Omron K3FP Series User manual

Ultra-slim Signal Converter K3FP Series 1
Ultra-slim Signal Converter
K3FP Series
Complete Lineup of Ultra-slim, High-
performance Converters for Every
Application
• Ultra-slim 6.2-mm size.
Close mounting makes devices more compact.
• Easily wired and flexible with 8 terminal blocks.
• Multi-range I/O provides flexibility for the desired signal format.
• High-precision analog conversion with minimum current
consumption.
• Reduced wiring through power supply connection with DIN rail
bus connector (optional).
Product Selection
Product Model Input signal Output signal Power supply
voltage
Reference
page
3-Way Signal Isolator K3FP-YV-I-I 0 (4) to 20 mA DC 0 (4) to 20 mA DC 24 V DC 3
3-Way Signal Isolator K3FP-YV-U-U −10 (0) to 10 V DC −10 (0) to 10 V DC 24 V DC
3-Way Signal Isolator K3FP-VS-UI-UI 0 to 20 mA DC, 4 to 20 mA DC,
0 to 10 V DC, 2 to 10 V DC,
0 to 5 V DC, 1 to 5 V DC
(selected by DIP switch setting)
0 to 20 mA DC, 4 to 20 mA DC,
0 to 10 V DC, 2 to 10 V DC,
0 to 5 V DC, 1 to 5 V DC
(selected by DIP switch setting)
24 V DC 6
Dual Output 3-Way Signal
Isolator
K3FP-VS-UI-2I 0 to 20 mA DC, 4 to 20 mA DC,
0 to 10 V DC, 1 to 5 V DC
(selected by DIP switch setting)
0 to 20 mA DC, 4 to 20 mA DC
(selected by DIP switch setting)
24 V DC 10
Loop-powered Isolator
(1-channel)
K3FP-SN1-I-I 0 (4) to 20 mA DC 0 (4) to 20 mA DC --- 14
Loop-powered Isolator
(2-channel)
K3FP-SN2-I-I 0 (4) to 20 mA DC 0 (4) to 20 mA DC ---
Thermocouple Transducer K3FP-TS-UI Type J and K Thermocouples
(Conforms to IEC 60584-1)
(Input temperature range is
selected by DIP switch setting.)
0 to 20 mA DC, 4 to 20 mA DC,
20 to 0 mA DC, 20 to 4 mA DC,
0 to 5 V DC, 1 to 5 V DC,
0 to 10 V DC, 10 to 0 V DC
(selected by DIP switch setting)
24 V DC 17
RTD Transducer K3FP-RS-UI PT100 Platinum Resistance
Thermometer
(Conforms to IEC 60751)
(Input temperature range is
selected by DIP switch setting.)
0 to 20 mA DC, 4 to 20 mA DC,
20 to 0 mA DC, 20 to 4 mA DC,
0 to 5 V DC, 1 to 5 V DC,
0 to 10 V DC, 10 to 0 V DC
(selected by DIP switch setting)
24 V DC 23
Repeater Power Supply K3FP-DY-I-I 0 (4) to 20 mA DC 0 (4) to 20 mA DC 24 V DC 30
Limit Value Switch K3FP-SL-UI 0 to 20 mA DC, 0 to 10 V DC
(selected by DIP switch setting)
SPDT output 24 V DC 33

2Ultra-slim Signal Converter K3FP Series
Applications
External device
2-conductor
PT100
3-conductor
PT100
4-conductor
PT100
Width: Just 6.2 mm.
Data Logger
Alarm
indicator
Digital Panel Meter
Consider the following products for judging non-DC
signal inputs.
For AC current single-phase signal inputs: K8AB-AS
For AC voltage single-phase signal inputs:
K8AB-VS/K8AB-VW
For AC voltage three-phase signal inputs: K8AB-PW
For thermocouple and platinum resistance
thermometer sensor inputs: K8AB-TH
Select the number of conductors for the input platinum resistance
thermometer using the DIP switch on the side of the Unit.
Set any input range from −150°C to 850°C.
The input signal provides power for the Isolator, so power supply
capacity does not need to be considered when expanding Units:
No power line wiring is required.
This ultra-slim 6.2-mm Signal Converter can be installed in limited
space, such as where expansion is required, and help to reduce the
overall size of devices.
K3FP-RS-UI RTD Transducer
K3FP-VS-UI-UI
Dual Output 3-Way Signal Isolator
K3FP-VS-UI-2I K3FP-SL-UI Limit Value Switch
Install in Limited Space Isolators That Do Not Require Power Supply
K3FP Series
One-channel Passive Loop-powered Isolator
K3FP-SN1-I-I
Two-channel Passive Loop-powered Isolator
K3FP-SN2-I-I
Reduces Spare Parts Three- and four-conductor RTD Transducers
Isolated Duplicate Signal Output Limit Value Switches
Input and output ranges are
set using a DIP switch on
the side of the Unit.
Output signal
0 to 10 V DC
2 to 10 V DC
0 to 5 V DC
1 to 5 V DC
0 to 20 mA DC
4 to 20 mA DC
Input signal
0 to 10 V DC
2 to 10 V DC
0 to 5 V DC
1 to 5 V DC
0 to 20 mA DC
4 to 20 mA DC
4 to 20 mA DC
4 to 20 mA DC
Input signal
0 to 20 mA DC,
4 to 20 mA DC,
0 to 10 V DC,
1 to 5 V DC
(switch using
DIP switch)
Field device
For details, refer to Measuring and Monitoring Relays K8AB Series/
61F-D21T (Cat. No.: N141).
Page 33Page 10
Page 23Page 6
Page 14
Page 14
Note:
3-Way Signal Isolator

