CRE Technology Gensys Compact Prime Guide

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Table of c ontent s
Description ........................................................................................................................... 4
Presentation .................................................................................................................................... 4
Front Face ....................................................................................................................................... 6
Rear Face ........................................................................................................................................ 9
Panel Mounting ............................................................................................................................... 10
UL Requirements ............................................................................................................................ 12
Usage ........................................................................................................................................ 18
Password ....................................................................................................................................... 18
LCD ............................................................................................................................................... 19
Wiring ........................................................................................................................................... 21
Digital Inputs .................................................................................................................................. 27
Digital Outputs ................................................................................................................................ 29
Analog Inputs ................................................................................................................................. 30
Settings ................................................................................................................................ 34
Engine ........................................................................................................................................... 34
Circuit Breakers .............................................................................................................................. 38
Speed/Voltage Control .................................................................................................................... 42
Synchronization .............................................................................................................................. 45
Load/Unload Ramp ......................................................................................................................... 48
Regulation KW/KVAR ....................................................................................................................... 49
Protections ..................................................................................................................................... 51
Control Loop PID ............................................................................................................................. 54
Advanced Settings ..................................................................................................... 55
Droop ............................................................................................................................................ 55
Load Dependent Start/Stop .............................................................................................................. 56
Static Paralleling ............................................................................................................................. 59
Load Shedding ............................................................................................................................... 61
Maintenance Schedule .................................................................................................................... 63
Power Plant Application ................................................................................... 64
Load Sharing .................................................................................................................................. 64
Advanced Functions .................................................................................................. 67
Scheduler ...................................................................................................................................... 67
Alternative Selections ...................................................................................................................... 69
Easy Flex® .................................................................................................................................... 71
Modbus TCP Mapping ...................................................................................................................... 73
Logger ........................................................................................................................................... 74
Communications ............................................................................................................ 75
Network ......................................................................................................................................... 75
Modbus TCP/IP ............................................................................................................................... 77
CRE-Link® ..................................................................................................................................... 80
CANopen ....................................................................................................................................... 81
SAE J1939 ..................................................................................................................................... 82
CAN bus Good Practices .................................................................................................................. 89

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Website .................................................................................................................................... 91
Access ........................................................................................................................................... 91
File Transfer .................................................................................................................................. 92
Firmware Update ............................................................................................................................ 94
Appendices ......................................................................................................................... 95
Analog Voltage Regulation (AVR) ..................................................................................................... 95
ECU J1939 ..................................................................................................................................... 99
Analog Speed Regulation ............................................................................................................... 108
Short Circuit Protection .................................................................................................................. 113
Troubleshooting ............................................................................................................................ 121
Standards for Generator ................................................................................................................ 125
Certifications ................................................................................................................................ 126
Software Variables ....................................................................................................................... 129

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D es cr ipt ion
Presentation
GENSYS COMPACT PRIME
All-in-one synchronizing and paralleling controller
The GENSYS COMPACT PRIME is made for generators used in Power plant applications requiring
synchronizing, active and reactive load sharing and electrical/mechanical protections.
GENSYS COMPACT PRIME offers flexibility and time saving thanks to its simple wiring, all features included
(no option), and easy engineering and programming.
Hardware and Display
GENSYS COMPACT PRIME is available in both switchboard panel mounted version with display, or core base
mounted version. GENSYS COMPACT PRIME is also compatible with i4Gen touchscreen color display.
Software
GENSYS COMPACT PRIME is configurable from its front panel display, from i4Gen, or through the free CRE
PC software: CRE Config Software.

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Control and Management
·Complete engine control of diesel, gasoline or gas generators (preheating, pre-glow, ignition, start/stop…).
·Alternative or consecutive multiple starter management.
·Warm-up and cool down at idle or nominal speed.
·Remote start and TEST mode available On/Off load.
·Compatible with all J1939 electronic engines.
·Isochronous and Iso-voltage active and reactive load sharing.
·Fixed KW/KVAR load or Droop mode.
·Frequency and voltage control compensation for generators with droop governors and/orAVR/DVR.
·Synchronization and dead bus management.
·Static synchronization: generators breakers closing without excitation.
·Dynamic synchronization: Frequency, Phase and Voltage synchronization (Synch display available on
screen). Synch check (ANSI 25) + Phase sequence protection.
·New optimized PID loop with exceptional performance in synchronization, KW and KVAR control.
·Override mode (protections inhibition + dedicated hour meter) following NFE 37-312 certification.
·Non-essential load control on overload.
·Battery boost management.
·Configurable maintenance cycles.
·2 password levels.
·Automatic clock synchronization by CAN bus.

