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MODEL 3760 

D C  VO L T & 4-2 0 mA   PA N E L  ME TE R

 

 

2

 

C

O N N E C T I O N S

The 

Model 3760 I/O CONNECTIONS

 are via removable screw terminals which will accept wire sizes 

fro m AWG 12 to 26. 

N O T E :

 The recommended transducer cabling would be twisted pair, 

individually shielded - wired as indicated (Fig. 6). Table 1 denotes screw terminal assignments 

Rear Panel Connections 

HOLD

TARE

LOGIC COM

TARE ENABLE

 EXCITATION

 EXCITATION

mA ENB

 SIGNAL

  SIGNAL

EXC COMMON

SHIELD

VDC COM

V OUT SEL

V OUT FAST

4-20 mA COM

4-20 mA OUT

+ _

_

+

N/C

N/C

R CAL 

3760

CM FAULT

N/C

N/C

mA 

_

Table 1 

Connector 

Screw 

Terminal 

Line 

Number  

Terminal 

Label 

Function 

J1 

N/C 

J1 

N/C 

J1 

HOLD 

J1 

TARE 

J1 

TARE ENABLE 

J1 

LOGIC COM 

J1 

R CAL 

J1 

N/C 

J1 

CM FAULT 

J1 

10 

N/C 

No connection 

No connection 

Input Analog Hold command 

Input Analog TARE command 

External TARE enable input 

Logic Common  

Remote Calibration Command 

No connection 

Common Mode Fault output

No connection 

J2 

+ EXCITATION 

J2 

- EXCITATION 

J2 

mA ENABLE 

J2 

- mA 

J2 

+ SIGNAL 

J2 

- SIGNAL 

J2 

EXC COMMON 

J2 

SHIELD 

+ Excitation Power 

- Excitation Power 

Jumper Connection to Enable mA input

- Negative 4-20 mA Input Signal from sensor 

+ Signal Input (VDC or mA)from sensor 

- Signal Input from sensor 

Excitation common 

Case Shield for cable termination 

J3 

V OUT COM 

- Signal Output Voltage Common 

J3 

V OUT SEL 

+ Signal Output Voltage – Filter Select 

J3 

V OUT FAST 

+ Signal Output Voltage – 5 kHz Filter 

J3 

4-20 mA COM 

Current Output Common 

J3 

4-20 mA OUT 

Current Output Signal 

Page

 7

 

Summary of Contents for 3700 Series

Page 1: ...MODEL 3760 DC VOLTAGE CONDITIONER SB 1 1 INSTRUCTION MANUAL 3700 Instrument Series...

Page 2: ...nto de este instrumento debe ser realizada por personal calificado solamente El C digo El ctrico Nacional define a una persona calificada como una que est familiarizada con la construcci n y operaci n...

Page 3: ...lektrische Sicherheitsauflagen f r Angestellt Arbeitspl tze ANSI NFPA 70E 2012 der Vereinigten Staaten und alle zus tzlichen Arbeitsplatzsicherheitsauflagen folgen die auf Ihre Installation anwendbar...

Page 4: ...ue el material aislante no tenga rajaduras Reemplace de inmediato cualquier parte defectuosa Mesures de S curit Les mesures de s curit suivantes doivent tre prises chaque fois qu un type de connexion...

Page 5: ...sein wenn Sie Anschl sse an den Stromkreisen durchf hren Stellen Sie sicher da das Ger t AUSgeschaltet ist bevor Sie an der r ckw rtigen Konsole Me f hler anschlie en Pr fen Sie vor jedem Gebrauch al...

Page 6: ...it scaling up to 199950 independent of the analog full scale signal The Model 3760 can be calibrated by the two point dead weight process involving known zero and full scale input parameters A conveni...

Page 7: ...0 in milliseconds 3db Frequency To within 1 within 1 within 02 Fast Output 5000 Hz 0 14 0 10 0 08 Selectable Output 200 Hz 3 7 5 0 5 6 20 Hz 37 50 56 2 Hz 370 500 560 1 a PANEL MOUNTING You can easily...

Page 8: ...ARE J1 5 TARE ENABLE J1 6 LOGIC COM J1 7 R CAL J1 8 N C J1 9 CM FAULT J1 10 N C No connection No connection Input Analog Hold command Input Analog TARE command External TARE enable input Logic Common...

Page 9: ...n external switch PLC or relay The LOG COM signal is used to activate the analog HOLD or Analog TARE offset to the meter s display and analog output signals present on J3 Fig 5 J1 Logic Controls HOLD...

Page 10: ..._ SHIELD EXC COMMON Linear Potentiometer Sensor Linear Potentiometer With Uni Directional output mA _ EXCITATION EXCITATION SIGNAL SIGNAL _ _ SHIELD EXC COMMON mA _ Linear Sensor Linear Transducer Wit...

Page 11: ...SIGNAL SIGNAL SIGNAL SIGNAL SIGNAL J3 Analog Output Connections Pin 1 V Out Common Signal out reference for Pin 2 and Pin 3 Signal Voltage Output Pin 2 Voltage Output Selected Signal out reference to...

Page 12: ...play Full Scale Range Range will equate to an analog output value of 5 Vdc or 10 Vdc per Analog Control switch placement Selection is set for 1 count in 5000 2 counts in 10000 and 5 counts in 20000 An...

Page 13: ...200 Vdc sensors Display Span Adjustments The Display Span Adjustment is used to adjust the digital readout of the 3760 meter the user calibrates the analog output for a specific span value and then a...

Page 14: ...h 50 mV to 200 Vdc With all switches in the UP position the unit will have the following settings 5 Vdc Analog voltage output full scale 4 20 mA Analog current output full scale The Analog low pass fi...

Page 15: ...ence Value is determined by the rear rotary switch located behind the rear panel See details after Section 4 calibration TARE Push Push switch When enabled offsets the present sensor signal input to Z...

Page 16: ...ro Span and Zero re adjustments may need to be repeated to obtain the desired reading Note that the 3760 meter also has independent display adjustment capability to where the digital display can be ad...

Page 17: ...an potentiometer controls overlaps each step to provide a continuous linear gain of the signal from 50 mVdc to 200Vdc full scale Below is a table of each wide gain steps indicating the nominal low and...

Page 18: ...een calibrated per the instructions above To access the calibration switch 1 Remove power from the instrument 2 Record the postition of the front panel Wide Span control 0 thru F position 3 Remove the...

Page 19: ...s When reassembling the fuseholder s make sure L and L are connected together and N and N labeled wires are connected together properly d Mate the rear panel to the enclosure and replace the clamp sli...

Page 20: ...cnico calificado para evaluar la condici n AVERTISSEMENT Ne remplacez pas le fusible une nouvelle fois si la d faillance se r p te Une d faillance r p t e indique une condition d fectueuse qui ne dis...

Page 21: ...Model 3760 DC VOLT 4 20mA PANEL METER Page 16 Page left blank...

Page 22: ...se price to the Buyer ANY PRODUCT FOUND TO BE DAMAGED THROUGH CUSTOMER NEGLIGENCE OR MISUSE MAY BE EXCLUDED FROM ANY AND ALL POLICIES CONTAINED IN THIS DOCUMENT ALL EQUIPMENT TO BE REPAIRED OR REPLACE...

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