3-Way Signal Isolator K3FP-YV-I-I/K3FP-YV-U-U 3
3-Way Signal Isolator
K3FP-YV-I-I/K3FP-YV-U-U
6.2-mm Ultra-slim Isolator
• Isolates between input, output, and power supply. 1,500 V AC
dielectric strength.
• Close mounting.
• CE Marking compliant.
• UL certified.
Refer to Common Precautions on page 38.
Ordering Information
■Isolator
■Optional Products
Model Number Structure
DC Current Isolator
1. Model
2. Input or output signal
Current input
I: 0 (4) to 20 mA DC
Current output
I: 0 (4) to 20 mA DC
DC Voltage Isolator
1. Model
2. Input or output signal
Voltage input
U: −10 (0) to 10 V DC
Voltage output
U: −10 (0) to 10 V DC
Ratings and Specifications
■Ratings and Specifications
Name Model
DC Current Isolator K3FP-YV-I-I
DC Voltage Isolator K3FP-YV-U-U
Name Model
DIN rail bus connector K3FP-1
12
K3FP-YV-I-I
12
K3FP-YV-U-U
Item Model K3FP-YV-I-I K3FP-YV-U-U
Supply voltage 24 V DC
Allowable supply
voltage range
80% to 125% of rated supply voltage
Current consumption 20 mA DC max. 10 mA DC max.
Power consumption 450 mW max. 200 mW max.
Error ±0.1% FS max.
Temperature
coefficient
Maximum: 0.01%/°C max.,
Typical: 0.002%/°C max. (at 23°C)
Cut-off frequency 100 Hz
Response time
(10% to 90%)
3.5 ms max.
Insulation resistance 10 MΩmin. between inputs, outputs, and
power supply (at 500 V DC)
Dielectric strength 1,500 V AC, 50 Hz, 1 min (between inputs,
outputs, and power supply)
Noise resistance Conforms to IEC 61000
Ambient operating
temperature
−20 to 65°C
Ambient storage
temperature
−40 to 85°C
Ambient operating
humidity
95% max. (with no condensation)
0
4
8
12
16
20
4 8 12 16 20
Input current (mA) Input voltage (V)
−10
10
0
−10
100
K3FP-YV-I-I K3FP-YV-U-U
Output current (mA)
Output voltage (V)

43-Way Signal Isolator K3FP-YV-I-I/K3FP-YV-U-U
■Input Specifications
■Output Specifications
Nomenclature
Ambient storage
humidity
95% max. (with no condensation)
Connection method Screw connections (M3)
Tightening torque 0.5 N·m
Connecting
cable
Solid
wire
0.14 to 2.5 mm2
Stranded
wire
0.2 to 2.5 mm2
AWG 24 to 12
Wire
stripping
length
12 mm
Degree of protection IP20
Housing material PBT
Weight 55 g
Safety standards UL 508
EMC EMI:
Radiated EMI: EN 55011
EMS:
ESD immunity: EN 61000-4-2
Rated electromagnetic field immunity:
EN 61000-4-3
Burst immunity: EN 61000-4-4
Surge immunity: EN 61000-4-5
Conducted disturbance immunity:
EN 61000-4-6
Item Model K3FP-YV-I-I K3FP-YV-U-U
Input signal
Item
0 (4) to 20 mA DC −10 (0) to 10 V DC
Input impedance Approx. 50 ΩApprox. 100 kΩ
Max. input signal 50 mA 30 V
Output signal
Item
0 (4) to 20 mA DC −10 (0) to 10 V DC
Allowable load
impedance
500 Ωmax. 10 kΩmin.
Max. output signal 28 mA 12.5 V
Non-load voltage 12.5 V max. ---
Short-circuit
current
--- 22 mA max.
Ripple 20 mV pp max. (500 Ω) 20 mV pp max.
Span adjustment
range
±0.5%
1
2 Input signals
3
4 Supply voltage
7
8 Supply voltage
5
6 Output signals
Translucent cover
Snap for mounting DIN rail
DIN rail bus connection
Potentiometer for adjustment
Note: The potentiometer is for adjustment at the factory. Do not adjust the potentiometer.