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Front Face
GENSYS COMPACT PRIME
PIN Buttons Functions
1 SHIFT button Additional functions.
2 RIGHT button Navigation button (Right).
3 DOWN button Navigation button (Down).
4 LEFT button Navigation button (Left).
5 UP button Navigation button (Up).
6 ENTER button Validating entry/ MENU.
7 ESC button Cancel entry/ escape MENU.
8 INFO button Allows direct access to the current Fault orAlarm display.
9(1) Generator circuit breaker
button
Can onlybe used in MAN mode.
Generator circuit breaker control.
Press to Open. Press to Close (synchronization & load transfer will be
done automatically if Bus is powered & configuration is setup for
paralleling operation).
10(1) Mains circuit breaker button
Can onlybe used in MAN mode.
Mains circuit breaker control.
Press to Open. Press to Close (synchronization & load transfer will be
done automatically if Bus is powered & configuration is setup for
paralleling operation).

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PIN Buttons Functions
11(1) STOP button
Can onlybe used in MAN mode.
Stop the Generator.
Pressing once this button will set the Generator offload and initiate cooling
down sequence.
12(1) START button Can onlybe used in MANmode.
Start the Generator.
13(1) MAN button MANmode.
The associated LED lights up when the mode is activated.
14(1) TEST button TEST mode.
The associated LED lights up if the mode is activated.
15(1) AUTO button AUTO mode.
The associated LED lights up when the mode is activated.
16 ALARMindicator The LED flashes when an alarm appears.
The LED is lit when an alarm is acknowledged, but not reseted.
17 DEFAULT indicator The LED flashes when a Fault occurs.
The LED is lit when a Fault is acknowledged, but not reseted.
18 LCD display Screen size: 40mm x 70mm; Back-light : typical 50cd/m2, configurable.
Type: STN; 64 x128 pixels.
(1) Not available according to controller type.
Note: Pressing it twice will setthe Generator offload and stop the engine without cooling down sequence.
Navigation keys
Keys Navigation mode Edition mode
Scrolling menus. Modifying parameters values once selected: When
up/down keys are used to modifyvalues, holding the
keywill accelerate the entryscrolling.
Navigating right/left in display. NA
+ will increase/decrease the
brightness of the LCD display.
+ will increase/decrease the
contrast of the LCD display.
In MAN mode, when the Generator is offload, use
to increase/decrease:
§The speed when the speed control page is
displayed.
§The voltage when the voltage control page is
displayed.
Note: Not available on MASTER COMPACT,
MASTER COMPACT 1Band BTBCOMPACT.
Return to parentmenu (press 3 times to return
to main screen) or to previous menu. Cancel setting and return to Navigation mode.
Accessing a menu / Switching to Edition mode. Validation of the modified parameter and return to
Navigation mode.

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Button inhibition
To inhibit front panel buttons, use the CRE Config Software/System/Button inhibition page. This page shows
the list of front panel buttons, tick the corresponding box to inhibit actions on the button.
Table below shows the 16 bits variable used for remote button inhibition by Modbus, each bit is assigned to a
button:
Variable Label Description
[3557] Inhibit key Each 1-bit inhibits a front panel button.
Relation button/inhibition bit [3557]
External button requests
It is possible to remotely activate button actions by Modbus TCP, for a remote manual control for example.
If a button action is controlled by Modbus TCP, the last request received (external or from the front panel) is
treated in priority and cancel the previous request.
MAN / AUTO: If the 2 modes are requested, the MAN mode request cancels the AUTO mode one.
The buttons on the front panel can be replaced by external commands via digital inputs.
Modbus TCP/IP
Modbus mapping

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Rear Face
GENSYS COMPACT PRIME
Simplified Wiring Diagram

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Panel Mounting
The unit is designed for panel mounting, which provides user with access only to the front panel.
WARNING
THE UNIT IS NOT GROUNDED
·Take all measures against Electronic Static Discharges.
·Do not try to open the unit.
Failure to follow these instructionsmay damage the unit.
Environmental requirements:
·Operating temperature: -20…70°C (-4...158°F); LCD display slows down a bit under -5°C (23°F). Avoid direct
exposure to the sun.
·Storage temperature: -40...70°C (-40...158°F).
·Altitude: ≤ 4000m (13123ft) for a max AC voltage of 480VAC; ≤ 5000m (16404ft) for a max AC voltage of
400VAC.
Unpacking
Make sure the packaging contains:
·The unit.
·Four caps and screws packaged apart.
·A delivery bill.
Unpack and keep the packaging in case of return.
Make sure the unit does not show scratches or visible defaults. Otherwise describe them on the RMA sheet
(available on CRE Technology website) and return it with the product to CRE Technology.

