UINICS SP2441 Series User manual

【 Ｏperation Ｍanual 】
Compact digital meter
MODEL : SP2441 Ｓeries
(Pulse input type)
Series name Output Input Function
SP2441
Sensor power : DC12V 50mA MAX
Power source : DC power supply(DC24V)
Preset output : NPN open collector(×2)
Input signal : NPN open collector(×1)
Color : Black
P1 Preset output one points
(1c contact relay output)
AI Analog current output (DC4-20mA)
AV3 Analog voltage output (DC1-5V)
AV4 Analog voltage output (DC0-5V)
AV5 Analog voltage output (DC0-10V)
F Voltage pulse input
F2 Current pulse input
！ Caution
For professional use only or designed for use by a licensed electrician only.
！ Caution
Check if the label (model name) of the unit and your desired product
specification correspond before use.
【 The 3rd edition 21 Aug. 2020 】
@SP2441CE(3)-E

P
recautions
Please read this Operation Manual including the following precautions carefully to ensure
s
1. Perform wiring with the power off. There is a risk of
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
4. Do not use the product where t
5. In the event of a product failure or abnormality, build an emergency stop or
1. Use the power supply
2. Do not use in the following environments.
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
4. Check regular
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
6
7. Keep the product and wiring away from noise sources.
8.
9
10
1
1
Product Description

