Panasonic Industry / Automation Controls
Panasonic Industry / Automation Controls

Air Flow Monitor EWA2 (Discontinued Products)

  • Discontinued Products

  • Specifications

  • Dimensions

  • Circuit/ Wiring

Ⅾiscontinued

Last time buy

September 29, 2023

We are sorry, the products have been discontinued. Please refer to the details of the discontinued products and the recommended substitutes list below.

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Discontinued Products

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Specifications

Common specifications

ItemSpecifications
Rated pressure range0 to 1 MPa (gauge pressure)
Rated operating voltage24V DC±10%
Power consumption1.5 W or less
Pulse outputOpen drain output
・Max. inflow current : 50mA
・Applied voltage : 24V DC or less
・Residual voltage: 1.5 V or less
(at inflow current 50 mA)
 Output modeDirect flow pulse
Over current protectionEquipped
Pulse output timeDuty(1:1)
50/100/125/250/500ms
(select in setting mode)
Analog current outputOutput current: 4 to 20 mA
Output accuracy: ±0.1 mA
Max. external load: 400 Ω or less
 Output modeInstant flow, air pressure and temperature
(select in setting mode)
 Instant flowZero point:
4 mA (Direct flow display mode, reverse flow ~ within low flow cut off)
12 mA (Direct/Reverse flow display mode, within low flow cut off)
Air pressure0 kPa: 4 mA, 1 MPa: 20 mA
Temperature−10℃ +14 ℉ : 4mA, +60℃ +140 ℉ : 20mA
Pressure lossExtremely small (same as straight pipe)
Response time500ms
Using environmentEnclosure protectionIP64(IEC)
Ambient temperature−10 to +60℃ +14 to +140 ℉
(Storage: -20 to +70 ℃ -4 to +158 ℉)
Ambient humidity90 % RH or less
(No dew condensation or icing allowed)

* When installing the monitor in a horizontal pipe, install it with its display facing up. It can also be installed to vertical pipings.

Individual specifications

Small pipe size type

Model No.AEWA2025AEWA2032
Pipe size25A (1B)32A (1 1/4B)
Measurable fluidsAir (compressed air), Nitrogen gas
Flow rangeActual flow
[ m3/h ]
−0.6 to −35 or
+0.6 to +35
−1.1 to −65 or
+1.1 to +65
Normal flow*
[ Nm3/h ]
−4.3 to −250 or
+4.3 to +250
−8 to −470 or
+8 to +470
Flow measuring accuracy±5%R.S.
[ m3/h ]
−0.6 to −3.5 or
+0.6 to +3.5
−1.1 to −6.5 or
+1.1 to +6.5
±2%R.S.
[ m3/h ]
−3.5 to −35 or
+3.5 to +35
−6.5 to −65 or
+6.5 to +65
Conversion accuracy±2.5%R.S.〔at dry air or nitrogen gas (at 90 % RH or below), ordinary temperatures and 0.5 MPa〕
Unit for pulse output10 / 100 / 1,000 [L/pulse]
Low flow cut offWithin ±0.1m3/hWithin ±0.2m3/h
MaterialMeasuring pipe: Aluminum alloy, PPS, FVMQ
Net weight1.5 kg approx.1.4 kg approx.
AccessoriesM4 hexagon wrench: 1 pc