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Installation
Preparation
·Open type devices to be installed inside a suitable type rated enclosure.
·Torque of mounting brackets: 0.4Nm.
·Cut out the panel to 220x160mm (8.7x6.3in) minimum.
·Make sure the cut-out is smooth and clean.
Mounting

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UL Requirements
ADVANCED WIRING DIAGRAM
Circuit separation
The communication, sensor, and/or battery derived circuit conductors shall be separated and secured to
maintain at least 1/4” (6mm) separation from the Generator and the Bus connected circuit conductors unless all
conductors are rated 600V or greater.

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Mains Ratings
Over-voltage Category
III, 300VAC system voltage.
Sensing Generator / BusVoltage Measurement (J4)
300VAC max P-N, 2 phases; 500VAC P-P 3 phases, 35...75Hz.
Current Inputs (J5)
Must be connected through listed or recognized isolating current transformers with secondary rating of 5A max
50/60Hz. (XODW2.8) Instrument transformers (according to IEEE C57.13 series or the equivalent).
Communication Circuits
Must be connected to communication circuits of UL Listed equipment.
Output Pilot Duty (J3)
250VAC, 5A max general purpose, 240VAC, 1/4HP for NO contact, 1/6HP for NC contact Pilot duty: C150,
C300.
Digital outputs(J1)
FET: Fuel shutoff: 63VA, 1.8Amax current.

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Other circuits ratings
Block and mark Description Note
Breaker commands Normallyopen. Breaking capacity: 5A,
240VAC.
Relay1 Relay1 +
Relay1 –
Relay2 Relay2 +
Relay2 –
AC voltage (1) 100...480VAC, 35…75Hz, 100mAmax;
accuracy: 1% fsd.
N Generator N Optional.
L3 Generator L3 These lines must be protected externally
with 100mA/600VAC fuses.
L2 Generator L2
L1 Generator L1
N Bus N Optional.
L3 Bus Phase 3 These lines must be protected externally
with 100mA/600VAC fuses.
L2 Bus Phase 2
L1 Bus Phase 1
Current inputs(1) Short-circuit protection available.
Bus common GND GND.
Bus current I1 Bus I1
0…5A. Maximum rating: 15Aduring 10s.
Burden: 1VA. Keep the lead length short to
preserve accuracy(up to 0.5% full scale
deviation).
External CTmaxratio is 3250 (i.e. 3250:1
or, preferably, 16250:5).
On GENSYS COMPACT PRIME, this input
must be used onlyfor the earth fault
protection.
On GENSYS COMPACT MAINS and AMF
COMPACT, if Mains power measurement
is configured as 20mA, this input can be
used as an earth current measurement.
Generator current I3 Generator I3 0…5A. Maximum rating: 15Aduring 10s.
Burden: 1VA. Keep the lead length short to
preserve accuracy(up to 0.5% full scale
deviation).
External CTmaxratio is 3250 (i.e. 3250:1
or, preferably, 16250:5).
Generator current I2 Generator I2
Generator current I1 Generator I1
Generator common GND Optionallyconnected to CT –.
Analog inputs 0...500W .
Common Connect it to battery-.
Input 3 Available input
Input 2 Available input

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Block and mark Description Note
Input 1 Available input
Shield GND Ground plane.
(1) Not available according to controller type.
Block and
mark Description Notes
7...38VDC Not protected against polarityreversal.
-Power
supply- 2.5mm² (AWG13).
+Power
supply+ 7…38VDC, consumed current: 130mAat 24V(standbyand operation).
Shield GND Ground ofthe Generator.
Digital
outputs
Free solid state output.State 1 at the supplyvoltage (max: 1.8A). Protected against
short circuits. Areactive load is supported. Not isolated from power.
1
Available
outputs
2
3
4
5
6
Digital inputs
Free digital input with 10kΩ pull-up. Accepts NO or NC contact to 0V. Not isolated from
power.
1
Available
inputs
2
3
4
5
6
7
8
9
CAN2:
J1939-
Extensions Isolated CAN bus J1939 / CANopen. Twisted pair.
CAN L Blue wire.
CAN H White wire.
Resistor - Strap to CAN H when inner resistor must be inserted (bus ends).
Shield 0V Connectthe cable shield herein.
Speed (1) Compatible with all analog speed controllers. Isolated from power supply.
Out Speed output Analog output±10Vto speed controller.
common Speed
reference Twisted pair; length. < 5m (16ft) if unshielded, < 50m maxif shielded.
AVR (1) Compatible with most voltage regulators. Isolated from power supply.