3-Way Signal Isolator K3FP-YV-I-I/K3FP-YV-U-U 5
Connections
■Internal Block Diagram
Dimensions
Note: All units are in millimeters unless otherwise indicated.
Precautions
Refer to pages 38 and 39 for common precautions.
1
2
3
4
5
6
7
K3FP-1
8
Input signal
Supply voltage
−
+
−
+
−
+
−
+
Output signal
Supply voltage
93.1 6.2
102.5
K3FP-YV-I-I
K3FP-YV-U-U
Note: 1. Use solid wire with a diameter
of 2.5 mm2max. or bar
terminals with insulation
sleeves for terminal
connections.
To preserve dielectric strength
after connection, the length of
the exposed conductive part
inserted into the terminal must
be 12 mm max.
2. Screw Tightening Torque
Recommended torque:
0.5 N·m
12 mm max. 12 mm max.
For 2.5-mm2(max.)
solid wire:
For bar terminals with
insulation sleeves:

63-Way Signal Isolator K3FP-VS-UI-UI
3-Way Signal Isolator
K3FP-VS-UI-UI
6.2-mm Ultra-slim Isolator with 36 Input and
Output Combinations.
• Input and output ranges can be easily changed using an
external DIP switch.
• Isolates between input, output, and power supply. 1,500 V AC
dielectric strength.
• Close mounting.
• CE Marking compliant.
• UL certified.
Refer to Common Precautions on page 38.
Ordering Information
■Isolator
■Optional Products
Model Number Structure
1. Model
2. Input signal
UI: 0 to 20 mA DC, 4 to 20 mA DC, 0 to 10 V DC, 2 to 10 V DC,
0 to 5 V DC, 1 to 5 V DC (selected by DIP switch setting)
3. Output signal
UI: 0 to 20 mA DC, 4 to 20 mA DC, 0 to 10 V DC, 2 to 10 V DC,
0 to 5 V DC, 1 to 5 V DC (selected by DIP switch setting)
Ratings and Specifications
■Ratings and Specifications
Name Model
3-Way Signal Isolator K3FP-VS-UI-UI
Name Model
DIN rail bus connector K3FP-1
123
K3FP-VS-UI-UI
Supply voltage 24 V DC
Allowable supply
voltage range
80% to 125% of rated supply voltage
Current consumption 20 mA DC max.
Power consumption 450 mW max.
Error ±0.1% FS max.
Temperature
coefficient
0.01%/°C max. (at 23°C)
Cut-off frequency 100 Hz
Response time
(10% to 90%)
3.5 ms max.
Insulation resistance 10 MΩmin. between inputs, outputs, and
power supply (at 500 V DC)
Dielectric strength 1,500 V AC, 50 Hz, 1 min (between inputs,
outputs, and power supply)
Noise resistance Conforms to IEC 61000
Ambient operating
temperature
−20 to 65°C
Ambient storage
temperature
−40 to 85°C
Ambient operating
humidity
95% max. (with no condensation)
Ambient storage
humidity
95% max. (with no condensation)
Connection method Screw connections (M3)
Tightening torque 0.5 N·m

3-Way Signal Isolator K3FP-VS-UI-UI 7
■Input Specifications
■Output Specifications
Dimensions
Note: All units are in millimeters unless otherwise indicated.
Connecting
cable
Solid
wire
0.14 to 2.5 mm2
Stranded
wire
0.2 to 2.5 mm2
AWG 24 to 12
Wire
stripping
length
12 mm
Degree of protection IP20
Housing material PBT
Weight 55 g
Safety standards UL 508
EMC EMI:
Radiated EMI: EN 55011
EMS:
ESD immunity: EN 61000-4-2
Rated electromagnetic field immunity:
EN 61000-4-3
Burst immunity: EN 61000-4-4
Surge immunity: EN 61000-4-5
Conducted disturbance immunity:
EN 61000-4-6
Input signal
Item
0 to 20 mA DC,
4 to 20 mA DC
0 to 10 V DC,
2 to 10 V DC,
0 to 5 V DC,
1 to 5 V DC
Input impedance Approx. 50 ΩApprox. 100 kΩ
Max. input signal 50 mA 30 V
Output signal
Item
0 to 20 mA DC,
4 to 20 mA DC
0 to 10 V DC,
2 to 10 V DC,
0 to 5 V DC,
1 to 5 V DC
Allowable load
impedance
500 Ωmax. 10 kΩmin.
Max. output signal 28 mA 12.5 V
Non-load voltage 12.5 V max. ---
Short-circuit
current
--- 22 mA max.
Ripple 20 mV pp max. (500 Ω) 20 mV pp max.
Span adjustment
range
±0.5%
DIP switch S1
DIP switch S2
1
2 Input signals
3
4 Supply voltage
7
8 Supply voltage
5
6 Output signals
Translucent cover
Snap for mounting DIN rail
DIN rail bus connection
Potentiometer for adjustment

