IFM – PQ7834

ifm pressure sensor PQ7834
ifm pressure sensor PQ7834

IFM – PQ7834

A – IFM – IGS702
IFM – IIS238
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  • Reliable monitoring of the system pressure in pneumatics and in compressed air systems
  • Very high overpressure and vacuum resistance
  • Clearly visible slanted LED display
  • Red/green display for clear identification of the acceptable range
  • Two switching outputs, one of which can be configured as diagnostic output
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  • Description
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  • Specs

Description

Product characteristics
Output signal switching signal
Measuring range
-1…10 bar -15…145 psi -30…296 inHg -100…1000 kPa
Process connection threaded connection G 1/8 internal thread
Application
Special feature Gold-plated contacts
Application for industrial applications
Media compressed air
Conditionally suitable for other media on request
Medium temperature [°C] 0…60
Pressure rating
20 bar 290 psi 591 inHg 2000 kPa
Min. bursting pressure
30 bar 435 psi 886 inHg 3000 kPa
Vacuum resistance [mbar] 1000
Type of pressure relative pressure; vacuum
Electrical data
Operating voltage [V] 18…32 DC; (according to EN 50178 SELV/PELV)
Current consumption [mA] < 50
Min. insulation resistance [MΩ] 100; (500 V DC)
Protection class III
Reverse polarity protection yes
Overvoltage protection yes; (< 40 V)
Power-on delay time [s] 0.3
Integrated watchdog yes
Inputs / outputs
Number of inputs and outputs Number of digital outputs: 2
Outputs
Total number of outputs 2
Output signal switching signal
Electrical design PNP
Number of digital outputs 2
Output function normally open / normally closed; (parameterisable)
Max. voltage drop switching output DC [V] 2
Permanent current rating of switching output DC [mA] 100
Switching frequency DC [Hz] < 200
Short-circuit protection yes
Type of short-circuit protection pulsed
Measuring/setting range
Measuring range
-1…10 bar -15…145 psi -30…296 inHg -100…1000 kPa
Set point SP
-0.9…10 bar -13…145 psi -26…296 inHg -90…1000 kPa
Reset point rP
-0.95…9.95 bar -14…144 psi -28…294 inHg -95…995 kPa
In steps of
0.05 bar 1 psi 2 inHg 5 kPa
Accuracy / deviations
Switch point accuracy [% of the span] < ± 0,5
Repeatability [% of the span] < ± 0,1; (with temperature fluctuations < 10 K)
Characteristics deviation [% of the span] < ± 0,25 (BFSL) / < ± 0,5 (LS); (BFSL = Best Fit Straight Line; LS = limit value setting)
Hysteresis deviation [% of the span] < ± 0,25
Long-term stability [% of the span] < ± 0,05; (per 6 months)
Temperature coefficient zero point [% of the span / 10 K] 0,2; (0…60 °C)
Temperature coefficient span [% of the span / 10 K] 0,2; (0…60 °C)
Response times
Response time [ms] < 2.5
Delay time programmable dS, dr [s] 0; 0,002…5
Software / programming
Parameter setting options hysteresis / window; normally open / normally closed; diagnostic function; switching logic; switch-on/switch-off delay; Damping; Display unit
Operating conditions
Ambient temperature [°C] 0…70
Storage temperature [°C] -25…85
Protection IP 65
Tests / approvals
EMC
EN 61000-4-2 ESD 4 kV CD / 8 kV AD
EN 61000-4-3 HF radiated 10 V/m
EN 61000-4-4 Burst 2 kV
EN 61000-4-5 Surge 0,5/1 kV
EN 61000-4-6 HF conducted 10 V
Shock resistance
DIN IEC 68-2-27 50 g (11 ms)
Vibration resistance
DIN IEC 68-2-6 20 g (10…2000 Hz)
MTTF [years] 455
Pressure Equipment Directive Sound engineering practice; can be used for group 2 fluids; group 1 fluids on request
Mechanical data
Weight [g] 84.5
Materials PBT; FKM; polyester
Materials (wetted parts) brass; FKM; silicon (coated); PBT
Min. pressure cycles 50 million
Process connection threaded connection G 1/8 internal thread
Displays / operating elements
Display
Display unit 4 x LED, green
switching status 2 x LED, yellow
function display alphanumeric display, 4-digit
measured values alphanumeric display, 4-digit
Display unit bar; kPa; psi; inHg
Accessories
Accessories (optional)
mounting set for DIN rail: TH 35-7,5 / EN60715, E37340
Thread extension: 1/8″, E30075
push-in air fitting for tube: Ø 6 mm, E30076
push-in air fitting for tube: Ø 8 mm, E30077
Remarks
Pack quantity 1 pcs.
Electrical connection
Connection Connector: 1 x M8; Contacts: gold-plated

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(中文)
Application
Function principle incremental
Detection system magnetic
Electrical data
Operating voltage [V] 4.75 ... 30 DC
Current consumption [mA] <150
Protection class III
Reverse polarity protection yes
Power-on delay time [s] 0.5
Max. revolution electrical [U/min] 12000
Outputs
Electrical design HTL/TTL
Switching frequency [kHz] 1000
Factory setting
Output function: HTL (50 mA)
Short-circuit protection yes
Phase difference A and B [°] 90
Measuring/setting range
Resolution 1...10000; (parameterisable; Factory setting: 1024) resolution
Accuracy / deviations
Accuracy [°] 0.1
Software / programming
Parameter setting options Resolution; direction of rotation; HTL; TTL
Interfaces
Communication interface IO-Link
Transmission type COM 2
IO-Link revision 1.1
SIO mode yes
Min. process cycle time [ms] 2.3
Operating conditions
Ambient temperature [°C] -40...85
Storage temperature [°C] -40...85
Max. relative air humidity [%] 95; (condensation not permissible)
Protection IP 65; IP 66; (on the housing: IP 67; on the shaft: IP 64)
Tests / approvals
Shock resistance
100 g
Vibration resistance
20 g
MTTF [years] 292
Mechanical data
Weight [g] 267
Dimensions [mm] Ø 36.5 / L = 58.5
Materials flange: aluminium; housing: stainless steel (1.4521 / 444); plug: stainless steel (1.4401 / 316)
Tightening torque [Nm] < 0.7; (Mounting screw)
Max. revolution, mechanical [U/min] 12000
Max. starting torque [Nm] 1
Reference temperature torque [°C] 20
Shaft design hollow shaft open to one side
Shaft diameter [mm] 6
Shaft material
stainless steel
Installation depth of shaft [mm] 18
Max. axial shaft misalignment [mm] 0,5
Electrical connection
IO-Link Connector: 1 x M12, radial, can also be used axially; Moulded body: stainless steel (1.4401 / 316)

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