Dwyer Instruments 626 Series Bedienungsanleitung

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#;/<<>;/

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,A36>6

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'&"! Do not exceed specified supply voltage ratings.

Permanent damage not covered by warranty will result. This device

is not designed for 120 or 240 volt AC operation. Use only on 13 to

30 VDC.

&2/ %/;3/<  ,7.  #;/<<>;/ &;,7<63==/;< converts a single positive

pressure into a standard 4-20 mA output signal. The Series 626 and 628 can be

used to accurately measure compatible gases and liquids; Series 626 full scale

accuracy is 0.25%; Series 628 full scale accuracy is 1.0% (see specifications).

Designed for industrial environments with a NEMA 4X (IP66) housing, this

transmitter resists most effects of shock and vibration.

%#&"!%

%/;?3-/ Compatible gases and liquids.

)/==/. ,=/;3,5<DType 316 SS.

-->;,-B626: 0.25% FS, 0.20%

RSS; 628: 1.0% FS, 0.5% RSS; 626

absolute ranges: 0.5% FS, 0.35% RSS.

(Includes linearity, hysteresis, and

repeatability).

&/69/;,=>;/363=D0 to 200°F (-18 to

93°C).

869/7<,=387&/69/;,=>;/$,71/

0 to 175° (-18 to 79°C).

&2/;6,500/-= 626: ±0.02% FS/°F.

628: ±0.04% FS/°F (includes zero and

span).

#;/<<>;/D363=<DSee table.

#8@/;$/:>3;/6/7=< 10-30 VDC (for

4-20 mA, 0-5, 1-5, 1-6 VDC outpus);

13-30 VDC (for 0-10, 2-10 VDC

outputs); 5 VDC ±0.5 VDC (for 0.5-4.5

VDC ratio-metric output).

">=9>=%317,5 4-20 mA, 0-5 VDC,1-5

VDC, 0-10 VDC, or 0.5-4.5 VDC.

$/<987</&36/D300 ms.

889$/<3<=,7-/D0-1000 Ohms max.

R max = 50 (Vps-10) Ohms (4-20 mA

output), 5K Ohms (0-5, 1-5, 1-6, 0-10,

2-10, 0.5-4.5 VDC output).

>;;/7=87<>69=387D38 mA

maximum (for 4-20 mA output); 10 mA

maximum (for 0-5, 1-5, 1-6, 0-10, 2-10,

0.5-4.5 VDC output); 140 mA

maxumum (for all 626/628/629-CH with

optional LED).

5/-=;3-,5877/-=387<DConduit

Housing (-CH): terminal block, 1/2˝

female NPT conduit; General Purpose

Housing (-GH): cable DIN EN 175801-

803-C.

#;8-/<<877/-=387 1/4˝ male or

female NPT and BSPT.

7-58<>;/$,=371 NEMA 4X (IP66).

8>7=371";3/7=,=387DMount in any

position.

)/312= 10 oz (283 g).

1/7-B99;8?,5< CE.

!%&&"!

 8-,=387 Select a location where the temperature of the transmitter will be

between 0 and 175°F (-18 to 79°C). Distance from the receiver is limited only by

total loop resistance. The tubing or piping supplying pressure to the unit can be

practically any length required but long lengths will increase response time slightly.

#8<3=387 The transmitter is not position sensitive. However all standard models

are originally calibrated with the unit in a position with the pressure connection

downward. Although they can be used at other angles, for best accuracy it is

recommended that units be installed in the position calibrated at the factory.

#;/<<>;/877/-=387 Use a small amount of plumber’s tape or other suitable

sealants to prevent leaks. Be sure the pressure passage inside the port is not

blocked.

5/-=;3-,5877/-=387<

)3;//71=2-The maximum length of wire connecting the transmitter and receiver

is a function of wire size and receiver resistance. Wiring should not contribute more

than 10% of the receiver resistance to total loop resistance. For extremely long

runs (over 1000 feet), choose receivers with higher resistance to minimize the size

and cost of connecting leads. Where wiring length is under 100 feet, wire as small

as 22 AWG can be used.

87.>3=8><371

LIQUID TIGHT FITTING

CORD DIAMETER RANGE

.200 to .350 (5.08 to 8.89)

1-9/32

[32.54]

2-15/16 [74.61]

OPTIONAL 1/4 NPT

FEMALE FITTING

3-1/2 [88.90]

1/4 NPT

MALE FITTING

3/4

[19.05]

1/4 NPT

5-1/2 [139.70]

1-3/32

[27.76]

/7/;,5#>;98</8><371

7/8 [22.23]

HEX

1/4 NPT

2-27/64 [61.52]

3-13/64 [81.36]

055/64 [21.83]

www. .com information@itm.com1.800.561.8187

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An external power supply delivering 10-30 VDC with minimum current capability of

40 mA DC (per transmitter) is required to power the control loop. See Fig. A for

connection of the power supply, transmitter and receiver. The range of appropriate

receiver load resistance (RL) for the DC power supply voltage available is

expressed by the formula:

Shielded cable is recommended for control loop wiring.