83-Way Signal Isolator K3FP-VS-UI-UI
DIP Switch Settings
All DIP switches are turned OFF at shipment. Set input and output signals using DIP switches S1 and S2.
SWITCH DIP switch S2 DIP switch S1
ON ●↑
OFF ❍↓
12345612
Input signal Output signal
0 to 10 V 0 to 20 mA ❍❍❍❍❍❍❍❍
4 to 20 mA ❍❍❍❍❍● ❍❍
0 to 10 V ● ❍● ❍❍❍❍❍
2 to 10 V ●❍●❍❍●❍❍
0 to 5 V ●● ❍❍❍❍❍❍
1 to 5 V ●● ❍❍❍● ❍❍
2 to 10 V 0 to 20 mA ❍❍❍●● ❍❍❍
4 to 20 mA ❍❍❍❍❍❍❍❍
0 to 10 V ● ❍● ● ● ❍❍❍
2 to 10 V ● ❍● ❍❍❍❍❍
0 to 5 V ●● ❍●● ❍❍❍
1 to 5 V ●● ❍❍❍❍❍❍
0 to 5 V 0 to 20 mA ❍❍❍❍❍❍● ❍
4 to 20 mA ❍❍❍❍❍● ● ❍
0 to 10 V ●❍●❍❍❍●❍
2 to 10 V ●❍●❍❍●●❍
0 to 5 V ●● ❍❍❍❍● ❍
1 to 5 V ●●❍❍❍●●❍
1 to 5 V 0 to 20 mA ❍❍❍●●❍●❍
4 to 20 mA ❍❍❍❍❍❍● ❍
0 to 10 V ●❍●●●❍●❍
2 to 10 V ●❍●❍❍❍●❍
0 to 5 V ●●❍●●❍●❍
1 to 5 V ●● ❍❍❍❍● ❍
0 to 20 mA 0 to 20 mA ❍❍❍❍❍❍❍●
4 to 20 mA ❍❍❍❍❍● ❍●
0 to 10 V ● ❍● ❍❍❍❍●
2 to 10 V ●❍●❍❍●❍●
0 to 5 V ●● ❍❍❍❍❍●
1 to 5 V ●● ❍❍❍● ❍●
4 to 20 mA 0 to 20 mA ❍❍❍● ● ❍❍●
4 to 20 mA ❍❍❍❍❍❍❍●
0 to 10 V ●❍●●●❍❍●
2 to 10 V ● ❍● ❍❍❍❍●
0 to 5 V ● ● ❍● ● ❍❍●
1 to 5 V ●● ❍❍❍❍❍●

3-Way Signal Isolator K3FP-VS-UI-UI 9
Connections
■Internal Block Diagram
Dimensions
Note: All units are in millimeters unless otherwise indicated.
Precautions
Refer to pages 38 and 39 for common precautions.
■Precautions for Correct Use
Potentiometer
•The potentiometer for adjustment located under the translucent
cover can be used to make fine adjustments of analog signals after
DIP switch settings have been changed.
•The error when no adjustments have been made is less than 0.4%
but if the potentiometer for adjustment is used, the error can be
reduced to less than 0.1%.
1
2
3
4
5
6
7
K3FP-1
8
Input signal
Supply voltage
−
+
−
+
−
+
−
+
Output signal
Supply voltag
e
93.1 6.2
102.5
K3FP-VS-UI-UI Note: 1. Use solid wire with a diameter
of 2.5 mm2max. or bar
terminals with insulation
sleeves for terminal
connections.
To preserve dielectric strength
after connection, the length of
the exposed conductive part
inserted into the terminal must
be 12 mm max.
2. Screw Tightening Torque
Recommended torque:
0.5 N·m
12 mm max. 12 mm max.
For 2.5-mm2(max.)
solid wire:
For bar terminals with
insulation sleeves:

10 Dual Output 3-Way Signal Isolator K3FP-VS-UI-2I
Dual Output 3-Way Signal Isolator
K3FP-VS-UI-2I
6.2-mm Ultra-slim Dual Output 3-Way Signal
Isolator
• Outputs two isolated signals.
• Isolated between input, output 1, output 2, and between power
supply. 1,500 V AC dielectric strength.
• Close mounting.
• CE Marking compliant.
• UL certified.
Refer to Common Precautions on page 38.
Ordering Information
■Isolator
■Optional Products
Model Number Structure
1. Model
2. Input signal
UI: 0 to 20 mA DC, 4 to 20 mA DC, 0 to 10 V DC, 1 to 5 V DC (select
using DIP switch)
3. Output signal
2I: 0 to 20 mA DC, 4 to 20 mA DC (select using DIP switch)
Ratings and Specifications
■Ratings and Specifications
Name Model
Dual Output 3-Way Signal Isolator K3FP-VS-UI-2I
Name Model
DIN rail bus connector K3FP-1
123
K3FP-VS-UI-2I
Supply voltage 24 V DC
Allowable supply
voltage range
80% to 125% of rated supply voltage
Current consumption 30 mA DC max.
Power consumption 600 mW max.
Error ±0.2% FS max., Typ. ±0.1% FS max.
Temperature
coefficient
Maximum: 0.01%/°C max.,
Typical: 0.004%/°C max. (at 23°C)
Cut-off frequency 35 Hz
Response time
(10% to 90%)
10 ms max.
Insulation resistance 10 MΩmin. between inputs, outputs, and
power supply (at 500 V DC)
Dielectric strength 1,500 V AC, 50 Hz, 1 min (between inputs,
outputs, and power supply)
Noise resistance Conforms to IEC 61000
Ambient operating
temperature
−20 to 65°C
Ambient storage
temperature
−40 to 85°C
Ambient operating
humidity
95% max. (with no condensation)
Ambient storage
humidity
95% max. (with no condensation)
Connection method Screw connections (M3)
Tightening torque 0.5 N·m

