Sierra Monitor Corporation ZSE30, ISE30 User Manual
No.:PS##-OMF0010-C
Technical Specification
Digital Pressure Switch
ISE30-# Series
ZSE30-# Series
Contents
Safety
Model Indication Method
Specification
Full View with Dimensions
Names and Functions of Individual Parts
Installation
Examples of Internal Circuit and Wiring
Setting
………………………………………………………P2
………………………………………………………P7
………………………………………………………P8
………………………………………………………P9
………………………………………………………P12
………………………………………………………P13
………………………………………………………P15
………………………………………………………P17
Pressure Setting
Other Functions
Attached Table
………………………………………………………P19
………………………………………………………P21
………………………………………………………P22
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PS##-OMF0010-C
Safety
The Digital Press ure Switch and th is technical spe cification essential inf ormation f or the protect ion
of users and others from possible injury and damage to property and to ensure correct handling.
Please check that you fully understand the definition of the following messages (signs) before
going on to read the text, and always follow the instructions.
Also read carefully the technical specification of relevant equipment or apparatus before use.
Indications
IMPORTANT MESSAGES
Read this manual and follow its instructions. Signal words such as WARNING, CAUTION
and NOTE, will be followe d by important s afety inf ormation that mu st be caref ully reviewe d.
Indicates a pote ntially hazard ous situation which could r e su lt in death
or serious injury if you do not follow inst ructio ns.
Indicates a p otentially hazardous situation which if not a voided, may
result in minor injury or moderate injury.
NOTE
Gives you helpful information.
Usage Restrictions
♦This product is designed for use in general equipment for factory automation. Never use this
product with equipment or apparatus that directly concerns human lives*
malfunction or failure can cause a huge loss.
*1: Equipment or apparatus that directly matters human lives means the following:
• Medical equipment such as life support systems or equipment used in operating rooms
• Compulsory equipment required b y law such as the Fire Pre vention Law, Construction Law
and etc.
• Equipment or apparatus that conforms with those mentioned above.
♦Contact our sales department when plans are made f or the product to be used for the system*
including equipment that concerns itself with the safety of persons or that seriously affects the
public. This usage needs special consideration*
*2: The system including equipment that concerns itself with the safety of persons or that seriously
affects the public means the following:
• Nuclear reactor control systems in nuclear power plants, safety protection systems or other
systems important for safety in nuclear power facilities
• Driving control systems of mass transportation systems, and flight control systems
• Equipment or apparatus that comes into contact with foods or beverages
*3: Special consideration means discussing usage with our engineers to establish a safe system
designed as fool-proof, fail-safe, redundant and etc.
3
.
1
, or which
2
♦Special consideration of safety or maintainability should be taken to prevent hazard or loss
caused by a failure or malfunction that is likely to occur in certain probability due to
environmental stress (deterioration).
The special consideration means to fully review the equipment or apparatus in design stage
and to establish a backup system in advance such as a redundant system or fail-safe system.
♦Use for an interlocking circuit
When using the pressure switch as a sensor for interlock, adopt a double interlocking method
such as equipping the mechanical protection function in order to deal with a pressure switch
failure.
Check the pressure switch regularly to ensure proper operation.
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PS##-OMF0010-C
Operator
♦This technical specification has been written for those who have knowledge of machinery and
apparatus that use pneumatic equipment and have full knowledge of assembly, operation and
maintenance of such equipment.
♦Please read this technical specification carefully and understand it before assembling, operating
or providing maintenance to the pressure switch.
Safety
♦Do not disassemble, mod ify (including chang e of printed circ uit board) or repa i r.
An injury or failure can result.
♦Do not operate the pressure switch beyond specification range.
Do not use the pressure switch for inflammable or harmful gas or fluid.
Operation at a range that exceeds the specifications can cause a fire, malfunction, or damage to
the pressure switch.
Verify the specifications before use.
♦Do not use the pressure switch in an atmosphere containing combustible or explosive gas.
A fire or explosion can result.
This pressure switch is not an explosion-proof type.
♦These instructions must be followed when using the pressure switch in an interlocking circuit:
• Provide double interlocking by another system such as mechanical protection.
• Check the pressure switch regularly to ensure proper operation.
Otherwise malfunction can cause an accident.
♦These instructions must be followed while in maintenance:
• Turn off the power supply.
• Stop the supplied air, exhaust the residual pressure and verify the release of air before
performing maintenance.
Otherwise it can cause injury.
♦Don’t use this product near by a place where static electricity is a problem.
Otherwise it can cause failure or malfunction of a system.
♦Perform proper functional checks and leak tests after maintenance.
Stop operation when an abnormality is observed such that the pressure switch does not work
properly or there is a leakage of fluid.
Safety is not be assured due to unexpected malfunction.
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PS##-OMF0010-C
NOTE
Follow the instruction given below when designing, selection and handling your pressure switch.
♦The instructions on design and selection.
Installation, wiring, environment of use, adjustment, operation and maintenance described below
must also be followed.
♦Product specifications
•This product designed only for the measurement of pressurized air (including vacuums).
The pressurized air must contain no chemicals, synthetic oil with organic solvent, salts nor corrosive
gas.