87.>3= 8><371 @3=2  6 ">=9>=  Electrical connections to the

pressure transmitters are made to the terminal block located inside the housing.

Remove the screws and lift off the cover. Wire as shown in Fig. A, B or C. Use Fig.

A for current output connection. Use Fig. B for current output with optional LED

display. Use Fig. C for current output with optional LED display using two power

supplies.

If ordering optional pre-wired cable, black wire is negative (-) and red wire is

positive (+).

SPAN

ZERO

PRESS AND HOLD TO

ZERO THE DISPLAY

PRESS TO

DISPLAY

THE GAGE’S

PRESSURE

RANGE

YELLOW

LED DISPLAY CONNECTOR

TERM 1 (+)

TERM 2 (-)

TERM 4 (+)

OPTIONAL LED DISPLAY

RECEIVER

LED DISPLAY

POSITIVE SUPPLY

10-30 VDC

(140 ma)

POWER

SUPPLY

TRANSMITTER CONNECTION:

- TURN OFF POWER

- CONNECT THE POWER SUPPLY

AND RECEIVER TO TERM 1 AND

TERM 2 OF THE GAGE AS SHOWN

- CONNECT POWER SUPPLY (+) TO

TERMINAL 4 (REQUIRED FOR THE

OPTIONAL DISPLAY ONLY)

- INSTALL THE DISPLAY’S CONNECTOR

- TURN ON POWER

BE SURE TO TURN OFF POWER WHEN

CONNECTING OR REMOVING THE

DISPLAY’S CONNECTOR. FAILURE TO DO

SO CAN RESULT IN THE GAGE DAMAGE.

RLMax = Vps – 10

20 mA DC

1RED

2BLACK

3(NC)

4 (NC)

+ RECIEVER -

PRESSURE

TRANSMITTER

POWER

SUPPLY

10-30 VDC

31>;;/7=8>=9>=-877/-=387

>;;/7=">=9>=

31>;;/7=8>=9>=@3=289=387,5.3<95,B-877/-=387 31D#,-4,;.877/-=387

SPAN

ZERO

PRESS AND HOLD TO

ZERO THE DISPLAY PRESS TO

DISPLAY

THE GAGE’S

PRESSURE

RANGE

LED DISPLAY CONNECTOR

YELLOW

OPTIONAL LED DISPLAY

10-30 VDC

(40 ma)

10-30 VDC

(100 ma)

RECEIVER

LED DISPLAY

NEGATIVE SUPPLY

LED DISPLAY

POSITIVE SUPPLY

TERM 1 (+)

TERM 2 (-)

TERM 3 (-)

TERM 4 (+)

BE SURE TO TURN OFF POWER WHEN

CONNECTING OR REMOVING THE

DISPLAY’S CONNECTOR. FAILURE TO DO

SO CAN RESULT IN THE GAGE DAMAGE.

TRANSMITTER CONNECTION:

-TURN OFF POWER

-CONNECT THE POWER SUPPLY

AND RECEIVER TO TERM 1 AND

TERM 2 OF THE GAGE AS SHOWN

-CONNECT LED POWER SUPPLY (-)

TO TERMINAL 3

-CONNECT LED POWER SUPPLY (+)

TO TERMINAL 4

-INSTALL THE DISPLAY’S CONNECTOR

-TURN ON POWER

POWER

SUPPLY

LED SUPPLY

POWER SUPPLY

31>;;/7=8>=9>=@3=289=387,5D.3<95,B><371=@898@/;<>9953/<

31

SECTION A-A

TERMINAL 1: (+)

TERMINAL 2: (-)

TERMINAL 3:

(GROUND)

TERMINAL 4: (-)

TERMINAL 1: (+) T

31

3;<-26,7 ! 877/-=8; @3=2  6 When using cable version of -GH

General Purpose Housing, black wire is negative (-) and red wire is positive (+).

When using optional Hirschman DIN Plug, remove top-center screw and lift off the

terminal block assembly. Wire to terminals shown below in Fig. D. For optional 4-

pin M-12 connector, wire to pins as shown in Fig. E.