Dual Output 3-Way Signal Isolator K3FP-VS-UI-2I 11
■Input Specifications
■Output Specifications
Nomenclature
Connecting
cable
Solid
wire
0.14 to 2.5 mm2
Stranded
wire
0.2 to 2.5 mm2
AWG 24 to 12
Wire
stripping
length
12 mm
Degree of protection IP20
Housing material PBT
Weight 54 g
Safety standards UL 508
EMC EMI:
Radiated EMI: EN 55011
EMS:
ESD immunity: EN 61000-4-2
Rated electromagnetic field immunity:
EN 61000-4-3
Burst immunity: EN 61000-4-4
Surge immunity: EN 61000-4-5
Conducted disturbance immunity:
EN 61000-4-6
Input signal
Item
0 to 20 mA DC,
4 to 20 mA DC
0 to 10 V DC,
1 to 5 V DC
Input impedance Approx. 50 ΩApprox. 100 kΩ
Max. input signal 50 mA 30 V
Output signal
Item
0 to 20 mA DC, 4 to 20 mA DC
Allowable load
impedance
250 Ωmax.
Max. output signal 22 mA
Non-load voltage ---
Short-circuit current ---
Ripple 20 mV pp max. (500 Ω)
Diagnostics indicator (red)
3
4 Output 2 signal
5
6 Output 1 signal
DIP switch S1
1
2 Input signals
7
8 Supply voltage
Translucent cover
Snap for mounting DIN rail
DIN rail bus connection

12 Dual Output 3-Way Signal Isolator K3FP-VS-UI-2I
DIP Switch Settings
All DIP switches are turned OFF at shipment. DIP switch S1 is used
to select input and output signals and analog output limit operation.
Note: Do not turn ON both pins 5 and 6 at the same time on DIP
switch S1.
Analog Output Operation
Setting Example for 1 to 5-V Input and 4 to 20-mA Output:
Note: The following table shows the output values that are held when
the measurement range is exceeded while the limit function is
enabled for analog outputs (i.e., pin 4 on DIP switch S1 turned
ON).
Connections
■Internal Block Diagram
SWITCH DIP switch S1
ON ●↑
OFF ❍↓
123456
Input signal
0 to 10 V ❍❍❍
1 to 5 V ❍● ❍
0 to 20 mA ●❍●
4 to 20 mA ●●●
Analog output limit operation
Limit function disabled ❍
Limit function enabled ●
Output 1 signal Output 2 signal
0 to 20 mA 0 to 20 mA ❍❍
0 to 20 mA 4 to 20 mA ●❍
4 to 20 mA 4 to 20 mA ❍●
--- --- ●●
Output signal
selection
Below measurement
range
Above measurement
range
0 to 20 mA The output signal is held
at 0 mA.
The diagnostics indicator
is lit (red) if the analog
output is 20.5 mA or
higher.
The output signal is held
at 20.5 mA.
4 to 20 mA The output signal is held
at 4 mA.
The diagnostics indicator
is lit (red) if the analog
output is 3.5 mA or lower.
The diagnostics indicator
is lit (red) if the analog
output is 20.5 mA or
higher.
The output signal is held
at 20.5 mA.
(mA)
23
Output: 4 to 20 mA
Below normal
operating range
Normal operating range Above normal
operating range
Analog operation
(less than 23 mA)
Limit (20.5 mA)
Input: 1 to 5 V
20
10
4
0 12345
(V)
K3FP-1
1
2
3
4
Input signal
Output 2 signal
−
+
−
+
5
6
7
8
−
+
−
+
Output 1 signal
Supply voltage

