Floatless Level Switch (Plug-in Type)
61F-G@P
CSM_61F-G_P_DS_E_3_2
Compact, Space-saving Plug-in Type Ideal
for Pump Panels or Building into Equipment.
• Large switching capacity: 5 A at 220 VAC (resistive load).
• Easy to handle with DIN rail mounting.
• Replace for maintenance without rewiring the socket.
Refer to
Safety Precautions for Floatless Level
Controllers.
61F-G@P@ (110 VAC) in this catalog have been discontinued
at the end of March 2018.
■
Model Number Legend
61F-@P@
1
2
2. Type
Blank:
L 2KM:
L 4KM:
H:
D:
General-purpose
Long-distance (for 2 km)
Long-distance (for 4 km)
High-sensitivity
Low-sensitivity
1. Control Applications
G1: Automatic water supply with idling prevention
or water shortage alarm
G2: Automatic water supply and drainage with
abnormal water increase alarm
I: Liquid level indication and alarm
■
Ordering Information
Type
General-purpose
Model
G1 models
61F-G1P
*
Type
High-sensitivity
Model
G1 models
61F-G1PH
*
Type
General-purpose
Model
G2 models
61F-G2P
*
Type
High-sensitivity
Model
G2 models
61F-G2PH
*
Type
I models
Type
I models
General-purpose
Model
61F-IP
*
High-sensitivity
Model
61F-IPH
*
61F-IPD
*
Long-distance (for 2 km)
Model
61F-G1PL 2K
Low-sensitivity
Model
61F-G1PD
*
Long-distance (for 2 km)
Model
61F-G2PL 2KM
*
Low-sensitivity
Model
61F-G2PD
*
Long-distance (for 2 km)
Model
61F-IPL 2KM
*
Low-sensitivity
Model
Long-distance (for 4 km)
Model
61F-IPL 4KM
*
Long-distance (for 4 km)
Model
61F-G2PL 4KM
*
Long-distance (for 4 km)
Model
61F-G1PL 4KM
*
Note:
When ordering, specify the desired operating voltage at the end of the model number.
Example: 61F-G1P [110VAC]
Desired supply voltage
*
61F-G@P@ (110 VAC) in this catalog have been discontinued at the end of March 2018.
1
61F-G@P
■
Plug-in Models
Specifications
Item
General-purpose
Controller
61F-G1P
61F-G2P
61F-IP
Long-distance
Controllers
61F-G1PL
61F-G2PL
61F-IPL
(see note 2)
High-sensitivity
Controllers
61F-G1PH
61F-G2PH
61F-IPH
(see note 1, see note 6)
Low-sensitivity
Controller
61F-G1PD
61F-G2PD
61F-IPD
For control of liquids with
low specific resistance such
as salt water, sewage water,
acid chemicals, alkali chem-
icals
Controlling materials and
For control of ordinary puri- For control of ordinary puri- For control of liquids with
operating conditions
fied water or sewage water fied water in cases where
high specific resistance
the distance between sew- such as distilled water
age pumps and water tanks
or between receiver tanks
and supply tanks is long or
where remote control is re-
quired.
Supply voltage
Operating voltage range
Interelectrode voltage
Interelectrode current
Power consumption
100, 200, 220 VAC; 50/60 Hz
85% to 110% of rated voltage
8 VAC
Approx. 1 mA AC max.
Approx. 6.4 VA max.
0 to 1.8 kΩ (for 2 km)
0 to 0.7 kΩ (for 4 km)
4 k to
∞ Ω
(for 2 km)
2.5 k to
∞ Ω
(for 4 km)
Approx. 15 kΩ to
approx. 70 kΩ
(see note 5)
Approx. 300 k to
∞ Ω
24 VAC
Approx.
0.4 mA AC max.
8 VAC
Approx. 1.2 mA AC max.
Interelectrode operate re-
0 to approx. 4 kΩ
sistance
Interelectrode release re-
Approx. 15 k to
∞ Ω
sistance
Response time
Operate: 80 ms max.
Release: 160 ms max.
Cable length
(see note 3)
Control output
Ambient temperature
Ambient humidity
Insulation resistance
(see note 4)
Dielectric strength
(see note 4)
Life expectancy
Weight
1 km max.
0 to approx. 1.8 kΩ
Approx. 5 k to
∞ Ω
2 km max.
4 km max.
50 m max.
1 km max.
