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1.Preface

1.1 General Specifications

ERM-3770 series Digital Tachometers are design for measuring the period in Industry. They can

be used in many applications with their easy use, alarm output, universal process input
properties. You can easily adapt them to automation systems and mechanical process.
Some application fields which they are used are below:

Glass
Plastic
Petro-Chemistry
Automotive, Textile
Machine Production Industries
etc.

Period measurement

Frequency measurement
Band Speed measurement
Linear or circular movement
Instantaneous Flow rate

Application Fields

Applications

ERM-3770

Optional

Power Supply
Input

Alarm Output
(SSR Driver Output)

Process Input

Alarm Output

Standard

230 V

(±%15) , 50/60 Hz

Optional Power Supply

115 V

(±%15) , 50/60 Hz

24 V

(±%15) , 50/60 Hz

V
W

24 V

( -%15 ; +%10) 50/60 Hz

Optional

Alarm Output
(Relay Output)

Switch

Proximity Sensor

(NPN, PNP)

Optic Sensor

Содержание ERM-3770

Страница 1: ...g with Process Set and Alarm Set value Alarm output Relay or SSR driver output It must be determined in order Alarm Set value boundary 0 07Hz to 10000Hz input signal Automatic sampling 1 sec to 16 sec...

Страница 2: ...re explained Also in these sections there are warnings to prevent serious injury while doing the physical and electrical mounting or using the device Explanation of the symbols which are used in these...

Страница 3: ...ROXIMITY CONNECTION 3 5 2 SWITCH CONNECTION 3 6 GALVANIC ISOLATION TEST VALUES OF ERM 3770 DIGITAL TACHOMETER 3 7 2 SSR DRIVER OUTPUT CONNECTION 4 1 FRONT PANEL DEFINITION OF ERM 3770 DIGITAL TACHOMET...

Страница 4: ...following directives Digital Tachometer 73 23 EEC The Low Voltage Directive as amended by 93 68 EEC 89 336 EEC The Electromagnetic Compatibility Directive EN 61000 6 4 2007 EMC Generic Emission Stand...

Страница 5: ...used are below Glass Plastic Petro Chemistry Automotive Textile Machine Production Industries etc Period measurement Frequency measurement Band Speed measurement Linear or circular movement Instantan...

Страница 6: ...the mechanical reliability of the device Use a cloth dampened in ethyl alcohol or water to clean the external plastic case All order information of ERM 3770 Digital Tachometer are given on the table...

Страница 7: ...ower off until all of the wiring is completed so that electric shock and trouble with the unit can be prevented Never attempt to disassemble modify or repair this unit Tampering with the unit may resu...

Страница 8: ...gital Tachometer With Alarm Output Mounting Clamp Front Panel IP65 protection NEMA 4X Panel surface maximum thickness 15 mm 0 59 inch 8 Maximum 15 0 59 inch mm 58 5 mm 2 30 inch 4 mm 0 16 inch 35 mm 1...

Страница 9: ...inch min 29 mm 1 14 inch 71 mm 2 79 inch 9 2 3 Front View and Dimensions of ERM 3770 Digital Tachometer Without Alarm Output Maximum 15 0 59 inch mm 58 5 mm 2 30 inch 4 mm 0 16 inch 35 mm 1 38 inch 77...

Страница 10: ...ting the device in your panel make sure that the cut out is the right size 2 Insert the device through the cut out If the mounting clamps are on the unit put out them before inserting the unit to the...

Страница 11: ...ing clamps to the fixing sockets that located left and right sides of device and make the unit completely immobile within the panel Before starting to remove the unit from panel power off the unit and...

Страница 12: ...ues These parameters must be set according to the system s needs Only qualified personnel and technicians should work on this equipment This equipment contains internal circuits with voltage dangerous...

Страница 13: ...he process being controlled and personnel injury c a P N 770 ERM 3 Y c OUTPUT NO NC C 5A 250V V 1 2 3 4 5 6 7 8 9 10 11 12 Power Supply Input It must be determined in order 230 VA 115 VA VA V 15 50 60...