Dual Output 3-Way Signal Isolator K3FP-VS-UI-2I 13
Dimensions
Note: All units are in millimeters unless otherwise indicated.
Precautions
Refer to pages 38 and 39 for common precautions.
■Precautions for Correct Use
Diagnostics Indicator
The diagnostics indicator (LED) inside the translucent cover lights
when the input or output signal exceed the set range while the limit
function is enabled (i.e., pin 4 on DIP switch S1 turned ON).
The diagnostics indicator flashes to indicate parameter memory
errors. If this occurs, the Unit must be inspected at the factory.
93.1 6.2
102.5
K3FP-VS-UI-2I Note: 1. Use solid wire with a diameter
of 2.5 mm2max. or bar
terminals with insulation
sleeves for terminal
connections.
To preserve dielectric strength
after connection, the length of
the exposed conductive part
inserted into the terminal must
be 12 mm max.
2. Screw Tightening Torque
Recommended torque:
0.5 N·m
12 mm max. 12 mm max.
For 2.5-mm2(max.)
solid wire:
For bar terminals with
insulation sleeves:

14 Loop-powered Isolator K3FP-SN1-I-I/K3FP-SN2-I-I
Loop-powered Isolator
K3FP-SN1-I-I/K3FP-SN2-I-I
6.2-mm Ultra-slim Loop-powered Isolator
• Draws the power required to drive the amplifier from the input
current signal.
• Isolated between input and output. 1,500 V AC dielectric
strength.
• Close mounting.
• CE Marking compliant.
• UL certified.
Refer to Common Precautions on page 38.
Ordering Information
■Isolator
■Optional Products
Model Number Structure
1. Model
SN1: Channel 1
SN2: Channel 2
2. Input signal
I: 0 (4) to 20 mA DC
3. Output signal
I: 0 (4) to 20 mA DC
Ratings and Specifications
■Ratings and Specifications
Name I/O signal Model
Loop-powered
Isolator
Channel 1 K3FP-SN1-I-I
Channel 2 K3FP-SN2-I-I
Name Model
DIN rail bus connector K3FP-1
123
K3FP-SN1-I-I
K3FP-SN2-I-I
0
4
8
12
16
20
4 8 12 16 2
0
In
p
ut current
(
mA
)
K3FP-SN@-I-I
Output current (mA)
Item Model K3FP-SN1-I-I K3FP-SN2-I-I
Error ±0.1% FS max.
Other error per 100-Ω
load
±0.03% of measured value max.
Temperature
coefficient per 100-Ω
load
±0.002% of measured value max. (at 23°C)
Cut-off frequency 75 Hz (3 dB)
Response time (10%
to 90%)
5 ms max. (for a 600-Ωload)
Insulation resistance 10 MΩmin. between inputs, outputs, and
power supply (at 500 V DC)
Dielectric strength 1,500 V AC, 50 Hz, 1 min (between inputs,
outputs, and power supply)
Noise resistance Conforms to IEC 61000
Ambient operating
temperature
−20 to 65°C
Ambient storage
temperature
−40 to 85°C
Ambient operating
humidity
95% max. (with no condensation)
Ambient storage
humidity
95% max. (with no condensation)
Connection method Screw connections (M3)
Tightening torque 0.5 N·m

Loop-powered Isolator K3FP-SN1-I-I/K3FP-SN2-I-I 15
■Input Specifications
■Output Specifications
Nomenclature
Connections
■Internal Block Diagram
K3FP-SN1-I-I
K3FP-SN2-I-I
Connecting
cable
Solid
wire
0.14 to 2.5 mm2
Stranded
wire
0.2 to 2.5 mm2
AWG 24 to 12
Wire
stripping
length
12 mm
Degree of protection IP20
Housing material PBT
Weight 54 g 58 g
Safety standards UL 508
EMC EMI:
Radiated EMI: EN 55011
EMS:
ESD immunity: EN 61000-4-2
Rated electromagnetic field immunity:
EN 61000-4-3
Burst immunity: EN 61000-4-4
Surge immunity: EN 61000-4-5
Conducted disturbance immunity:
EN 61000-4-6
Item Model K3FP-SN1-I-I K3FP-SN2-I-I
Item Input signal 0 to 20 mA DC, 4 to 20 mA DC
Input impedance Changes depending on the load on the
output side.
Response current Approx. 150 µA
Voltage drop Approx. 1.7 V (at I = 20 mA)
Max. input current/
overload
40 mA
Max. input voltage/
overload
18 V
Item Output signal 0 to 20 mA DC, 4 to 20 mA DC
Allowable load
impedance
600 Ωmax. (at I = 20 mA)
Ripple 10 mVeff max.
1
2 Input signal
Snap for mounting DIN rail
5
6 Output signal
3
4 Input 2 signal
1
2 Input 1 signal
5
6 Output 1 signal
7
8 Output 2 signal
K3FP-SN1-I-I
K3FP-SN2-I-I
Translucent cover
1
2
5
6
Input signal
−
+
−
+
Output signal
1
2
5
6
−
+
−
+
Output 1 signal
3
4
7
8
Input 1 signal
Input 2 signal
−
+
−
+
Output 2 signal