2 A, 200 VAC (Inductive load: cosφ = 0.4)
5 A, 200 VAC (Resistive load)
Operating: –10 to 55°C
Operating: 45% to 85% RH
100 MΩ min. (at 500 VDC)
2000 VAC, 50/60 Hz for 1 min.
Electrical: 500,000 operations min.
Mechanical: 5,000,000 operations min.
Approx. 495 g
Note: 1.
The relay in the 61F-G1H/-G2H/-IPH de-energizes when there is water present across the Electrodes, whereas the relay in the 61F-GP-
N8HY energizes when there is water present across the Electrodes.
2.
Models are available for 2 km and 4 km.
3.
The length when using completely-insulated, 600-V, 3-conductor (0.75 mm
2
) cabtire cables. Usable cable lengths will become shorter as
the cable diameter or number of conductors becomes larger. For details, refer to
Safety Precautions for Floatless Level Controllers.
4.
The insulation resistance and dielectric strength indicate values between power terminals and Electrode terminals, between power
terminals and contact terminals, and between Electrode terminals and contact terminals. For details, refer to
Safety Precautions for
Floatless Level Controllers.
5.
Possible to use with 15 kΩ or less, however, this may cause reset failure.
6.
High-sensitivity Controllers use advanced operation.
When the power supply voltage is applied, if there are some liquids between the electrodes (ground and operation electrodes), the inter-
nal relay will not operate.
When the power supply voltage is applied, if there are no liquids between the electrodes (ground and operation electrodes), the internal
relay will operate.
2
61F-G@P
Internal Circuit Diagrams
61F-G1P/-G1PL/-G1PD
77
U
2
24 V
Control circuit
Power
supply
U
1
Power
supply
U
1
11
11
2
2
8
9
15
10
1
14
14
6
6
55
12
12
4
4
U
1
U
2
24 V
Control circuit
U
1
Power
supply
U
1
11
2
8
9
15
10 U
2
1
11
2
3
3
61F-G1PH
7
14
6
5
12
4
U
1
3
61F-G2P/-G2PL/-G2PD
U
2
7
14
6
5
12
U
1
U
1
U
2
4
3
24 V
Control circuit
24 V
Control circuit
8V
24 V
Control circuit
U
2
8V
U
2
24 V
Control circuit
U
2
24 V
U
2
8
8
9
9
15
15
10
10
1
1
61F-G2PH
U
2
7
14
6
5
12
U
1
U
1
4
3
61F-IP/-IPL/-IPD
7
14
6
5
U
1
U
2
U
1
24 V
Control circuit
Power
supply
24 V
Control circuit
U
2
8V
U
1
12
4
3
61F-IPH
7
14
6
5
U
1
U
2
U
1
24 V
Control circuit
Power
supply
24 V
Control circuit
U
2
24 V
U
1
12
4
3
U
2
U
2
24 V
Control circuit
Power
supply
24 V
Control circuit
U
2
8V
10 U
2
1
8
9
15
11
2
8
9
15
10
1
11
2
8
9
15
10
1
11
2
Note:
The 61F-G@PH High-sensitivity Controller uses advanced operation. The internal relay will operate on the NO contact side when power is
supplied and then will operate according to the liquid level.
3
61F-G@P
■
Connections
Automatic Water Supply Control with Pump
Idling Prevention and Abnormal Water
Shortage Alarm
Plug-in Type
61F-G1P
Dimensions:
Page 7
Automatic Water Supply Control with Pump Idling Prevention
Automatic Water Supply Control with Abnormal Water Shortage Alarm
Connections
Commercial Voltage
R S T
Connections
B
61F-G1P
Alarm
Commercial Voltage
R S T
61F-G1P
B
7
14
U
2
Alarm
MCCB
7
14
U
2
6
5
12
U
1
U
1
U
2
4
3
MCCB
6
5
12
U
1
U
1
U
2
4
3
0V
24 V
24 V
Control
circuit
Control
circuit
0V
24 V
24 V
Control
circuit
Control
circuit
Power
supply
8V
U
2
U
1
Power
supply
8V
U
2
U
1
8
9
15 10
1
11
2
Pushbutton
switch
8
9
15 10
1
11
2
Pushbutton switch
Contactor
(See note.)
Motor
protection
relay
PS-3S
Water
tank
Contac-
tor
E
1
Motor
protection
relay
(See note.)
PS-4S
Water supply
source
Water
tank
PS-3S
Water
supply
source
M
P
E
3
E
2
'
E
1
'
E
3
E
2
E
2
E
3
E
4
E
1
M
P
Note: Be sure to ground the common Electrode E
3
(the
longest Electrode).