B; [+]

C; [Vout +]

A; [-]

B; [+]

C; [GND]

A; [-]

3-5/16 [84.14]

7/8

[22.23]

HEX

1/4 NPT Ø55/64

[21.83]

2-27/64 [61.52]

>;;/7=

">=9>=

(85=,1/

">=9>=

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("&8;("'&#'&"#$&"!

(Other outputs contact the factory) See Fig. G for connection of the power supply,

transmitter and receiver.

87.>3= 8><371  Electrical connections to the pressure transmitters are

made to the terminal block located inside the housing. Remove the screws and lift

off the cover. Wire as shown in Fig. G or Fig. H. Use Fig. G for voltage output

connection. Use Fig. H for voltage output with optional LED display connection. If

ordering optional pre-wired cable, black wire is negative (-), red wire is positive (+)

and white wire is +Vout.

3;<-26,7!D877/-=8;@3=2(85=,1/">=9>=When using cable version of

-GH General Purpose Housing, black wire is negative (-), red wire is positive (+)

and white wire is output. When using optional Hirschman DIN Plug, remove top-

center screw and lift off the terminal block assembly. Wire to terminals shown

below in Fig. I. For optional 4-pin M-12 connector, wire to pins as shown in Fig. .

If utilizing optional A-164 cable for M-12 connection, brown wire corresponds to pin

#1, white #2, blue #3, and black #4.

SPAN

ZERO

PRESS AND HOLD TO

ZERO THE DISPLAY PRESS TO

DISPLAY THE

GAGE’S

PRESSURE

RANGE

LED DISPLAY CONNECTOR

YELLOW

OPTIONAL LED DISPLAY

TERM 1 (+)

TERM 2 (-)

TERM 3 (-)

TERM 4 (+)

BE SURE TO TURN OFF POWER WHEN

CONNECTING OR REMOVING THE

DISPLAY’S CONNECTOR. FAILURE TO DO

SO CAN RESULT IN THE GAGE DAMAGE.

TRANSMITTER CONNECTION:

- TURN OFF POWER

- CONNECT POWER SUPPLY

(+) TO TERMINAL 1

- CONNECT POWER SUPPLY

(-) TO TERMINAL 2 AND TO

THE RECEIVER (-)

- CONNECT THE RECEIVER

(+) TO TERMINAL 3

- CONNECT LED POWER SUPPLY

(+) TO TERMINAL 4

- INSTALL THE DISPLAY’S

CONNECTOR

- TURN ON POWER

LED DISPLAY POSITIVE SUPPLY

+ V OUT

RECEIVER

POWER

SUPPLY

31D(85=,1/8>=9>=@3=289=387,5.3<95,B-877/-=387

PRESSURE

TRANSMITTER

1RED

2BLACK (COMMON)

3 WHITE (+V OUT)

4(NC)

RECEIVER

+V in

POWER

SUPPLY

31(85=,1/8>=9>=-877/-=387

(85=,1/">=9>=

SECTION A-A

TERMINAL 1: (+)

TERMINAL 2: (-)

TERMINAL 3: [OUTPUT]

31

TERMINAL 1: (+)

TERMINAL 4: (-)

TERMINAL 3:

(GROUND)

TERMINAL 2:

(Vout)

31

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(Other outputs contact the factory) See Fig. K for connection of the power supply,

transmitter and receiver.

/7/;,5#>;98</8><371@3=2$,=386/=;3-">=9>=When using cable version

of -GH General Purpose Housing, black wire is negative (-), red wire is positive (+)

and white wire is output. When using optional Hirschman DIN Plug, remove top-

center screw and lift off the terminal block assembly. Wire to terminals shown

below in Fig. L. For optional 4-pin M-12 connector, wire to pins as shown in Fig. M.

If utilizing optional A-164 cable for M-12 connection, brown wire corresponds to pin

#1, white #2, blue #3, and black #4.

!&!!

After final installation of the pressure transmitter and its companion receiver, no

routine maintenance is required. A periodic check of system calibration is

suggested. The Series 626 and 628 transmitters are not field repairable and should

be returned if repair is needed (field repair should not be attempted and may void

warranty). Be sure to include a brief description of the problem plus any relevant

application notes. Contact customer service to receive a return goods authorization

number before shipping.

PRESSURE

TRANSMITTER

1RED

2BLACK (COMMON)

3WHITE (+V OUT)

4(NC)

RECEIVER

+V in

POWER

SUPPLY

5VDC

±10%

31(85=,1/8>=9>=-877/-=387

(85=,1/">=9>=

SECTION A-A

TERMINAL 1: (+)

TERMINAL 2: (-)

TERMINAL 3: [OUTPUT]

31

TERMINAL 1: (+)

TERMINAL 4: (-)

TERMINAL 3:

(GROUND)

TERMINAL 2:

(Vout)

31

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