recautions
Please read this Operation Manual including the following precautions carefully to ensure
s
afe
use of your meter.
Warning
1. Perform wiring with the power off. There is a risk of
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
fire.
4. Do not use the product where t
5. In the event of a product failure or abnormality, build an emergency stop or
fail-
safe system to ensure safety.
Caution
1. Use the power supply
2. Do not use in the following environments.
・
A place exposed to metal powder, dust, water, chemicals, oil, etc.
・
A place with corrosive gas
・
Outdoor use and places exposed to direct sunlight
・
Locations wher
・
Temperature and humidity outside the rated range
・
Locations subject to vibration or impact
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
the product. There is a risk of failure or fire.
4. Check regular
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
immediately turn off the power and stop using it.
6
.
Install the switch or circuit
in an emergency.
Please indicate that it is a device shut
7. Keep the product and wiring away from noise sources.
8.
If there is a possibility of invasion the lightning surges,
install countermeasure parts
9
. It can be used almost at the same time as the power is turned on, but itrequires
30 minutes of power to satisfy all performance requirements.
10
. When
cleaning, wipe with a dry cloth
such as b
1
.
If the waterproof packing is used in a deteriorated state, the waterproof and
dustproof function will be impaired. Inspect and trade it periodically.
Product Description
With the panel mounted, the front has been protected by grade IP66. dust and
water resistant products.
recautions
Please read this Operation Manual including the following precautions carefully to ensure
use of your meter.
Warning
:
Content
1. Perform wiring with the power off. There is a risk of
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
4. Do not use the product where t
5. In the event of a product failure or abnormality, build an emergency stop or
safe system to ensure safety.
Caution
:
Contents that may cause minor injury or property damage.
1. Use the power supply
2. Do not use in the following environments.
A place exposed to metal powder, dust, water, chemicals, oil, etc.
A place with corrosive gas
Outdoor use and places exposed to direct sunlight
Locations wher
Temperature and humidity outside the rated range
Locations subject to vibration or impact
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
the product. There is a risk of failure or fire.
4. Check regular
ly for any malfunctions or abnormalities.
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
immediately turn off the power and stop using it.
Install the switch or circuit
in an emergency.
Please indicate that it is a device shut
7. Keep the product and wiring away from noise sources.
If there is a possibility of invasion the lightning surges,
install countermeasure parts
. It can be used almost at the same time as the power is turned on, but itrequires
30 minutes of power to satisfy all performance requirements.
cleaning, wipe with a dry cloth
such as b
enzine, thinner or alcohol.
If the waterproof packing is used in a deteriorated state, the waterproof and
dustproof function will be impaired. Inspect and trade it periodically.
Product Description
With the panel mounted, the front has been protected by grade IP66. dust and
water resistant products.
Please read this Operation Manual including the following precautions carefully to ensure
use of your meter.
Content
s
that may cause death or serious injury.
1. Perform wiring with the power off. There is a risk of
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
4. Do not use the product where t
5. In the event of a product failure or abnormality, build an emergency stop or
safe system to ensure safety.
Contents that may cause minor injury or property damage.
1. Use the power supply
voltage and load within the specified range.
2. Do not use in the following environments.
A place exposed to metal powder, dust, water, chemicals, oil, etc.
A place with corrosive gas
Outdoor use and places exposed to direct sunlight
Locations wher
e condensation occurs
Temperature and humidity outside the rated range
Locations subject to vibration or impact
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
the product. There is a risk of failure or fire.
ly for any malfunctions or abnormalities.
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
immediately turn off the power and stop using it.
Install the switch or circuit
breaker in a position where it can be
Please indicate that it is a device shut
7. Keep the product and wiring away from noise sources.
If there is a possibility of invasion the lightning surges,
install countermeasure parts
. It can be used almost at the same time as the power is turned on, but itrequires
30 minutes of power to satisfy all performance requirements.
cleaning, wipe with a dry cloth
enzine, thinner or alcohol.
If the waterproof packing is used in a deteriorated state, the waterproof and
dustproof function will be impaired. Inspect and trade it periodically.
Product Description
With the panel mounted, the front has been protected by grade IP66. dust and
water resistant products.
Please read this Operation Manual including the following precautions carefully to ensure
that may cause death or serious injury.
1. Perform wiring with the power off. There is a risk of
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
4. Do not use the product where t
here is flammable gas or ignited material.
5. In the event of a product failure or abnormality, build an emergency stop or
safe system to ensure safety.
Contents that may cause minor injury or property damage.
voltage and load within the specified range.
2. Do not use in the following environments.
A place exposed to metal powder, dust, water, chemicals, oil, etc.
A place with corrosive gas
Outdoor use and places exposed to direct sunlight
e condensation occurs
Temperature and humidity outside the rated range
Locations subject to vibration or impact
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
the product. There is a risk of failure or fire.
ly for any malfunctions or abnormalities.
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
immediately turn off the power and stop using it.
breaker in a position where it can be
Please indicate that it is a device shut
7. Keep the product and wiring away from noise sources.
If there is a possibility of invasion the lightning surges,
install countermeasure parts
such as a
. It can be used almost at the same time as the power is turned on, but itrequires
30 minutes of power to satisfy all performance requirements.
cleaning, wipe with a dry cloth
,
enzine, thinner or alcohol.
If the waterproof packing is used in a deteriorated state, the waterproof and
dustproof function will be impaired. Inspect and trade it periodically.
With the panel mounted, the front has been protected by grade IP66. dust and
Please read this Operation Manual including the following precautions carefully to ensure
that may cause death or serious injury.
1. Perform wiring with the power off. There is a risk of
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
here is flammable gas or ignited material.
5. In the event of a product failure or abnormality, build an emergency stop or
Contents that may cause minor injury or property damage.
voltage and load within the specified range.
2. Do not use in the following environments.
A place exposed to metal powder, dust, water, chemicals, oil, etc.
Outdoor use and places exposed to direct sunlight
e condensation occurs
Temperature and humidity outside the rated range
Locations subject to vibration or impact
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
the product. There is a risk of failure or fire.
ly for any malfunctions or abnormalities.
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
immediately turn off the power and stop using it.
breaker in a position where it can be
Please indicate that it is a device shut
-
off device.
7. Keep the product and wiring away from noise sources.
If there is a possibility of invasion the lightning surges,
such as a
lightning arrestor in outside.
. It can be used almost at the same time as the power is turned on, but itrequires
30 minutes of power to satisfy all performance requirements.
d
o not use organic solvents
If the waterproof packing is used in a deteriorated state, the waterproof and
dustproof function will be impaired. Inspect and trade it periodically.
With the panel mounted, the front has been protected by grade IP66. dust and
Please read this Operation Manual including the following precautions carefully to ensure
that may cause death or serious injury.
1. Perform wiring with the power off. There is a risk of
electric shock or fire.
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
here is flammable gas or ignited material.
5. In the event of a product failure or abnormality, build an emergency stop or
Contents that may cause minor injury or property damage.
voltage and load within the specified range.
A place exposed to metal powder, dust, water, chemicals, oil, etc.
Outdoor use and places exposed to direct sunlight
Temperature and humidity outside the rated range
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
ly for any malfunctions or abnormalities.
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
immediately turn off the power and stop using it.
breaker in a position where it can be
off device.
7. Keep the product and wiring away from noise sources.
If there is a possibility of invasion the lightning surges,
lightning arrestor in outside.
. It can be used almost at the same time as the power is turned on, but itrequires
30 minutes of power to satisfy all performance requirements.
o not use organic solvents
If the waterproof packing is used in a deteriorated state, the waterproof and
dustproof function will be impaired. Inspect and trade it periodically.
With the panel mounted, the front has been protected by grade IP66. dust and
Please read this Operation Manual including the following precautions carefully to ensure
that may cause death or serious injury.
electric shock or fire.
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
here is flammable gas or ignited material.
5. In the event of a product failure or abnormality, build an emergency stop or
Contents that may cause minor injury or property damage.
voltage and load within the specified range.
A place exposed to metal powder, dust, water, chemicals, oil, etc.
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
breaker in a position where it can be
operated immediately
lightning arrestor in outside.
. It can be used almost at the same time as the power is turned on, but itrequires
30 minutes of power to satisfy all performance requirements.
o not use organic solvents
If the waterproof packing is used in a deteriorated state, the waterproof and
dustproof function will be impaired. Inspect and trade it periodically.
With the panel mounted, the front has been protected by grade IP66. dust and
Please read this Operation Manual including the following precautions carefully to ensure
electric shock or fire.
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
here is flammable gas or ignited material.
5. In the event of a product failure or abnormality, build an emergency stop or
Contents that may cause minor injury or property damage.
voltage and load within the specified range.
A place exposed to metal powder, dust, water, chemicals, oil, etc.
3. Do not allow metal powder, dust, water, chemicals, oil, etc., to enter
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
operated immediately
lightning arrestor in outside.
. It can be used almost at the same time as the power is turned on, but itrequires
If the waterproof packing is used in a deteriorated state, the waterproof and
dustproof function will be impaired. Inspect and trade it periodically.
With the panel mounted, the front has been protected by grade IP66. dust and
Please read this Operation Manual including the following precautions carefully to ensure
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or
5. If the product is malfunctioning or has fire, smoke, overheating, abnormal noise, etc.,
operated immediately
. It can be used almost at the same time as the power is turned on, but itrequires
If the waterproof packing is used in a deteriorated state, the waterproof and
With the panel mounted, the front has been protected by grade IP66. dust and
Please read this Operation Manual including the following precautions carefully to ensure
2. Do not touch the terminals while power is being supplied. There is a risk of electric shock.
3. Do not disassemble or touch the inside of the product. There is a risk of electric shock or

