INSTALLATION | WIRING GUIDE
AST Pressure Sensors
TE CONNECTIVITY SENSORS
/// INSTALLATION | WIRING GUIDE
12//2018
Page 3
Cable / Hookup
Wire Connections
Standard Cable
Conduit with Cable
AST Electrical Connection Option
”A, B, C, D”
“L, M, N, P”
Gauge Wire
24 AWG
24 AWG
Output Type
Green
Black
Red
White
mV & 4-Wire Voltage
+S
GND
+V
-S
3 Wire Voltage
N/C
GND
+V
S
4-20mA (2 wire loop powered)
N/C
-V
+V
N/C
CSA Certified Sensors
Output Type
Green
Black
Red
White
3 Wire Voltage
Case
GND
+V
S
4-20mA (2 wire loop powered)
Case
-V
+V
N/C
NOTICE FOR NON-INCENDIVE SENSORS INSTALLED IN [CLASS I, DIV 2, GROUPS A,B,C,D]
- Suitable for use in [Class I, Division 2, Groups A, B, C And D] Hazardous Locations, or Non Hazardous Locations only.
Explosion Hazard
- Do not disconnect equipment while the circuit is live or unless the area is known to be free of ignitable concentrations.
Explosion Hazard
- Substitution of any component may impair suitability for [Class I, Division 2]
NOTICE FOR INTRINSICALLY SAFE SENSORS
- Refer to the Intrinsically Safe Installation Manual for barrier installation information
+V
Voltage Supply
-V
4-20mA Electrical Ground / Signal [see schematic]
S
Voltage Output Signal
GND
Voltage Electrical Ground
Case
Case / Earth Ground
(Do not connect or tie the case ground to the electrical ground)
N/C
Not Connected