Air that includes these substances can cause damage or malfunction of the digital pressure switch.
Verify the specifications in detail before use.
•Do not use the product for pressurized air containing plenty of condensed water.
Otherwise it can cause malfunction of the pressure switch.
When measuring the air with condensed water, install an air-dryer / drain catch before filter, and
release the condensed water regularly.
Improper draining of condensed water can result in the flow out of condensed water into the
secondary piping causing malfunction of pneumatic devices.
Use of the filter with an automatic draining function is recommended when the draining is difficult to
perform.
Refer to our manual “Pressurized Air Purifying System” for details of the quality of the pressurized air.
•Operate the pressure switch with the specified voltage.
Operation with a voltage beyond specifications can cause malfunction or damage of the pressure
switch.
Insufficient supply voltage may not drive a load due to a voltage drop inside the pressure switch.
Verify the operating voltage of the load before use.
•Use the pressure switch within the specified ranges of the measurement flow rate and under the
specified operating pressure.
Otherwise it can cause damage to the pressure switch and an abnormal measurement.
Do not apply constant pressure higher than 0.5MPa to v acuum pressure s witch. (Specifications : -101
to 101kPa)
•Do not exceed the specified maximum allowable load.
Other wi se it ca n cause damage or shorten t he lifet i me of the pressure switc h.
•Input data to pressure switch is not erased after power is off.
(Rewriting times: 100,000 times, Data duration: 10 years after power off.)
•Reserve a space for maintenance.
Remember to leave space for maintenance when designing the piping plan.
•This pressure switch is recognized marking only if the body initialized marking.
♦Product handling
♦Installation
•Do no drop, hit or apply excessive shock (100 m/s
Otherwise it can result in damage to the pressure switch causing failure or malfunction.
•Do not pull lead wires or lift the body with lead wires. (Tensile strength is less than 35N)
Hold the body when handing.
Otherwise it can result in damage of the pressure switch causing failure or malfunction.
•Follow the specified tightening torque
Excessive tightening torque can break the pressure switch, bracket, and mounting screws.
Insufficient ti gh ten i ng torque can displace the pressu re switch from the original position or loosen the
mounting screws.
•When piping, apply the wrench only to the metal portion (attachment to be piped) integrated into the
piping.
Applying the wrench in other position can break the pressure switch.
2
) to the pressure switch.
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PS##-OMF0010-C
•Blow off all the dust inside the pipes before piping the pressure switch.
y
r
r
r
Otherwise it can cause damage or malfunction.
•Clean the inside of the pipe of dust or tape sealant when screwing pipes or joints.
When using tape sealant, leave a couple of screw threads unwrapped with tape sealant.
Otherwise it can cause damage or malfunction.
•Do not apply excessive external force with joints such as hoses when installing with a panel
mount adapter.
Otherwise it can damage the pipe joint of the pressure switch or cause drop off from the panel
mount adapter.
•Do not insert wires or other foreign matter into the pressure measurement port.
It can damage the pressure sensor causing failure or malfunction.
•Connect frame-ground terminal (FG terminal) to the ground when using a switching power supply.
•Insert a noise filter (power line noise filter, ferrite core, etc.) between the switching power suppl
and this pressure switch when using analog output.
•Do not apply unnecessary forces such as twisting, pulling, moment loads, etc. on fittings o
tubing.
•When using a brand of tubing other than SMC, be careful of the tolerance of the tube’s O.D.
1) Nylon tube ≤±0.1mm
2) Soft nylon tube ≤±0.1mm
3) Polyurethane tube ≤+0.15mm, ≤-0.2mm
•This pressure sensor is for air only.
Please contact with SMC if you need to use other fluid.
♦Wiring
•Do not bend or apply tensile stress to lead wires repeatedly.
Wiring with repetitive bending stress or tensile stress can cause breakage of the lead wires.
Replace the product when damage to a lead wire is observed.
•Connect wires and cables correctly.
Miswiring can break the pressure switch depending on a miswired circuit.
•Do not connect wires while the power is on.
Otherwise it can break the circuit inside the pressure switch causing malfunction.
•Do not lay wires or cables with power cable or high-voltage cable in the same wiring route.
Otherwise the wires to the pressure switch can be contaminated with noise or induced surge
voltage from power lines or high voltage lines causing malfunction.
Lay the wires to the pressure switch to a wire duct or in a protective tube other than those fo
power lines or high voltage lines.
•Verify the insulation of wiring.
Poor insulation (interference with other circuit, poor insulation between terminals and etc.) can
introduce excess voltage or current to the pressure switch causing damage.
•Keep wiring as short as possible to prevent contamination from noise and induced surge voltage.
Do not use a cable longer than 10m. Consult with SMC for the use with a cable longer than 10 m.
Connect the 0V DC wire (blue line) directly or as close as possible to the 0V DC terminal of the
DC power supply.
•The direct-current power supply to combine should use UL authorization power supply which is
the class 2 power supply based on UL 1310 or the power supply is using the transformer of a
class 2 based on UL 1585.
♦Environment
•Do not use the product in an atmosphere containing corrosive gas, chemicals, sea water, wate
or vapor, or in a place where there is a possibility of adhesion of those substances to the product.