Contents
1. About confirmation of an attachment. and a guaranteed period ・・・・・・・・ 1
2. Specifications ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 2 - 4
3. Mounting meter ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 5
4. Connecting terminal boards ・・・・・・・・・・・・・・・・・・・・・・・・ 6 - 7
5. Construction of input/output circuit ・・・・・・・・・・・・・・・・・・・・8 - 9
6. Setting the dip switch ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 10
7. Names and functions of components on front ・・・・・・・・・・・・・・ 11 - 12
8. The setting menu ・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 13 - 14
9. Initial setting values and initialization ・・・・・・・・・・・・・・・・・・・・・・ 15
10. Content and setting the each mode ・・・・・・・・・・・・・・・・・・・ 16 - 32
≪1. Operating method (the mode setting)≫・・・・・・・・・・・・・・・・・・ 16
≪2. Content of the each mode and set value≫ ・・・・・・・・・・・・17 - 32
Mode 1 "Ratemeter : Setting of scaling data" ・・・・・・・・・・・・・・・・・ 17
Calculation example of scaling data (setting example) ・・・・・・・・ 18
Mode 2 "Ratemeter : Setting of Exp. value, least significant digit,
the unit time and the decimal point" ・・・・・・・・・・・・・・・・ 19
Mode 3 "Ratemeter : Setting of the sampling time" ・・・・・・・・・・・・・・・・ 20
Mode 4 "Ratemeter : Setting of the moving average range" ・・・・・・・ 20 - 21
Mode 5 "Ratemeter : Setting the auto-zero time" ・・・・・・・・・・・・・・・ 21
Mode 6 "Setting of EXT input and measurement indication" ・・・・・・・・・ 22
Mode 7 "Totalizer : Setting of scaling data" ・・・・・・・・・・・・・・・・・・ 23
Mode 8 "Totalizer : Setting of Exp. value, reset dwell time, overflow
indication and the decimal point" ・・・・・・・・・・ 23 - 24
Mode 9 "Setting of OUT1 preset output" ・・・・・・・・・・・・・・・・ 25 - 26
【 Chart at the timing of the presetting output 】・・・・・・・・・・27
Mode A "Setting of OUT2 preset output" ・・・・・・・・・・・・・・・・・・・ 28
Mode b "Totalizer : Setting of the synchronization pulse output" ・・・・・・・ 29
Mode C "Analog output (option) : Setting of measurement choice and
the output digit" ・・・・・・・・・・ 30 - 31
Mode d "Analog output(option) : Setting of maximum output indication"・・・・ 32

