STATUS SCIENTIFIC CONTROLS MCU3 - Hazardous Area Installations Using Proprietary Safety Barriers

STATUS SCIENTIFIC CONTROLS
MCU System Installation and Hardware Configuration Manual
TD06/001
Issue:
6
Change Note:
1696
Page 3-11
3.3.3 Hazardous area installations using Proprietary Safety
Barriers.
The following diagrams show how proprietary I.S. barriers from alternative manufacturers can be
used (barriers manufactured by MTL are shown).
- +
4-20mA Loop
Note: Distribution
board Link J1 should
not be fitted.
21
22
23
24
Input Module
4 2
MTL 728+
3 1
I.S. Earth
Screen
Screen
Hazardous area Safe Area
Connection diagram for FGD2 & 3 Oxygen
or Toxic Detectors in a Hazardous area
Note: Distribution
board Link J1 should
not be fitted.
21
22
23
24
Input Module
4 2
MTL 728+
3 1
I.S. Earth
Screen
Screen
Hazardous area Safe Area
Connection diagram for FGD2 & 3
Flammable Detectors in a Hazardous area
4 2
MTL 758
3 1
Sig 0 +