19
Installation Guide
Bettis Q-Series
DOC.IG.BQC44.1 Rev. 1
February 2017
11.2.4 Wiring instructions QC44.xP1Nxx1
Intrinsically safe Control Module with the switch
types M and G where * is M or G
Table 11.5
Notes:
CSA
ATEX
1
Installation must be inaccordance
with:
Canadian Electrical Code,
Part1
The national wiring practices of the
country of use
2
Before operation:
The control module in combination with the pneumatic module must be mounted
properly on the actuator.
3
Barriers:
Must be CSA approved and installed in an enclo-
sure that meets the requirements of CEC part1. Must be certified by an European Noti-
fied body and installed per manufac-
turer’s installation instructions.
Control equipment connected to the barrier
must not use or generate more than 250Vrms
or Vdc.
4
Intrinsically safe equipement
Must be CSA Approved
Must be ATEX Approved
5
Barrier I.S. Entity Parameters must
meet the following conditions:
Uo =< Ui
Io =< Ii
Po =< Pi
Co >= Ci + C cable
Lo >= Li + L cable
6
When multiple barriers are used:
* Each I.S. Circuit must use shielded, twisted pairs
* Cable insulation and shielding must extend to within paritioned area of terminals
7
8
9
10
11
12
3
2
1
6
5
4
-
+
-
+
-
+
-
+
Unclassified or Non
Hazardous Location
Hazardous or
Classified Location
Hazardous or
Classified Location
Unclassified or Non
Hazardous Location
Terminal connections
Solenoid 1
Solenoid 2*
* Solenoid 2 only available with
Fail in Last Position function
IS Approved Barrier
IS Approved Barrier
IS Approved
Barrier
IS Approved
Barrier
Switch 1
Switch 2
Cable range:
Solid / Stranded wire:
0.2-2.5mm2 or 30-12 AWG