11. The mode protect function ・・・・・・・・・・・・・・・・・・・・・・・・・ 33
12. Calling up and modifying the offset value setting ・・・・・・・・・・・・・・・ 34
13. Calling up and modifying the preset value setting
・ ・・・・・・・・・・・・・・ 35
14. Adjusting the analog output (option)・・・・・・・・・・・・・・・・・・・ 36 - 37
15. External dimensions ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 37
16. About a noise countermeasure ・・・・・・・・・・・・・・・・・・・・・・・・ 38
17. Troubleshooting ・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・ 39

- 1 -
1. About confirmation of an attachment and a guaranteed period
About confirmation of attachments.
When you received as a product, please confirm whether it includes
the following.
(1)SP2441 (The chosen specification) ・・・・・・・・・・・・・・・・・・１
(2)Installation adapter(Attachment) ・・・・・・・・・・・・・・・・・・・・１
(3)SP2441 Operation manual (Digest version) ・・・・・・・・・・・・・・１
(4)Rubber packing : Color (Black)(Attachment)・・・・・・・・・・・・・・・１
(5)Unit label(Attachment) ・・・・・・・・・・・・・・・・・・・・・・・・・１
If there are the mistaking parts and the missing parts, please inform a dealer
or us.(There is a case that you don't attach by convenience.)
About a guaranteed period and a guaranteed area.
1. Guaranteed period
The period a product guarantees is 4 years from a delivered day.
2. Guaranteed area
If we trouble by responsibility in whole guaranteed period, it's repaired without
charge at our factory. But if a product conflicted in the following matter,
it isn't a guarantee target. Please understand.
(1) Case of outside of the product specifications.
(2) Case of User-conducted alterations and modifications of the unit
(3) Case of besides our responsibility.
(4) Case of safekeeping and transportation beyond the product specification
condition.
(5) Case of an accident.

- 2 -
2. Specifications
【 Standard specifications 】
Items Specifications
Measurement
Type Ratemeter/Totalizer
Method
Cycle calculation method
Display
Display
Red LED : 5 digits, Character height : 7mm(range : 0 - 99999)
Display switching Rate meter/Totalizer
Rate
meter
Display accuracy
±0.05％rdg.±1digit
( at Sampling time for 0.5 second or more )
Scaling 1×10
-９
- 9999(per pulse)
Indication area 0 – 99999
Overflow indication "99999" flashing, endless, or 10x shift.
Time unit 10
-1
, 10
-2
, 10
-3
, 10
-4
, nothing
Sampling time Rate reading averaged by 0.1-100.0 sec.
Moving average
Display moving average.
Averaged by 2 to 19 indication values.
Pulses moving average
Averaged by 2 to 19 input pulses.
Auto zero time After an input signal is stopped, the reading turns to zero after
time that can be set 0.1 – 99.9 sec.
Least significant digit
Real, fixed at 0, or 0/5
Totalizer
Measurement
accuracy ±0 (Scaling is set to 1.)
Scaling 1×10
-9
- 9999(per pulse)
Indication area 0 – 99999
Decimal point 10
-1
,10
-2
,10
-3
,10
-4
,nothing
Overflow Indication "99999" flashing, endless, or 10x shift.
O ffset Value after a reset at the reach of 0 - 99999. (selectable)
Sensor
input
Input signal
NPN open collector pulse input or No-voltage contact.
*Sensor conditions:
ON residual voltage 2.0V or less, OFF leakage current 1.5mA or less.
Can open and close load current of 10.0mA.
Input response frequency
(at 50% duty)
LO : 0.01Hz - 50Hz
HI : 0.01Hz - 10kHz
Sensor power DC 12V(±10％) 50mA (max.)
EXT
input
Input method NPN open collector input or No-voltage contact. (×1)
* It works by turning it ON for 50ms or more.
Function selection Reset / Hold / Inhibit / Indication change
Synchronize
totalizer of
pulse output
Output method NPN open collector output. (×１)
* It's impossible to use at the time of P1 option choice.
Maximum rating DC30V 50mA.(max)
Output digits 1 - 4 digits.
Output width 0.01 - 1.99 sec.
* Maximum output frequency is 50Hz.