*   With supply pressure 0.7 MPa and temperature in pipe at +25 ℃ +77 °F

Medium pipe size type

Model No.AEWA2040AEWA2050AEWA2065AEWA2080
Pipe size40A (1 1/2B)50A (2B)65A (2 1/2B)80A (3B)
Measurable fluidsAir (compressed air), Nitrogen gas
Flow rangeActual flow
[ m3/h ]
−1.3 to −80
or
+1.3 to +80
−2.5 to −150
or
+2.5 to +150
−4 to −240
or
+4 to +240
−5 to −300
or
+5 to +300
Normal flow*
[ Nm3/h ]
−9.4 to −580
or
+9.4 to +580
−18 to −1,090
or
+18 to +1,090
−29 to −1,740
or
+29 to +1,740
−36 to −2,170
or
+36 to +2,170
Flow measuring accuracy±5%R.S.
[ m3/h ]
−1.3 to −8
or
+1.3 to +8
−2.5 to −15
or
+2.5 to +15
−4 to −24
or
+4 to +24
-5 to −30
or
+5 to +30
±2%R.S.
[ m3/h ]
−8 to −80
or
+8 to +80
−15 to −150
or
+15 to +150
−24 to −240
or
+24 to +240
−30 to −300
or
+30 to +300
Conversion accuracy±2.5%R.S.〔at dry air or nitrogen gas (at 90 % RH or below), ordinary temperatures and 0.5 MPa]〕
Unit for pulse output10 / 100 / 1,000 [L/pulse]
Low flow cut offWithin ±0.2m3/hWithin ±0.4m3/hWithin ±0.6m3/hWithin ±0.8m3/h
MaterialMeasuring pipe: Aluminum alloy, PPS, FVMQ
Net weight1.0 kg approx.1.2 kg approx.1.4 kg approx.1.7 kg approx.
AccessoriesPositioning collar: 4 pcs, M4 hexagon wrench: 1 pc, Flange packing: 2 pcs, Bolt set: 1 set (bolt, nut and plain washer)

*  With supply pressure 0.7 MPa and temperature in pipe at +25 ℃ +77 °F

Large pipe size type

Model No.AEWA2100AEWA2150AEWA2200
Pipe size100A (4B)150A (6B)200A (8B)
Measurable fluidAir (compressed air)
Flow rangeActual flow
[ m3/h ]
−10 to −500
or
+10 to +500
−24 to −1,200
or
+24 to +1,200
−40 to −2,000
or
+40 to +2,000
Normal flow*
[ Nm3/h ]
−72 to −3,620
or
+72 to +3,620
−170 to −8,690
or
+170 to +8,690
−290 to −14,490
or
+290 to +14,490
Flow measuring accuracy±5%R.S.
[ m3/h ]
−10 to −50
or
+10 to +50
−24 to −120
or
+24 to +120
−40 to −200
or
+40 to +200
±2%R.S.
[ m3/h ]
−50 to −500
or
+50 to +500
−120 to −1,200
or
+120 to +1,200
−200 to −2,000
or
+200 to +2,000
Conversion accuracy±2.0 %R.S.〔at dry air (at 90 % RH or below), ordinary temperatures and 0.3 MPa〕
Unit for pulse output100 / 1,000 / 10,000 [L/pulse]
Low flow cut offWithin ±2.6m3/hWithin ±5.0m3/hWithin ±9.0m3/h
MaterialMeasuring pipe: Stainless alloy, PPS and FVMQ
Net weight10.3kg approx.18.3kg approx.24.4kg approx.
AccessoriesPositioning collar: 2 pcs, M4 hexagon wrench: 1 pc

*  With supply pressure 0.7 MPa and temperature in pipe at +25 ℃ +77 °F

Communication specifications

ItemSpecifications
InterfaceConforming to EIA-485
ProtocolModbus RTU
Communication methodHalf-duplex
Synchronous systemSynchronous communication method
Number of connected units115,200 bps: Max. 8 units
9,600/19,200/38,400/57,600 bps: Max. 31 units
Transmission speed9,600/19,200/38,400/57,600/115,200 bps
(select in setting mode)
Transmission formatData length8 bit
Stop bit1 bit/2 bit
ParityNone/Odd number/Even number
Data buffer100 byte
Response time9,600bps: 100 to 130ms
19,200bps: 70 to 100ms
38,400bps: 50 to 80ms
57,600bps: 40 to 70ms
11,5200bps: 40 to 70ms
Ending resistance100 Ω approx. (built-in)
(select in setting mode)

* The number of connectable units, transmission distance, and transmission speed may differ depending on the device to be connected and transmission path. Please confirm using the actual device.

■Note on installation
When installing the monitor in a horizontal pipe, install it with its display facing up. It can also be installed to vertical pipings.

