ETI ATSC25 User manual

EN
INSTRUCTION MANUAL
ATSC25
ATS Controller
www.eti.eu/support

2EN
1. GENERAL SAFETY INSTRUCTIONS
•This manual provides instructions on safety, connections instructions on the ETI ATSC25 ATS controller
•Weather the ATSC25 is sold as a loose product, as a spare, in a kit or as part of an enclosed solution or in any other
configuration, this device must always be installed and commissioned by qualified and experienced personnel, in line
withthe manufacturers recommendations, following good engineering practices and after having read and understood
the details in the latest release of the relative product instruction manual.
•Maintenance on the product and any other associated equipment including but not limited to servicing operations must
be performed offload by adequately trained and qualified personnel using the appropriate protection equipment.
•Each product is shipped with a label or other form of marking including rating and other important specific product
information. One must also refer to and respect markings on the product prior to installation and commissioning for
values and limits specific to that product.
•Using the product outside the intended scope, outside ETI recommendations or outside the specified thespecified
ratings and limits can cause personal injury and/or damage to equipment.
•This instruction manual must be made accessible so as to be easily available to anyone who may need to read it in
relation with the ATSC25.
•The ATSC25 meets the European Directives governing this type of product and includes CE marking on each product.
•No covers on the C25 should be opened (with or without voltage) as there may still be dangerous voltages inside
the product such as those from external circuits.
• Do not handle any control or voltage sensing cables connected to the ATSC25 when voltage may be present on
the product directly through the mains or indirectly through external circuits.
•Voltages associated with this product may cause injury, electric shock, burns or death. Prior to carrying out any
maintenance or other actions on live parts in the vicinity of exposed live parts, ensure that the switch including all
control and associated circuits are de-energized.
The information provided in this instruction manual is subject to change without notice, remains for general information
only
and is non-contractual.
Abbreviation and terms:
ATS : Automatic transfer switch (as defined in 60947-6-1)
ATSE : Automatic transfer switching equipment (as defined in 60947-6-1)
RTSE : Remotely operated transfer switching equipment (as defined in 60947-6-1)
HMI : Human machine interface (includes DIP switch and LED information available on the ATSC25 front face).
RISK:
Equipment damage
RISK:
Possible personal injury
RISK:
Electric shock, burns, death
CAUTION
WARNING
DANGER

EN 3
2. STANDARDS
•As a minimum the ATSC25 comply with the following international standards:
o IEC/EN 60947-6-1*
o IEC/EN 60947-1
o IEC/EN 61010-2-201
o IEC/EN 61010-2-030
o IEC/EN 61010-
1 o GB/T
14048.11*
o GB/T 14048.11 Annex
C o EMC 60947
•The Electromagnetic compatibility (EMC) directive 2004/30/UE
•LVD Low voltage directive 2014/35/UE
•EMC according to IEC/EN 60947-6-1 and GB/T 14048.11 (including annex C) & IEC / EN 61326-1 standard
•Vibration according to IEC 60068-2-6 / GB/T 2324.10
•Shock test according to IEC 60068-2-27 / GB/T 2324.5
•Dry heat 16 h , 70 °C according to IEC 60068-2-2 / GB/T 2324.2
•Damp heat at 55°C according to IEC 60068-2-30 / GB/T 2324.4
•Low Temperature 16 h, -25 °C according to IEC 60068-2-1 / GB/T 2423.1
•Salt mist severity 1 according with IEC 60068-2-52 / GB/T 2423.11