16 Loop-powered Isolator K3FP-SN1-I-I/K3FP-SN2-I-I
Dimensions
Note: All units are in millimeters unless otherwise indicated.
Precautions
Refer to pages 38 and 39 for common precautions.
■Precautions for Correct Use
Operation
Passive Loop-powered Isolators draw the power required for isolation
from the input signal.
Here, you must confirm that the current sourcing voltage of the
measuring transducer UBis sufficient to drive the maximum current
of 20 mA via the Loop-powered Isolator with a voltage drop UVof
1.7 V and a load RB.
Thus:
UB≥UE= 1.7 V + 20 mA ×RB
93.1 6.2
102.5
K3FP-SN1-I-I
K3FP-SN2-I-I
Note: 1. Use solid wire with a diameter
of 2.5 mm2max. or bar
terminals with insulation
sleeves for terminal
connections.
To preserve dielectric strength
after connection, the length of
the exposed conductive part
inserted into the terminal must
be 12 mm max.
2. Screw Tightening Torque
Recommended torque:
0.5 N·m
12 mm max. 12 mm max.
For 2.5-mm2(max.)
solid wire:
For bar terminals with
insulation sleeves:
UV= 1.7 V
K3FP-SN1-I-I

Thermocouple Transducer K3FP-TS-UI 17
Thermocouple Transducer
K3FP-TS-UI
6.2-mm Ultra-slim Thermocouple Transducer
• Converts measured values for type J and K thermocouple
sensors into analog signals.
• Measurement range can be set between −150 and 1,350°C.
• Isolates between input, output, and power supply. 1,500 V AC
dielectric strength.
• Close mounting.
• CE Marking compliant.
• UL certified.
Refer to Common Precautions on page 38.
Ordering Information
■Thermocouple Transducer
■Optional Products
Model Number Structure
1. Model
Type J and K Thermocouples
(Conforms to IEC 60584-1)
2. Output signal
UI: 0 to 20 mA DC, 4 to 20 mA DC,
20 to 0 mA DC, 20 to 4 mA DC,
0 to 5 V DC, 1 to 5 V DC,
0 to 10 V DC, 10 to 0 V DC
(selected by DIP switch setting)
Ratings and Specifications
■Ratings and Specifications
Name Model
Thermocouple Transducer K3FP-TS-UI
Name Model
DIN rail bus connector K3FP-1
12
K3FP-TS-UI
Supply voltage 24 V DC
Allowable supply
voltage range
80% to 125% of rated supply voltage
Current consumption 25 mA DC max.
Power consumption 500 mW max.
Error (See note.) Over maximum measurement span: ±0.2%
max.
Over set measurement span: ((150 K/set
measurement span [K]) ±0.1)%
Temperature
coefficient
Max. 0.02%/°C max. (at 23°C)
Cold junction error 3 K (average 2 K)
Response time
(0% to 99%)
30 ms max.
Insulation resistance 10 MΩmin. between inputs, outputs, and
power supply (at 500 V DC)
Dielectric strength 1,500 V AC, 50 Hz, 1 min (between inputs,
outputs, and power supply)
Noise resistance Conforms to IEC 61000
Ambient operating
temperature
−20 to 65°C
Ambient storage
temperature
−40 to 85°C
Ambient operating
humidity
95% max. (with no condensation)
Ambient storage
humidity
95% max. (with no condensation)
Connection method Screw connections (M3)
Tightening torque 0.5 N·m

18 Thermocouple Transducer K3FP-TS-UI
Note: K is the abbreviation for Kelvin, the unit for absolute
temperature.
■Input Specifications
Note: Set the start and end temperatures using the DIP switch to
50°C or higher.
■Output Specifications
Nomenclature
Connecting
cable
Solid
wire
0.14 to 2.5 mm2
Stranded
wire
0.2 to 2.5 mm2
AWG 24 to 12
Wire
stripping
length
12 mm
Degree of protection IP20
Housing material PBT
Weight 54 g
Safety standards UL 508
EMC EMI:
Radiated EMI: EN 55011
EMS:
ESD immunity: EN 61000-4-2
Rated electromagnetic field immunity:
EN 61000-4-3
Burst immunity: EN 61000-4-4
Surge immunity: EN 61000-4-5
Conducted disturbance immunity:
EN 61000-4-6
Input signal
Item
Type J and K Thermocouples
(Conforms to IEC 60584-1)
Measurement range J: −150 to 1,200°C
K: −150 to 1,350°C
Minimum
measurement span
(See note.)
Min. 50°C
Max. input signal 30 V
Output signal
Item
0 to 20 mA DC,
4 to 20 mA DC,
20 to 0 mA DC,
20 to 4 mA DC
0 to 5 V DC,
1 to 5 V DC,
0 to 10 V DC,
10 to 0 V DC
Allowable load
impedance
500 Ωmax. 10 kΩmin.
Max. output signal 23 mA 12.5 V
Non-load voltage 12.5 V max. ---
Short-circuit current --- 10 mA
Ripple 20 mV pp max.
(500 Ω)
20 mV pp max.
Operation during
sensor faults
0% to 105%
7
8 Supply voltage
5
6 Output signals
Translucent cover
Snap for mounting DIN rail
DIN rail bus connection
Diagnostics indicator (red)
DIP switch S3
DIP switch S2
DIP switch S1
2
3 Inputs: Type J or K thermocouple senso
r

