DEIF Multi line 2 V2.4X Installation Manual

DEIF Multi line 2 V2.4X Installation Manual

Product Overview

1. Product positioning

Multi line 2 is a multifunctional diesel generator set integrated control and protection machine based on microprocessors, with modular slot design. It is adapted to single machine, parallel machine, and grid connected scenarios through optional hardware/software functions, and is divided into three basic models:

GPC/PU parallel controller: generator parallel control unit, supporting multiple units in parallel and grid connection;

GPU generator protection unit: focuses on unit relay protection, without complete synchronous parallel control logic.

2. Standard standard features

(1) GPC/PU (parallel model) standard configuration

Operation mode: standalone, multi machine parallel, and grid connected operation;

Control logic: synchronous grid connection, active/reactive power allocation, constant frequency/constant power/differential mode;

Standard Protection (ANSI): 32 reverse power, two sections 51 overcurrent, one section overcurrent;

Measurement: Three phase true effective value, voltage/current input electrical isolation;

Human machine: independent split LCD display screen, graded password, fault event records (150 records);

Communication standard: GSM SMS alarm, remote dial-up debugging of computer software.

(2) GPU (protective type) standard configuration

Core: Complete set of relay protection for the generator;

Protection is the same as GPC, supporting two independent alarm settings, alarm lockout, and buzzer relays;

Measurement: kWh/kVarh pulse output, three-phase isolation measurement;

Communication, event recording, GSM SMS are consistent with GPC.

3. Optional extension functions (modular hardware slot optional)

Divided into four categories of hardware options: communication, speed and voltage regulation, engine acquisition, and IO expansion:

Communication card (H series): CANopen (H1), Modbus RTU (H2), Profibus (H3), Caterpillar CCM (H4), MTU/J1939 (H5), Cummins ECM (H6);

Control output card (D/E/EF series): analog ± 20mA speed and voltage regulation, PWM speed regulation, differential output, combination relay/analog output;

Engine interface M series: M1 (Pt100 temperature+4-20mA analog), M2 (VDO sensor);

IO extension M13/M14/M15: additional binary input, relay output, 4-20mA analog acquisition;

Synchronization card G2: hardware for bus synchronization and voltage matching;

4. Certification qualifications

Through T Ü V Nord, GOST-R, UL, and various major ship certification agencies, it meets the standards of maritime and land power stations.

Installation specifications

1. Two installation methods

DIN rail installation: commonly used for indoor control cabinets;

Bottom plate screw fixation (6 mounting holes): Mandatory requirement for maritime applications, with stronger seismic performance.

2. Split display design

Inside the main body installation cabinet, the LCD operation screen is separately installed on the cabinet door and connected with a dedicated display cable;

3. Hole size

At the end of the manual, provide a millimeter drawing of the panel opening, specifying the length and width of the screen body, the position of the fixing screws, and the reserved installation clearance.

Complete set of hardware slots and terminals

The whole machine is composed of multiple PCB slots (Slot1~Slot8), and the green terminal block partition is defined to distinguish the differences between GPC and GPU terminals. Each slot has a fixed function:

Universal functional partition for each slot

Slot1: Power board (standard)

Power supply: 12/24VDC (8-36V wide);

Relay 1~4:250VAC/8A programmable output (trip, open/close, alarm);

Pulse collector output: kWh, kVarh metering pulses;

Optocoupler binary input: alarm reset, alarm lockout, synchronization allowance, ROCOF vector jump lockout, etc.

Slot2: Communication options H1/H2/H3

CANopen, Modbus, Profibus bus terminals, internal dual circuit parallel connection for easy hand in hand networking.

Slot3: Load distribution/switch input (GPC standard, enabled when GPU only comes with G2 sync card)

Simulate load distribution signal (active/reactive -5~+5V);

0~± 10V external power/frequency/power factor given;

Manual acceleration and deceleration, voltage regulation, load reduction, mode switching, circuit breaker on/off status input;

5~8 programmable relay outputs.

Slot4: Speed and Voltage Regulating Relay/Analog/PWM Output Options

Speed control up/down, AVR excitation up/down relay; ± 20mA simulated given, PWM speed control signal.