- 3 -
Preset
output
Output method NPN open collector output.(×２)
Maximum rating DC30V 50mA(max.)
Comparative method The upper limit, lower (immediately) and lower (delay).
Output mode Compared with the indication value by preset value.
Comparison, hold and 1 shot.
Judgment
prohibition time
The presetting output function is disabled for the specified time
interval following power ON or reset. Up to 1 – 60 sec, 9 stages.
〔Does not work with lower(delay) mode.〕
Others
Error display
function
When abnormality occurred to a sensor power supply, "Err01" and a measured
value are indicated alternately.
Data backup
Each mode set value and totalized value are saved on FRAM.
(The memory writable number of times
is within 100,000 times, retention about
10 years.)
Mode protect Prohibit mode setting change.
Warm up time After turning on the power, more than 30 minutes.
Power supply DC24V(
±
10%)
Power consumption 3Ｗ max
Temperature/humidity
conditions -10 - 50℃ 30 - 80％RH (No-condensation)
Dimensions and weight W48
×
H24
×
D63mm (An installation adapter isn't included.)Approx ４0g
Color Black
Flame retardant grade UL94 V-0
Material of the case Polycarbonate
Safety class IP66 (front)
Isolation Power supply and input/output are not isolated
EMC
EN61326-1
EN55011(Group1 ClassA), EN61000-4-2, EN61000-4-3, EN61000-4-4,
EN61000-4-5, EN61000-4-6

- 4 -
【 Option specifications 】
≪Relay output : P1 option≫
Preset output
Output method Relay c contact output(
×
1)
Maximum rating AC220V 0.12A (Resistance load)
DC 30V １Ａ (Resistance load)
≪Analog output : AI/ AV3 - 5 option≫
Analog output
Output signal
[AI] DC4 - 20mA Load impedance 500Ω or less.
*Connect to the power supply-side and the floating input
[AV3] DC1 - 5V Load impedance 2kΩ or more.
[AV4] DC0 - 5V Load impedance 2kΩ or more.
[AV5] DC0 - 10V Load impedance 2kΩ or more.
Accuracy
Within ±0.3％F.S. for indicated value.(at 23℃)
Temperature
characteristic
±100ppm/℃： 0 - 50℃
±120ppm/℃ : -10 - 0℃
Response time
Approx 20ms(that is the time an output change gets to 90%)
Maximum
resolution
13000
≪Sensor input : F option , F2 option≫
Sensor input Input signal
〔F〕 Voltage pulse input
LOW : 2.0 V or less, HI : 3.8 - 30.0 V
〔F2〕Current modulation pulse input
LOW : 8 mA or less, HI : 15 - 20 mA

- 5 -
3. Mounting meter
How to mount meter
1. Cut the panel to insert the meter from the front.
2. Slide installation adapter from the rear to fix the body.
At this time, if the body is not secured tightly, fasten screws a little more.
・ Put the meter on a panel with a thickness of 1.0 – 4.0mm.
Fig.3-1
Panel cutout dimensions and pitch for mounting two or more meters.
Fig.3-2
(
Unit : mm)
* When using by protection against dust and waterproofing in forebody (IP66),
please use rubber packing.
DISP

- 6 -
4. Connecting terminal boards
Terminal boards Fig.4-1
【 Standard type 】
Fig.4-2
【 P1 option type 】
Terminal pitch : 3.5mm (Phoenix : SMKDS1/12-3.5)
Wire : AWG30 – 16 (SQ Conversion : 0.05 – 1.3mm
２
)
Length of stripped wire : 5.0mm