EOCR-iFMZ New digital !!! Electronic Over Current Relay (EOCR)Phase selection For single phase /...

Page : 1/15Enertric Limited. Bangkok Thailand T: 027282902, 0 23732734 F:027281779 et@enertric.comwww.Enertric.com

EOCR-iFMZ

Model : iFMZ-WRDUH

New digital !!! Electronic Over Current Relay (EOCR)

EOCR-iFMZ

New digital !!! EOCR with Communication

i-Series Integrated model, Improved functionsModbus RS-485 CommunicationRoHS CompliantSupport thermal inverse protection

i3DM / i3MZ / i3M420 / i3MZ iFDM / iFMZ / iFM420 / iFMS

EOCR-iFMZ-WRDUH + Cable RJ45-003

EOCR-iFMZ

General Features

Micro-Controller Unit basedReal time processing / High precisionProtections : Over current, Under current, Phase loss, Phase reversal, Stall, Jam, Current

imbalance, Earth fault protection only for model (i3MZ/iFMZ)Thermal protection / Inverse available up to 32Amps without external CTs.Auxiliary functions : Fail safe, Accumulated running hour, 3 fault records & limitation of auto-

restart. Communication : Modbus / RS-485Reinforced monitoring function : Monitoring distance up to 400M, 3 phase current display, Trip

cause indicationBar graph indication of a load current to the current setting.Available application on single and 3 phase motorRoHS ComplianceFor iFDM/iFMZ/iFMS/iFM420, normal protections are guaranteed even if PDM is disconnected.

EOCR-iFMZ

Protection functions : ป้องกันอะไรได้บ้าง?Protection item Condition & Setting range Operation time

Over current (oc) Condition : Load current (In) exceeds setting current (Is)

Setting range : 0.5~60A (Def), 0.5~32A (Inv & th)

Definite (Def) : 0.2~30s Adjust.Inverse (Inv) &Thermal (th) : 1~30 class

Under current (uc) Condition :Load current (In) less than setting currentIn ≤uc

uc should be less than oc settingoFF, 1~10s Adjustable

Phase loss (PL) Condition : max imbalance is more than 85% among 3 phase

current, Enable or disable : SelectableoFF, 0.5~5s Adjustable

Reverse phase (RP) Condition : Reversed phase sequence input on EOCR.

Enable or disable : SelectableWithin 0.15s

Stall (Sc)Condition : In ≥Stall current setting (Sc).Active only in motor

starting 0.5~30A :2~8 times of oc setting~40A : 2~6 times,~60A : 2~4 times.

Right after D-time elapsed

Jam (JA)Condition : In ≥ Jam current setting (JA).Active only in motor running

0.5~50A :1.5~5 times of oc setting~60A : 1.5~4 times of oc setting

0.2~5sAdjustable

Imbalance (IM) Condition :Current imbalance≥Setting imbalance %

Setting range : 10~50% of imbalance1~10sAdjustable

Earth fault (EF) Condition : EF current (Ie) exceeds setting current (Ies)

OFF, 0.03~10A

0.05~5s Adjustable-- i3MZ/iFMZ only --

Short circuit (SH)Condition : SC current (Is) exceeds setting

current (Iss) 0.5~10A : 2~22 times of oc setting,~20A : 2~11 times of oc setting

0.05sec-- i3MS/iFMS only --

EOCR-iFMZ

Auxiliary functions : ช่วยเสริมสนับสนุนการป้องกัน

Password For secured setting parameters

Communication Monitoring currents and trip status by network

Phase selection For single phase / three phase motor selection

TCC selection Available three time-current-characteristics (Definite, Inverse,Thermal inverse)

CT ratio For the current setting more than 60A (20A : i3MS/iFMS) and less than 0.5A

Fail safe selection Fail safe operation for OL trip output

Pre alarm selection Pre alarm signaling by the 07-08 output contact -- i3MS/iFDM only --

Total running hour Total accumulated running hour from the installation which cannot be modified andreset .