Slot5: Three phase AC measuring board (standard across the entire series)

Generator CT current: 1A/5A dual specifications;

Generator PT voltage, bus PT voltage (up to 690V phase to phase), including neutral terminal;

The voltage and current circuits are completely electrically isolated.

Slot6: Analog transmission output F1/PWM differential output EF3

Two 4 (0) -20mA programmable analog transmitters.

Slot7: Engine interface M1/M2 options

4-channel 4-20mA analog acquisition;

Two way three wire Pt100 temperature sensor (-40~250 ℃);

VDO oil pressure/water temperature/liquid level sensor (M2 specific);

Speed magnetic pickup input;

Start, stop, and pre start relay outputs;

Engine malfunction, emergency stop, and operation feedback optocoupler input.

Slot8: Extend IO/Engine Bus H4/H5/H6

M13: 7 additional binary inputs;

M14: 4-channel relay;

M15: 4-channel 4-20mA analog input;

H4/H5/H6: Carter MTU、 Cummins engine bus communication terminal.

General electrical specifications for terminals

Binary input: Bidirectional optocoupler, conducting at 8-36VDC and disconnecting at<2V;

Power relay: 250VAC 8A resistive; The device status relay is only 1A;

Analog output: active 4-20mA, maximum load 500 Ω;

AC CT: Continuous 4 times rated, withstand 20 times rated current for 10 seconds, and withstand 80 times rated current for 1 second.

Complete set of wiring specifications

1. AC wiring (three-phase/single-phase/phase separated)

The PT/CT wiring distinguishes between the generator side and the busbar side, and the neutral terminal is only connected to the three-phase four wire connection;

CT secondary single ended grounding, with 2A slow melting fuse for the circuit;

Synchronous disconnection protection: When the busbar fuse is blown, it automatically closes through input locking.

2. DC direct current wiring

Load distribution line: Forced shielded twisted pair, -5~+5V differential signal;

Binary input: 12/24V DC passive switch connection, common terminal common negative pole;

External simulation given: 0/± 10V potentiometer requires external power supply;

Measurement pulse output: The maximum collector current is 10mA, and an external DC power supply is required.

3. Requirements for inductive load suppression of relays

DC coil freewheeling diode, AC coil RC absorption/VDR varistor. Failure to increase suppression may result in controller false reset.

4. Various communication wiring rules

All communication cables must be shielded from twisted pair cables, and the shielding layer must be grounded at one end

Display cable (9-pin Sub-D): up to 6m in length, with metal connectors shielded;

Modbus/Profibus/CANopen: Hand in hand networking, with a terminal resistance of 120 Ω at the end of the bus;

Engine specific bus:

Carter CCM: RS232;

MTU/J1939: CAN bus;

Cummins ECM: RS485 Modbus;

The document includes complete terminal wiring diagrams for each type of bus.

Technical parameters of the whole machine

1. Measurement accuracy

Voltage and current: 1.0 level; Negative sequence current level 2.0, compliant with IEC 60688;

2. Environmental conditions

Operating temperature: -25~70 ℃ (UL certified maximum 55 ℃);

Storage: -40~70 ℃;

The highest humidity is 97% RH, which meets the standard of wet heat cycle;

3. Insulation and voltage resistance

3250VAC for 1 minute between AC circuit and IO; 500VDC isolation between analog/switch signals;

4. Power supply specifications

12/24VDC wide, maximum power consumption of 8W, recommended DEIF DCP-2 power supply, input with 2A slow melting fuse;

5. Machinery and Protection

Host IP20, split display IP54 (with sealing gasket);

Anti vibration and impact meet the requirements of marine IACS and IEC 60255 standards;

UL94 V1 self extinguishing plastic shell;

6. Response speed

Bus overvoltage/underfrequency<50ms; generator electrical quantity 70~300ms; ROCOF 100ms, vector jump 30ms, quick break<42ms;

7. Size and weight

The host is 220 × 115mm, with a net weight of 1.6kg. The document comes with precise millimeter hole drawings.

Summary of core differences in aircraft models

GPC/PU: complete parallel, synchronous, active and reactive power allocation logic, suitable for multi unit power stations;

GPU: only generator protection, no complete grid connected hardware channel, suitable for single standby units;

The hardware slot layout is basically the same, only the Slot3 synchronization/load distribution terminal GPU is left vacant by default (only enabled with the optional G2 synchronization card).