beautypg.com

0 operation – Ronan X55-600 Series User Manual

Page 5

background image

3.3 Manifold Mounted Models

The manifold mounted transducers
share a single 3/8-18 NPT female inlet
while having individual 1/4-18 NPT
female outlet fittings. A dry, clean and
filtered air supply is necessary for opera-
tion of the I to P transducers. It is not
necessary to use all of the positions in
a manifold chassis as each position is
equipped with manual shutoff valves.

4.0 OPERATION

4.1 Input Selector Switch

The input selector switch, accessible at
the top of the module, allows the mod-
ule to be set to either a 4-20 mA or 10-
50 mA input range. The two positions of
this switch are so labeled.

4.2 Split/Full Range Selector Switch

The SPLIT/FULL range selector switch,
accessible at the top of the module,
allows the module to be set either to
the normal full range or to a split range

of 4-12 mA or 12-20 mA input. In the
split range operating mode, a full output
span will be obtained with one half of
the normal input span applied.

4.3 Rev/Dir Switch

When in the REV position, this switch
causes the relationship of the output to
the input to be the inverse of normal, or
DIR operation. That is, when the input
increases from zero toward full scale,
the output decreases from full scale
toward zero. When this switch is in the
DIR position, the output increases pro-
portionally to an increase in the input.

Action

Range

4-20 mA

10-50 mA

3-15 psig

3-27 psig

6-30 psig

Direct Acting

Full Range

4-20

10-50

3-15

3-27

6-30

Reverse Acting

Full Range

4-20

10-50

15-3

27-3

30-6

Direct Acting

Split Range

4-12

10-30

3-15

3-27

6-30

4-11

10-29

3-15

3-27

6-30

12-20

30-50

3-15

3-27

6-30

13-20

31-50

3-15

3-27

6-30

Reverse Acting

Split Range

4-12

10-30

15-3

27-3

30-6

4-11

10-29

15-3

27-3

30-6

12-20

30-50

15-3

27-3

30-6

13-30

31-50

15-3

27-3

30-6

Table 2: Split Ranging and Reverse Acting.

3