FineTek SA140 Operation Manual

SA140 CAPACITANCE LEVEL SWITCH OPERATION MANUAL
KEY FEATURES AND BENEFITS
Capacitance switches are simple structures with no moving parts reducing wear and tear. Can be applied to
solids, powders, slurries and liquids. A variety of mounting options makes installation simple. Remote
capacitance switches are available for tanks with vibrators and prevent circuit board damage.
※When there are materials or mixtures with multiple characteristics such as high/low dielectric and
conductive characteristics simultaneously (for example; silica sand in the glass industry, etc), it must be
tested on the site first, to determine whether the sensor is suitable or not. If there still exists measuring
problems, we suggest using our Tuning Fork Level Switch (SC) or Rotary Paddle Level Switch (SE).
SPECIFICATIONS
Model number
SA140A
Power supply
100~240Vac
Power consumption
SPDT
Output
5A/250Vac/30Vdc
Ambient temp.
Operating temp.
Operating pressure
Delay
Sensitivity range
PANEL INSTRUCTIONS
Rotary knob type
INDICATOR
DELAY
SENSITIVITY ADJ
SERIES No.
SENSITIVITY-No.
H
AC100~240V
COARSE
E S COM NO NC N L
8
SA140 A
AC 100~240VAC
INDICATOR
DELAY
SENSITIVITY ADJ SENSITIVITY ADJ
SERIES No.
SENSITIVITY-No.
H H
COARSE COARSE
E S COM NO NC 0V 24V E
8 8
SA140 B
DC 24VDC
SA140B SA140C
24Vdc 20% ± 24Vdc±20%
2W
SPDT
Transistor output
5A/250Vac/30Vdc
-20~60°C
-20~80°C
2
20kg/cm
0~8s±1S
10pF(Rotary knob)
Power supply
Output
Coarse position
Sensitivity
Level indicator
Time delay setting
Connect with probe
8
INDICATOR
connection
DELAY
SERIES No.
SENSITIVITY-No.
S O/P 0V 24V
SA140 C
DC 24VDC
WIRING INSTRUCTIONS
1. Probe has not come into contact with medium – LED off NC and COM terminals are connected (usually referred to
as B)
2. Probe contacts medium: LED turns on without delay NO and COM terminals are connected (referred to as A)
Operation mode Indicator LED
Red
Red
WIRING PRECAUTIONS
1. Turn off power before wiring.
2. If working on live circuits, wear insulated gloves and insulated shoes.
3. Use insulating tape when appropriate.
4. Check for the presence of water within the junction box cover, cable connectors and take good waterproofing
measures.
AC100~240V
E S COM NO NC N L
-
+
POWER
wire to sensor probe
wire to sensor probe
SA140A(SPDT output wiring )
SA140B(SPDT output wiring )
E S O/P
-
POWER
R
wire to sensor probe
SA140C(NPN output wiring )
NPN output RELAY output
O/P N.O.
COM.
N.C.
O/P
N.O.
COM.
N.C.
E S COM NO NC 0V 24V
-
+
POWER
0V 24V
+
+