Thermocouple Transducer K3FP-TS-UI 19
DIP Switch Settings
All DIP switches are turned OFF at shipment.
DIP Switch S1
DIP switch S1 is used to set the thermocouple type, cold junction
compensation enable/disable, output signal range, and the start of
the measurement range.
DIP Switch S3
DIP switch S3 is used to select the current output and voltage output
for output signals.
SWITCH DIP switch S1
ON ●↑
OFF ❍↓
12345678
Thermocouple type
Type J ❍
Type K ●
Cold junction
compensation
enable/disable
Enabled ●
Disabled ❍
Output signal range
0 to 20 mA ❍❍❍
20 to 0 mA ●❍❍
4 to 20 mA ❍● ❍
20 to 4 mA ●●❍
0 to 10 V ❍❍●
10 to 0 V ●❍●
0 to 5 V ❍● ●
1 to 5 V ●●●
Start temperature
[°C] [°F]
032 ❍❍❍
−10 14 ●❍❍
−20 −4❍● ❍
−30 −22 ●●❍
−40 −40 ❍❍●
−50 −58 ●❍●
−100 −148 ❍● ●
−150 −238 ●●●
SWITCH DIP switch S3
ON ●↑
OFF ❍↓
12
Output signal
0 to 20 mA
●❍
20 to 0 mA
4 to 20 mA
20 to 4 mA
0 to 10 V
❍●
10 to 0 V
0 to 5 V
1 to 5 V

20 Thermocouple Transducer K3FP-TS-UI
DIP Switch S2
DIP switch S2 is used to select the measurement range end value and output status for errors.
Note: Type J supports up to 1,200°C and type K supports up to 1,350°C.
SWITCH DIP switch S2
ON ●↑
OFF ❍↓
12345678
End temperature
[°C] [°F]
032❍❍❍❍❍❍
10 50 ● ❍❍❍❍❍
20 68 ❍● ❍❍❍❍
30 86 ●● ❍❍❍❍
40 104 ❍❍● ❍❍❍
50 122 ●❍●❍❍❍
60 140 ❍● ● ❍❍❍
70 158 ●●●❍❍❍
80 176 ❍❍❍● ❍❍
90 194 ●❍❍●❍❍
100 212 ❍● ❍● ❍❍
110 230 ●●❍● ❍❍
120 248 ❍❍●● ❍❍
130 266 ●❍●●❍❍
140 284 ❍● ● ● ❍❍
150 302 ●●●●❍❍
160 320 ❍❍❍❍● ❍
170 338 ● ❍❍❍● ❍
180 356 ❍● ❍❍● ❍
190 374 ●●❍❍●❍
200 392 ❍❍●❍●❍
210 410 ●❍●❍●❍
220 428 ❍●●❍●❍
230 446 ●●●❍● ❍
240 464 ❍❍❍●● ❍
250 482 ●❍❍●●❍
260 500 ❍● ❍● ● ❍
270 518 ●●❍●● ❍
280 536 ❍❍●●● ❍
290 554 ●❍●●●❍
300 572 ❍● ● ● ● ❍
320 608 ●●●●●❍
Output status for
errors
A❍❍
B●❍
C❍●
D●●
SWITCH DIP switch S2
ON ●↑
OFF ❍↓
12345678
End temperature
[°C] [°F]
340 644 ❍❍❍❍❍●
360 680 ●❍❍❍❍●
380 716 ❍● ❍❍❍●
400 752 ●●❍❍❍●
420 788 ❍❍● ❍❍●
440 824 ●❍●❍❍●
460 860 ❍● ● ❍❍●
480 896 ●●●❍❍●
500 932 ❍❍❍● ❍●
520 968 ● ❍❍● ❍●
540 1004 ❍● ❍● ❍●
560 1040 ● ● ❍● ❍●
580 1076 ❍❍●● ❍●
600 1112 ●❍●●❍●
620 1148 ❍● ● ● ❍●
640 1184 ●●●● ❍●
660 1220 ❍❍❍❍● ●
680 1256 ●❍❍❍●●
700 1292 ❍● ❍ ❍● ●
750 1382 ●●❍❍●●
800 1472 ❍❍● ❍● ●
850 1562 ●❍●❍●●
900 1652 ❍● ● ❍● ●
950 1742 ●●● ❍●●
1000 1832 ❍❍❍● ● ●
1050 1922 ●❍❍●●●
1100 2012 ❍● ❍● ● ●
1150 2102 ●●❍●●●
1200 2192 ❍❍● ●● ●
1250 (See
note.)
2282 ●❍●●●●
1300 (See
note.)
2372 ❍● ● ● ● ●
1350 (See
note.)
2462 ●●●●●●
Output status for
errors
A❍❍
B●❍
C❍●
D●●
This manual suits for next models
10
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