Emerson Bettis Q Series Installation Manual page 8

Bettis Q-Series
February 2017
4.3 Connecting 2-Wire proximity switches
IMPORTANT
The below mentioned typical switch specifications
are applicable for non-hazardous areas.
1. Before connecting the switches, check the
model code on the Control Module label.
QCXX.xxxNxx = 2-Wire NAMUR proximity
2 Guide the cable(s) through the electrical
entry(ies).
- Use and mount cable glands as required by
national or local legislation.
3. Make connections as shown in figure 4.9 and
table 4.5.
4. Mount the Control Module cover. Take care that
the cover seal is in place to comply to dust and
water tightness according to IP66 or NEMA4X.
IMPORTANT
For hazardous area installations see instructions in
paragraph Chapter 11.
Table 4.5 2-Wire NAMUR proximity switches
Option code N
Type 2-wire inductive, normally closed
Voltage 8 VDC nominal
Output Unswitched: > 3mA
Switched:
Temperature See table 4.1
Compliant to DIN EN 60947-5-6 (NAMUR)
8
< 1mA
3mA
≥ 3mA
1mA
≤ 1 mA
-3° 15°
0°
Switch Switch
operation
2-Wire 115V Switched
proximity
switch
Unswitched
Fig 4.7 Switch characteristics 2-wire 230VAC
proximity switch
Switch signal and adjustable switch range
Switch
2-wire NAMUR proximity switch
operation
Open Switch
Unswitched
3mA
Switched 1mA
Close Switch
Unswitched 3mA
1mA
Switched
75° 93°
90°
Fig 4.8 Switch characteristics 2-wire NAMUR
proximity switch
Installation Guide
DOC.IG.BQC44.1 Rev. 1
Switch signal and adjustable
switch range
Close Open
switch
Switch
-3° 15° 75°
0°
Rotation
≥ 3mA
≤ 1 mA
-3° 15° 75°
0° 90°
Rotation
≥ 3mA
≤ 1 mA
-3° 15° 75°
0° 90°
Rotation
93°
90°
3mA
1mA
93° -3°
93°