4EN
3. INTRODUCTION
ATSC25 “ATS Controller” in association with an RTSE (Remote transfer switching equipment) forms an ATSE (Automatic
transfer switching equipment), the ATSE formed by the association is designed for use in power systems for the safe transfer
of a load supply between a normal and alternate source. When associated with ETI RTSE the changeover is done in open
transition insuring full compliance with IEC 60947-6-1, GB 14048-11 and other international standards as listed. As a
standalone product the ATSC25 is compliant with IEC 61010-2-201 and is compatible with use with PC and CC type RTSE.
ATSC25 “ATS Controller” Ensures:
•Monitoring of the availability of a Normal and Alternate source
•Supply to the controller and switch from the Normal or Alternate source
•Transfer orders to the RTSE and position reception from the RTSE
•A complete solution fully tested with ETI RSTE
•Intuitive HMI for emergency/local operation
•Clearly visible and indicated HMI
•Suitable for door mounting on the enclosure or DIN Rail mounting inside the enclosure
•Inherent electrical interlock between position orders
•Monitoring of the RTSE stable positions (I –0 –II)
•Strait forward installation with effective ergonomics
•Power supply continuity for most Utility / Generator or Utility / Utility network applications when linked to an
RTSE (Remotely operated transfer switches).

EN 5
4. GENERAL OVERVIEW
4.1 Product identification
1. AUTO/Manual selector
2. Controller state LED
3. Remote position order selector
4. ATSE Synoptic
5. Test function selector
6. DIP switch programing

6EN
•4.2 CONTROLLER HMI
1. Source 1 availability information (Green fixed when source 1 is present and available within threshold limits, green
blinking when source 1 is present but outside of threshold limits, off when under 50VAC).
2. Switch 1 LED position indication (Green fixed when in position 1).
3. Zero position LED indication (Yellow when in position 0).
4. Load supplied information (Green fixed when load is supplied by an available source)
5. Switch 2 LED position indications (Green fixed when in position 2).
6. Source 2 availability information (Green fixed when source 2 is present and available within threshold limits, green
blinking when source 2 is present but outside of threshold limits, off when under 50VAC).
7. Auto LED indication (Green fixed when in automatic, blinking when a transfer is ongoing, off when in manual mode or
inhi- bited or fault is ongoing).
8. TestLED (Yellow fixed when test on load is ongoing).
9. Configurations dip switches (8 dip switches with 2 positions A and B.
10. Run LED (Green when product is powered).
11. COM LED (yellow blinking when RS communications is ongoing).
12. Fault LED (Red blinking –long blink when fault or product in inhibited, fast blink when a dip switch parameter has
been changed and needs validation).
13. Fire (Red when fire input is activated).
See Annex I page 29 for more details on the LED indicators

EN 7
• 4.3 Environmental
The ATSC25 controllers meet the following environmental requirements:
•IP Rating
IP degree according to IEC 60529
•P4X on the front face when door mounted.
•IP2X on the back of the controller.
•
IK Rating
IK rating according to IEC 61010-2-201
•IP4X on the front face when door mounted
•IP2X on the back of the controller
•
Operating Conditions
•From -25 to + 60°C
•95% humidity without condensation at 40°C according to IEC 61010-1
•95% humidity without condensation 50°C according to GB14.11 Annex Q
•EMC
•· IEC/EN 60947-6-1 and GB/T 14048.11 (including annex C) standards
•· IEC / EN 61326-1
• Altitude
•Up to 2000m
•
Storage Conditions
•From -30 to +70°C
•Maximum storage up to a period of 12 months
•Tobe stored in a dry, non-corrosive and non-saline atmospheric conditions
•A maximum of 3 boxes may be stacked vertically
•
Volume and shipping weights
•Volume LxWxH (mm): 172x128x154.5
•Weight : 850 g
•
Lead free process
•The ATSC25 complies with :
•The UE directive for RoHS 2 2011/65/UE
•The UE directive RoHS 3 2015/863/UE
•China RoHS 2 SJ/T 11364-2014

8EN
•WEEE
•The ATSC25 is built in accordance with 2012/19/EU directive:
• Pollution class
•Pollution class II
•
Other compliances and marking
4.4 CONTENT OF PACKAGING
The C25 packaging includes:
•1 C25 controller
•1 C25 quickstart guide
•All connector
•Door mounting clips
All other products described in this instruction sheet are delivered and sold separately.

