A0xx Temporary sensors for projects
xxxxA Alternative redundant sensors
xxxx1 Cylinder/turbocharger numbers
ECS: Engine Control System
GI: Gas Injection engine
VOC: Volatile Organic Compound
Functions
Secondary letters:
A Alarm
C Control
H High
I Indication, remote
L Low
R Recording
S Switching
X Unclassified function
Y Slow down
Z Shut down
Repeated signals
Signals which are repeated, for example measure-
ments for each cylinder or turbocharger, are pro-
vided with a suffix number indicating the location,
‘1’ for cylinder 1, etc.
If redundant sensors are applied for the same
measuring point, the suffix is a letter: A, B, C, etc.
Table 18.07.01b: Identification of instruments
Examples
TI 8005 indicates a local temperature indication
(thermometer) in the fuel oil system.
ZS 1112A C and ZS 1112B C indicate two redun-
dant position switches in the manoeuvring sys-
tem, A and B, for control of the main starting air
valve position.
PT 8501 I AL Y indicates a pressure transmitter
located in the control air supply for remote indica-
tion, alarm for low pressure and slow down for low
pressure.
078 89 33-9.6.0
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