It can cause failure or malfunction.
•Avoid exposure of this product to direct sunlight.
Use sunshades if the product is exposed to direct sunlight.
Otherwise it can cause failure or malfunction.
•Do not use in a place where water, oil or chemicals splashes.
Otherwise it can cause failure or malfunction.
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PS##-OMF0010-B
•Do not use a pressure switch nearby a place where electric surges are generated.
r
t
r
r
t
Internal circuit elements of the pressure switch can deteriorate or break when equipment generating
a large surge (electromagnetic lifter, high frequency induction furnace, motor, etc.) is located nea
the pressure switch. Provide surge preventives, and avoid interference.
•Do not apply the pressure switch to the load that generates electric surge voltage.
Relays or solenoid values generate electric surge voltage. When applying the pressure switch to
drive these loads directly, use the product equipped with surge absorber.
•The product is not resistive to a lightning surge defined in CE marking. Take measures to protec
against a lightning surge at the load side.
•Prevent foreign matter such as remnant of wires from entering this product.
Take proper measures for the remnant not to enter the pressure switch in order to prevent failure o
malfunction.
•Do not expose the pressure switch to vibration (less than 98 m/s
2
), and impact (less than 100 m/s2)
Otherwise it can cause damage or malfunction.
•Follow the specified ranges of the operating fluid and maintain ambient temperatures.
The operating fluid and ambient temperatures should be in the range of 0 to 50 °C.
When operating at low temperature of 5°C or below, breakage or malfunction can occur to the
pressure switch due to freezing of condensed water in the pressurized air.
Take preventive measures against freezing. Installation of an air dryer is recommended in order to
remove condensed water contained in the measuring fluid.
Do not use the pressure switch in a place where temperature suddenly changes even if it stays
within the specified range.
•Do not expose the pressure switch to heat radiation from a heat source located nearby.
It can cause malfunction.
♦Adjustment and Operation
•Do not short-circuit the load.
The pressure switch indicates the error status when a load is short-circuited. However, excess
current can damage the pressure switch.
•Do not press the buttons with a sharp object.
It can cause damage to the setting buttons.
•A warm-up time of 20 to 30 minutes is needed for detection of low pressure.
The indication drifts about ±1% soon after the power is on.
•Do not touch the LCD during operation.
The indication on the LCD changes due to static electricity.
♦Maintenance
•Before performing maintenance, make sure to turn off the power supply, stop supplied air, release
the residual air in the piping into the atmosphere, and verify that the pneumatic system is open to
the air.
Otherwise an unexpected operation of the system component can occur.
•Perform maintenance and check regularly.
Otherwise an unexpected malfunction of the system can occur due to a malfunction of the pressure
switch.
•Perform a proper functional check and leak test after maintenance.
Stop operation when an abnormality is observed such that the device does not work properly o
there is a leakage of flui d.
Otherwise an unexpected malfunction of the system component can occur.
•Release condensed water regularly.
The flow out of the condensed water to secondary piping can cause a malfunction of pneumatic
devices.
•Do not use solvents such as benzene or thinner to clean the pressure switch body.
It can damage the surface of the body and erase the indication on the body.
Use a soft cloth to remove stains. For heavy stains, use a cloth soaked with diluted neutral detergen
and fully squeezed, then wipe up the stains again with a dry cloth.
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PS##-OMF0010-C
Model Indication Method
Model Indication Method
For positive pressure : I S E 3 0 − − −
01
25
For vacuum and low pressure : Z S E 3 0 − − −
01 25
01 R1/8 (M5 internal thread)
T1 NPT1/8(M5 internal thread)
C4H
C6H
N7H
C4L
C6L
N7L
25 NPN output
65 PNP output
26 1-5V analogue output
28 4-20mA analogue output
One-touch fitting φ4, φ5/32inch straight type
One-touch fitting φ6 straight type
One-touch fitting φ1 /4 inc h st raight type
One-touch fitting φ4, φ5/32inch elbow type
One-touch fitting φ6 elbow type
One-touch fitting φ1 /4 inc h elb o w type
Output Specification
Optional Indications
Option Model number
Pipe S pecification
Unit S pecification
No
symbol
M Note2) SI units only
Note1) The new Measurement Law prohibits use in
Japan of pressure switches with a unit selection
function.
Note2) Fixed unit for vacuum and low pressure is : kPa
for positive pressure is : MPa
No symbol
L
Note1) Unit selection function
Option 1
No Lead wire with connecto r
Lead wire with connector
No symbol None
A Bracket
B
D
Panel Mount Adapter
Panel Mount Adapter
+ Front Face Protective Cover
M M L
Option 2
A
Lead Wire with Connector ZS-27-A (Lead wire with Connector : 2m)
Bracket
Panel Mount Adapter ZS-27-C
Panel Mount Adapter +
Front Face Protective Cover
Front Face Protective Cover
Panel Mount Adapter1 ZS-27-02
ZS-27-B (Contained mounting screws : M3×5L 2pcs.)
ZS-27-D
ZS-27-01
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PS##-OMF0010-C
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