•
Insert a pushbutton switch between terminals 11 and 15 as
shown by the dotted lines.
•
Do not press the pushbutton if the low-water alarm sounds and
the pump stops during normal operation (water below E
2
').
Test Operation/Recovering from Power Interruptions
If the supply water level is below E
1
' when starting operation or
when recovering from a power interruption, press the pushbutton
to momentarily close the circuit to start the pump.
Note: Be sure to ground the common Electrode E
3
(the
longest Electrode).
Connection Sockets
14PFA (Front-connecting)
PL15 (Rear-connecting)
•
Insert a pushbutton switch between terminals 11 and 15 as
shown by the dotted lines.
•
If the pump stops when the pushbutton switch is released,
press it again.
Test Operation/Recovering from Power Interruptions
If the supply water level is below E
4
when starting operation or
when recovering from a power interruption, press the pushbutton
to momentarily close the circuit to start the pump.
Principles of Operation
Principles of Operation
Water supply source
Water
supply
P
E
1
Water
shortage
Water tank
Water
supply
(U
2
indicator ON)
Water tank
P
Pump OFF
Pump ON
E
1
(U
2
indicator ON)
E
1
'
E
2
'
E
3
(U
1
indicator ON)
(U
1
indicator OFF)
Pump
OFF
Pump
ON
E
3
E
2
(U
2
indicator OFF)
B
L
E
2
Water
shortage
(U
2
indicator OFF)
(U
1
indicator OFF)
B
L
E
3
E
4
•
The pump starts when the water level in the tank drops below
E
2
and stops when the water level reaches E
1
.
•
When the level of water supply source drops below E
2
', the
pump stops. Pumping idling is prevented and the alarm
sounds.
•
The pump stops when the water level reaches E
1
and starts
when the water level in the tank drops below E
2
.
•
If the water level drops below E
4
for any reason, the pump
stops and the alarm sounds.
4
61F-G@P
Automatic Water Supply and Drainage
Control with Abnormal Water Increase
Alarm
Plug-in Type
61F-G2P
Dimensions:
Page 7
Automatic Water Supply with Abnormal Water Increase Alarm
Connections
Commercial Voltage
R S T
Automatic Drainage Control with Abnormal Water Increase Alarm
Connections
B
61F-G2P
Alarm
Commercial Voltage
R S T
B
61F-G2P
Alarm
MCCB
U
2
7
14
6
5
12
U
1
U
1
U
2
4
3
MCCB
U
2
7
14
6
5
12
U
1
U
1
U
2
4
3
0V
24 V
24 V
Control
circuit
Control
circuit
0V
24 V
24 V
Control
circuit
Control
circuit
Power
supply
8V
U
2
Power
supply
8V
U
2
8
9
15 10
1
11
2
8
9
15 10
1
11
2
Contac-
tor
Motor
protection
relay
(See note.)
PS-4S
Water supply source
Water
tank
E
1
E
4
Contac-
tor
Motor
protection
relay
(See note.)
PS-4S
Wastewater
tank
M
P
E
1
E
4
E
3
E
2
M
P
E
3
E
2
Reservoir
Note: Be sure to ground the common Electrode E
3
(the
longest Electrode).
Connection Sockets
14PFA (Front-connecting)
PL15 (Rear-connecting)
Note: Be sure to ground the common Electrode E
3
(the
longest Electrode).
Connection Sockets
14PFA (Front-connecting)
PL15 (Rear-connecting)
•
Connect terminal 8 to power supply terminal 9.
•
Connect terminal 14 to power supply terminal 9. (Terminal 8 is
not connected.)
•
The power supply depends on the specifications of the model.
Principles of Operation
Water
supply
E
4
Pump OFF
E
1
L
Upper
limit
B
Upper
limit
B
L
P
(U
1
indicator ON)
(U
2
indicator ON)
E
4
Pump ON
E
1
(U
1
indicator ON)
(U
2
indicator ON)
Pump ON
E
2
E
3
(U
2
indicator OFF)
Pump OFF
E
2
E
3
(U
2
indicator OFF)
P
Water drainage
•
The pump starts when the water level drops below E
2
and
stops when the water level reaches E
1
.
•
If the water level drops below E
4
for any reason, the pump
stops and the alarm sounds.
•
The pump starts when the water level reaches E
1
and stops
when the water level drops below E
2
.
•
If the water level drops below E
4
for any reason, the pump
stops and the alarm sounds.
5
Analog electronics
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