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Block and
mark Description Notes
Out AVR output + Analog output±10Vto voltage regulator.
Common AVR output –Twisted pair; length. < 5m (16ft) if unshielded, < 50m maxif shielded.
CAN1:CRE-
Link® (1) Isolated CAN bus, use twisted pair.
CAN L White wire with blue strip (when using a CRETechnologycable).
CAN H Blue wire with white strip (when using a CRETechnologycable).
Resistor - Strap to CAN H when inner resistor must be inserted (bus ends).
Shield 0V Connect the cable shield herein.
Pickup (1) 100Hz....10kHz. Voltage limits between + and –: 2...40VAC.
Speed measurement for speed regulation, crank drop out and over-speed. Better
option than alternator voltage.An over-speed shutdown device independent of the
module is required;the alarm can be generated byECU or bythe module.
Pickup +
Pickup –
(1) Not available according to controller type.
Overcurrent protection (DC supply and L1, L2, L3, N)
Installer shall protect DC supply and L1, L2, L3, N by fuse Type: R/C (JDYX2/7), or R/C (JDYX2) and CSA
Certified Class 1422-30.
Rating of fuses:
·DC supply to be protected by 5A, 40VDC max.
·L1, L2, L3, N, fuse protection 100mA/600VAC max.
Terminals Wiring
Terminal (screw type):
·Tightening Torque: 3.5lb.in (0.4Nm).
Wires :
·28-14 AWG, Cu, 75°C min.
Conductor protection must be provided in accordance with NFPA 70, Article 240.
Low voltage circuits (35VDC or less) must be supplied from the engine starting battery or an isolated secondary
circuit.
Environment
Device must be installed in an unventilated or filtered ventilation enclosure to maintain a pollution degree 2
environment.
Maximum surrounding air temperature rating: 45°C.

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Installation
Preparation
·Open type devices to be installed inside a suitable type rated enclosure.
·Torque of mounting brackets: 0.4Nm.
·Cut out the panel to 220x160mm minimum (8.7x6.3in).
·Make sure the cut-out is smooth and clean.
Mounting

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Usage
Password
ADVICE
USEFUL INFORMATION
§Adjustment tip
§Using the module
Failure to comply with these recommendations may cause the module to malfunction.
The menus will be automatically locked if no operation isperformed during the time set in the
System menu (Factory setting: 5 minutes).
The standby screen will be displayed.
The module provides secured password access to protect configuration changes and limit data accessibility:
Level Default password Authorization Accessible pagesand
items
0 No password. Press
By default, this level is
not password protected,
but you can implement
one.
Display menu pages
only.
1 1 User level, settings and
commissioning.
Display, Configuration
and System menus
pages.
2 1234 Used to change
advanced settings. Advanced settings (CRE Config Software only).
Passwords can be changed via CRE PC software: CRE Config Software
To access the Display menu, press .
To access the Configuration and System menus, the padlock must be released:
1. Press to select Configuration or System.
2. Press to switch to password input mode (as for other settings); the first character is
represented by a cursor.
3. Change the character by pressing
4. Move to the next character by pressing
5. Repeat the operation for each character.
6. Confirm the password by pressing

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LCD
Navigation
Press then and type in the level 1 password as described above to access the top level
menu:
A black pointer spots the currently selected item/setting.
Three main menus are available on the LCD screen and in CRE Config Software:
·Display gives information on Generator/Bus and displays real-time information/status.
·Configuration is used to adjust the settings done previously withCRE Config
Software /Configuration.
·System is used to adjust the settings done previously withCRE Config Software /System
(Date/Hour, screen features, ...).
To cycle through the menus and menu items, press or
To cycle through the pages of lists of settings/readings, press or
Edition
To change a setting:
1. Navigate to the setting.
2. Press to switch to Edition mode; the current value blinks.
3. Press or to get the new value.
4. Press to validate the new value, to reject it. Module returns to Navigation mode.
It is also possible to change settings using Modbus TCP.
Dedicated pages
Dedicated pages include:
·Active fault and archive pages.
·Active alarm and archive pages.
·The information pages.
At any time, faults/alarms/information can be displayed on the LCD screen by pressing the button .
If a fault is active and has not been acknowledged yet, the active fault page will be displayed.
Otherwise, if an alarm is active and has not yet been acknowledged, the active alarms page will be displayed.
Otherwise the information page will appear.
It is then possible to navigate through these dedicated pages using the arrow buttons.

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To return to the previous page, press or .
EVENTS
Up to 15 active events and 30 archived events can be displayed on the screen.
Each event is time-stamped as follows:
jj/mm/yy hh:mn:ss protec. label On (or Off).
To reset events, press +
Note: Correct the condition that triggered the protection before performing a reset; if necessary, the protection
will trip again.
Information
These pages allow to display the power and engine current state with the associate elapsed time in this state.
Power [4000] displays the unit current state regarding power management.
Engine [4001] displays the unit current state regarding the engine.
Custom variables: to display any variable, enter the code of the variable to be displayed.