Appendix: Electrical InstallationMSA
ULTIMA X
®
Series
GB
75
9.9 HART Module Connections
9.10 Connection to MSA Controllers
Maximum cable lengths in metres for cable with 1.5 mm
2
*)
Cable extension factors for ULTIMA X without relay and LED. Use the following
factors for different cable cross-sections:
1.0 mm
2
= 0.66
1.5 mm
2
= 1.00
2.5 mm
2
= 1.45
J4 J5
J1
J2J3
-GROUND-
SIGNAL
+POWER+
SHIELD
PLUG FROM I.S. BARRIER
INSIDE MODULE
SHIELD
POWER CONNECTOR
FROM
ULTIMA X MAIN PCBA
J4 J5
J1
J2J3
SHIELD
PWR (+)
SIGNAL (S)
GND (-)
ULTIMA X Type SUPREMA E292 VP
9010/20
[12 VA]
Gasgard XL V-Factor
*)
OX-TOX [2 wire] 1600 1500 1200 1000 --
OX-TOX [3 wire] 2000 1800 1500 1200 1.2
Catalytic [3 wire] 800 700 600 500 1.2
IR [3 wire] 500 350 300 250 1.2