameter choosing:
dA 1 OUTPUT D/A Nr.1
Code
xx
( Parameter Nr.
- "max" -- "min" keys: allow the selection of any parameter from 01 to 30
- "display" key: validates the selected option and passes to the next setup
screen.
b.- Election of 0 - 20 mA or 4 - 20 mA :
dA 1 OUTPUT D/A Nr.1
Scal Scale :
4 - 20
( allows choosing a 0 - 20 mA
or 4 - 20 output ("max" or "min" key)
- "display": to validate the selected option and pass to the next setup screen.
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