Страница 14: ...V Supply Voltage Input Without Alarm Output V 2 Y ca L N OUTPUT 230 V 15 50 60 Hz 1 5 VA V 3 4 1 5 NO NC C 5 A 250 V V 6 7 8 9 10 11 12 12 V 35 max 30 mA Z 0 VZ Input 0 07 Hz 10 kHz P N ERM 3770 5 00...

Страница 15: ...f the relevant instrument Power supply switch and fuse must be put to a place where user can reach easily c Power supply switch must be two poled for seperating phase and neutral On Off condition of p...

Страница 16: ...PROX PNP PNP type operation 10 12 11 12 V Max 30mA Z 0 V Z Input PROX NPN NPN type operation Sensor Supply Voltage is 12 V 35 maximum 30 mA Z i 3 5 2 Switch Connection 10 12 11 Input Switch 0 V Z 12...

Страница 17: ...ital Tachometer Power Supply 4 5 Ground 12 2000V V 2000V V 2000V V 2000V V 2000 ERM 3770 V for 5 5 V 00V for ERM 377 3 V 0 1 2 Alarm Output SSR Driver Output 1 2 1 2 Alarm Output Relay Output Process...

Страница 18: ...ement SSR 2 Device L N 1 Fuses must be selected according to the application c c Max 15 V Max 28 mA Z 3 7 Alarm Output Connections Fuses must be selected according to the application c Device 1 Load L...

Страница 19: ...ition of ERM 3770 Digital Tachometer Without Alarm Output 4 1 Front Panel Definition of ERM 3770 Digital Tachometer With Alarm Output Note 1 If increment or decrement button is pressed for 5 seconds c...

Страница 20: ...ain Operation Screen Process Set Value Screen When SET button is pressed SV LED lights on and process set value is shown on the display SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV...

Страница 21: ...can be adjusted from 0 to 5000 Alarm Output Type Selection Parameter Default 1 Proses high alarm Proses low alarm Deviation high alarm Deviation low alarm Deviation band alarm Deviation range alarm Al...

Страница 22: ...s 0 programming mode is accessed without entering password Alarm Operation type Selection Parameter Default 0 The unit starts to control the alarm output when the power on The unit starts to control t...

Страница 23: ...put is passive Alarm latching output is selected Process HighAlarm Process LowAlarm ON OFF Process Value ON OFF Alarm Output Process Value i Alarm Set Value Alarm Output Power Alarm Status Alarm Outpu...

Страница 24: ...arm Deviation LowAlarm ON OFF Alarm Output Process Value ON OFF Alarm Output Process Value Deviation BandAlarm Deviation RangeAlarm ON OFF Alarm Output Process Value ON OFF Alarm Output Process Value...

Страница 25: ...ssword with Increment and Decrement Buttons Confirm the password with SET OK Button 25 Programming Mode Accessing Password SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV SET P OP SIG...

Страница 26: ...n Password Entering Screen Main Operation Screen Division rate Input Type Selection P P SIG P P SIG P P SIG P P SIG P P SIG P P SIG Decimal Point Position Program Mode Accessing Password P P SIG P P S...

Страница 27: ...ogramming mode entering screen is not seen Division rate parameter is seen 27 SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV SET P OP SIG SV SET P OP S...

Страница 28: ...the next parameter Change the value with increment and decrement buttons Input Type Selection Value Press Set OK button for saving the parameter Input Type Selection Parameter Press Set OK button for...

Страница 29: ...0 P OP SIG SV Digital Tachometer SET ERM 3770 P OP SIG SV Digital Tachometer SET ERM 3770 P OP SIG SV Digital Tachometer SET ERM 3770 P OP SIG SV If the Process Value is lower than 1 then this screen...

Страница 30: ...one conductive pollution Continuous 12 V 30 mA 35 Maximum Applicable Voltage 24 V Logic 1 minimum level 3 V Logic 0 maximum level 2 V 230 V 50 60 Hz 1 5 115 V 50 60 Hz 1 5 24 V 50 60 Hz 1 5 Resistive...

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