Running hour Display or provied a time-out signal to the 07-08 output contact. -- i3MS/iFDM only --

Reset mode Manual / Auto / Electrical ; selectable

Trip cause memory Store the latest 3 trip causes

Restart limitation The maximum auto-restart number within 30 minutes in auto-reset mode.

EOCR-iFMZ

3 phase load currents (In) are displayed every 2 seconds in sequence

New digital !!! Electronic Over Current Relay (EOCR)

EOCR-iFMZ

Current DisplayShows the highest current among

three phases for OC, Stall, Jam trips.Shows the lowest current among

three phases for UC, UBShows the lost phase for PL.Shows the phase and the current

during running.Amp : Ampere. LED is on when a current display.x 10 : Shows the unit changed to 10 times.Sec : Second. LED is on when a time display.

Bar graphit shows the load factor to OC setting value

by %% value = (running current/setting current) *

100%Min scale is 65%if the setting value is the rated motor current,

it shows the load factor of the motor.

Display : หน้าจอแสดงผล

EOCR-iFMZ

จอแสดงคา่กระแส• แสดงคา่กระแสสงูสดุเมือ่เกดิ กระแส

เกนิOver Load , Stall, Jam trips.• แสดงคา่กระแสตํา่เกนิ เมือ่เกดิการ

Trip เนือ่งมาจากกระแสตํา่ UC, UB• แสดงคา่ไฟขาดหรอื Phase loss PL.

กระแส : หนา้จอ LED จะแสดงคา่กระแสเมือ่มกีระแสไหลผา่น โดยจะบอกคา่กระแสมอเตอรท์ัง้ 3 เฟสสลบัหมนุวนไปทกุๆ 2 วนิาที

กราฟแทง่• แสดงคา่เป็น % load factor OC ทีต่ัง้

เอาไว ้• แสดงคา่กระแสเป็น % value = (running

current/setting current) * 100%• Min scale is 65%

Display : หน้าจอแสดงผล

EOCR-iFMZ

Typical wiring : วงจรการต่อสายเบือ้งต้น

EOCR-iFMZ

Order code : EOCR-iFMZ-WRDUH + Cable RJ45-003

Terminal ขัว้ต่อสาย และ ขนาด

EOCR-iFMZ

รหสัอ ักษรแต่ละตวัหมายถงึอะไร?

EOCR-iFMZ

Order code : EOCR-iFMZ-WRDUH + Cable RJ45-003EOCR-iFMZ with Ground fault protectionWR Current range 0..60 AD Contact type b(95-96) :OC, a(57-58) : GRU Control voltage 100-240 VAC/DCH CT Type Bottom hole typeCable RJ45-003 Cable 3 m.

รหสัการส ัง่ซือ้ : EOCR-iFM420-WRDUH + Cable RJ45-003EOCR-iFM420 ชนดิ ม ีAnalog 4~20mAWR ยา่นพกินัการใชง้านกระแส 0..60 AD รปูแบบหนา้รเีลย์ b(95-96) :OC, a(57-58) : GRU แรงดนัไฟเลีย้ง100-240 VAC/DCH CT เป็นชนดิมรีรูอ้ยสายอยูด่า้นใต ้Cable RJ45-003 สาย RJ45 ยาว 3 เมตร

EOCR-iFxxx Terminal typeEOCR-iFxxx Bottom hole type

EOCR-iFxxx Window type

ตอ้งสัง่ซือ้ Z-CT (Zero Current Transformer) เพิม่ตามขนาดของรทูีจ่ะรอ้ยสาย เชน่ขนาดร ู35, 80 120 mm. เพือ่ใชจ้ับกระแสรั่วลงดนิ

EOCR-iFMZ

Option

EOCR-iFMZ

ภาพตวัอย่างของจริง พร้อมกล่อง

EOCR-iFMZ

ภาพตวัอย่างของจริง รับประกันสินค้า 12 เดอืน

EOCR-iFMZ New digital !!! Electronic Over Current Relay (EOCR)Phase selection For single phase /...

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