Emerson FieldQ Series Product Data Sheet page 32

Product data sheet
1.604.13 Rev. 4 Page 6 of 9
October 2018
Position feedback
Switch cartridges
The position feedback is achieved by switch cartridges in the
module. These cartridges contain switching elements which
sense the open or closed position and are pre wired to the
AS-I cartridge (see fig 5 and 6). These easily exchangeable
switch cartridges are available with mechanical or proximity
switching elements.
Switch cartridge
Fig. 8. Switch cartridges
Mechanical switches
Table 2: Mechanical switches
Specification Description
Option code G (gold contacts)
Type Mechanical
Contacts NO and NC
Temperature range -25°C to +60°C / -13°F to +140°F
2-Wire Proximity switches
Table 3: 2-wire NAMUR proximity switches
Specification Description
Option code N
Type 2-wire inductive, normally closed
Temperature range -25°C to +60°C / -13°F to +140°F
Compliant to DIN EN 60947-5-6 (NAMUR)
Note:
1. The switch cartridge is internal powered by AS-i cartridge,
external power/wire for switch signal is not required.
2. For applications below -20°C (-4°F), the base actuator must
be equipped with Low temperature seals.
FieldQ
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Terminal strip position
feedback switches
Non-Intrusive switch point adjustment
If required the switches can be adjusted without opening the
module. This, so called, Non-Intrusive switch adjustment is
located at the front of the module behind a locable (1) shield
(2). Two adjustment screws are available for adjusting the
Closed (3) and Open (4) position indication.
Important:
3
4
1
2
"Closed"
Switch point adjustment
"Open"
Switch point adjustment
Switch points
Open
Fig. 9. Non-Intrusive switch point adjustment
- The above "Closed" and "Open" marked adjustment
screws will adjust the valve's "Closed" or "Open" switch
point, if the valve closes after a Clock Wise (CW)
rotation.
- If the valve closes after a Counter Clock Wise (CCW)
rotation, the "Closed" marked adjustment screw will
adjust the "Open" switch point. Similar, the "Open"
marked adjustment screw will adjust the "Closed" switch
point.
FieldQ
3°
20°
Closed
90°
20°
3°