NORMAL FLOW CONVERSION VALUE EXAMPLES

(unit:Nm3/h)

Model No.Actual flowTemp[℃]Air pressure[MPa]
0(atmospheric pressure)0.40.50.6
AEWA2025±0.6 to 35m3/h0±0.6 to 35±3 to 170±3.6 to 210±4.2 to 240
20±0.6 to 33±2.8 to 160±3.3 to 190±3.9 to 230
25±0.5 to 32±2.7 to 160±3.3 to 190±3.8 to 220
30±0.5 to 32±2.7 to 160±3.2 to 190±3.7 to 220
AEWA2032±1.1 to 65m3/h0±1.1 to 65±5.4 to 320±6.5 to 390±7.6 to 450
20±1 to 61±5.1 to 300±6.1 to 360±7.1 to 420
25±1 to 60±5 to 290±6 to 350±7 to 410
30±1 to 59±4.9 to 290±5.9 to 350±6.9 to 410
AEWA2040±1.3 to 80m3/h0±1.3 to 80±6.4 to 400±7.7 to 470±9 to 550
20±1.2 to 75±6 to 370±7.2 to 440±8.4 to 520
25±1.2 to 73±5.9 to 360±7.1 to 430±8.2 to 510
30±1.2 to 72±5.8 to 360±7 to 430±8.1 to 500
AEWA2050±2.5 to 150m3/h0±2.5 to 150±12 to 740±15 to 890±17 to 1,040
20±2.3 to 140±12 to 690±14 to 830±16 to 970
25±2.3 to 140±11 to 680±14 to 820±16 to 950
30±2.3 to 140±11 to 670±13 to 800±16 to 940
AEWA2065±4 to 240m3/h0±4 to 240±20 to 1,190±24 to 1,420±28 to 1,660
20±3.7 to 220±18 to 1,110±22 to 1,330±26 to 1,550
25±3.7 to 220±18 to 1,090±22 to 1,300±25 to 1,520
30±3.6 to 220±18 to 1,070±21 to 1,280±25 to 1,500
AEWA2080±5 to 300m3/h0±5 to 300±25 to 1,480±30 to 1,780±35 to 2,080
20±4.7 to 280±23 to 1,380±28 to 1,660±32 to 1,930
25±4.6 to 270±23 to 1,360±27 to 1,630±32 to 1,900
30±4.5 to 270±22 to 1,340±27 to 1,600±31 to 1,870
AEWA2100±10 to 500m3/h0±10 to 500±49 to 2,470±59 to 2,970±69 to 3,460
20±9.3 to 470±46 to 2,300±55 to 2,760±64 to 3,220
25±9.2 to 460±45 to 2,270±54 to 2,720±63 to 3,170
30±9 to 450±45 to 2,230±53 to 2,670±62 to 3,120
AEWA2150±24 to 1,200m3/h0±24 to 1,200±120 to 5,940±140 to 7,120±170 to 8,310
20±22 to 1,120±110 to 5,530±130 to 6,640±150 to 7,740
25±22 to 1,100±110 to 5,440±130 to 6,520±150 to 7,610
30±22 to 1,080±110 to 5,350±130 to 6,420±150 to 7,480
AEWA2200±40 to 2,000m3/h0±40 to 2,000±200 to 9,890±240 to 11,870±280 to 13,840
20±37 to 1,860±180 to 9,220±220 to 11,060±260 to 12,900
25±37 to 1,830±180 to 9,070±220 to 10,870±250 to 12,680
30±36 to 1,800±180 to 8,920±210 to 10,690±250 to 12,470
Model No.Actual flowTemp[℃]Air pressure[MPa]
0.70.80.90.98
AEWA2025±0.6 to 35m3/h0±4.7 to 280±5.3 to 310±5.9 to 350±6.4 to 370
20±4.4 to 260±5 to 290±5.5 to 320±6 to 350
25±4.3 to 250±4.9 to 290±5.4 to 320±5.9 to 340
30±4.3 to 250±4.8 to 280±5.3 to 310±5.8 to 340
AEWA2032±1.1 to 65m3/h0±8.7 to 510±9.8 to 580±11 to 640±12 to 690
20±8.1 to 480±9.1 to 540±10 to 600±11 to 650
25±8 to 470±9 to 530±10 to 590±11 to 640
30±7.8 to 460±8.8 to 520±9.8 to 580±11 to 620
AEWA2040±1.3 to 80m3/h0±10 to 630±12 to 710±13 to 790±14 to 850
20±9.6 to 590±11 to 660±12 to 740±13 to 800
25±9.4 to 580±11 to 650±12 to 720±13 to 780
30±9.3 to 570±10 to 640±12 to 710±12 to 770
AEWA2050±2.5 to 150m3/h0±20 to 1,190±22 to 1,330±25 to 1,480±27 to 1,600
20±18 to 1,110±21 to 1,240±23 to 1,380±25 to 1,490
25±18 to 1,090±20 to 1,220±23 to 1,360±24 to 1,470
30±18 to 1,070±20 to 1,200±22 to 1,340±24 to 1,440
AEWA2065±4 to 240m3/h0±32 to 1,900±36 to 2,130±40 to 2,370±43 to 2,560
20±29 to 1,770±33 to 1,990±37 to 2,210±40 to 2,390
25±29 to 1,740±33 to 1,960±36 to 2,170±39 to 2,350
30±29 to 1,710±32 to 1,920±36 to 2,140±38 to 2,310
AEWA2080±5 to 300m3/h0±40 to 2,370±44 to 2,670±49 to 2,960±53 to 3,200
20±37 to 2,210±41 to 2,490±46 to 2,760±50 to 2,980
25±36 to 2,170±41 to 2,440±45 to 2,720±49 to 2,930
30±36 to 2,140±40 to 2,400±45 to 2,670±48 to 2,880
AEWA2100±10 to 500m3/h0±79 to 3,950±89 to 4,450±99 to 4,940±110 to 5,340
20±74 to 3,680±83 to 4,140±92 to 4,600±99 to 4,970
25±72 to 3,620±81 to 4,070±91 to 4,530±98 to 4,890
30±71 to 3,560±80 to 4,010±89 to 4,450±96 to 4,810
AEWA2150±24 to 1,200m3/h0±190 to 9,490±210 to 10,670±240 to 11,860±260 to 12,810
20±180 to 8,840±200 to 9,950±220 to 11,050±240 to 11,930
25±170 to 8,690±200 to 9,780±220 to 10,860±230 to 11,730
30±170 to 8,550±190 to 9,620±210 to 10,680±230 to 11,540
AEWA2200±40 to 2,000m3/h0±320 to 15,820±360 to 17,790±400 to 19,760±430 to 21,340
20±290 to 14,740±330 to 16,580±370 to 18,420±400 to 19,890
25±290 to 14,490±330 to 16,300±360 to 18,110±390 to 19,550
30±290 to 14,250±320 to 16,030±360 to 17,810±380 to 19,230

Normal flow conversion

Standard flow conversion

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Dimensions

  • Unit: mm in

Small pipe size type

Small pipe size type

Model No.ABC
AEWA2025147
5.79
162
6.38
80
3.15
AEWA2032

Medium pipe size type

Medium pipe size type

Model No.DEF
AEWA204076
2.99
163
6.42
81
3.19
AEWA205090
3.54
176
6.93
96
3.78
AEWA2065108
4.25
197
7.76
117
4.61
AEWA2080117
4.61
220
8.66
126
4.96

Large pipe size type

Large pipe size type

Model No.GHJ
AEWA2100250
9.84
280
11.02
210
8.27
AEWA2150300
11.81
341
13.43
280
11.02
AEWA2200350
13.78
391
15.39
330
12.99

Connecting cable (Sold separately)

Connecting cable (Sold separately)

Model No.L
AEWA1C055,000±50
196.85 ± 1.97
AEWA1C2020,000+1000
787.4+3.940

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I/O Circuit and Wiring diagrams

I/O Circuit diagram

I/O Circuit diagram

Note 1: Max. resistive load should be 400 Ω or less.

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