EN 9
5. INSTALLATION
• 5.1 Product dimensions
dimensions in mm.
5
• 5.2 Mounting
•
Door mounting
Door cut-out of 93(+0.8) x138(+1) mm, door thickness 1.5- 3mm.
Remove all connectors and clip before inserting the controller in the cut-out then fix the controller in place using all 4 fixations
clips (cf. image below):
96
93
93 (0/+0,8)

10 EN
•DIN RAIL mounting
Install on IEC 60715 Standard Din RAIL.
When mounting make sure both clips are pushed up, then clip on the DIN Rail.
To remove from the DIN Rail, drag the two mounting clips down before removing the product.
X2

EN 11
6. CONNECTIONS
• 6.1 Networks
•
Type of networks
1P +N :
The C25 is suitable for single phase networks, for with voltages within 184-300 V.a.c Ph-N
In these networks, the phase must be connected to the L1 input (terminal 104 for source 1 and 204 for source 2).
3P+N:
The ATSC25 is suitable for three phase with neutral networks, for with voltages within 184-300 V.a.c Ph-N and
318-520 PH-PH.
In these networks, the phase must be connected to the L1 input (terminal 104 for source 1 and 204 for source 2).

12 EN
• Metering and sensing detail
• 7.2 Connections
TOP
In 3 phases with Neutral balanced networks, there is a risk that the loss of neutral will
not be detected.
To limit this risk the Dip switch 4 (Hysteresis) can be switched to position A. (Cf
chapter 7-5 programing).
CAUTION

EN 13
BOTTOM
1. RTSE position feedback input
2. 24 V.d.c fire input
3. Enable control when closed / disable control when open
4. RS485 connections
5. Genset Start relay
6. RTSE position control outputs
7. Source 1 and 2 voltage inputs
8. 24 V.d.c Aux supply
9. External DPS –Input / output

14 EN
• 6.2 Connection diagrams with MLBS3P/4P250...630A
For additional connection diagrams (MLBS 4P 63...125, Contactors , etc..) see ANNEX I

EN 15
• 6.3 Terminal denomination, description and characteristics
Denomination
Terminal
Description
Characteristics
Recom-
mended
Cable section
Tightening
torque /
screw type
Control signal
outputs (orders to
RTSE)
14
Position II order
AC1–Generaluse–Ie:5A,Ue:250
V.a.cDC1–Generaluse–Ie:5A,Ue:
30V.d.c AC15 - Ie: 3A, Ue: 120V.a.c
AC15-Ie:1.5A,Ue:240V.a.c
DC13-Ie:0.22A, Ue:125
V.d.cDC13-le:0.11A,Ue:
250V.d.c
1-2.5mm²
0.58 Nm
15
Position I order
16
Position 0 order
17
Common point for
position output
RS485
35
NC –Not connected
RS485 Isolated bus
36
Negative electrode
37
Positive electrode
Genset output
51
Common point
52
Closed to start the Genset
(closed when controller is
powered off)
AC1 –General use –Ie: 3A , Ue: 250
V.a.c DC1 –General use –Ie: 3A , Ue:
30 V.d.c AC15-Ie54/51:3A 52/51:1.5A
Ue:120V.a.c
AC15-Ie54/51:1.5A 52/51:0.75AUe:240
V.a.c DC13-Ie54/51:0.22A 52/51:0.22A125
V.d.c DC13-Ie54/51:0.11A 52/51:0.11A250
V.d.c
54
Open to start the genset
Controllerinhibit
input
63A
Controller is inhibited when
this contact is open
Donotuseexternalvoltage-Powerfromcommon
point
0.5-1.5mm²
0.2 Nm/ M2
64A
Return of information
from RTSE (Position
inputs)
70
Common point for
position inputs
Donotuseexternalvoltage-Powerfromcommon
point
71
Position I RTSE
72
Position II RTSE
73
Position 0 RTSE
Fire input
F1
Negative electrode of the 24
V.d.c
12-24 V.d.c
F2
Positive electrode of the
24
V.d.c
Optional Aux
supply
24V.d.c
81
Negative electrode of the 24
V.d.c
10-30V.d.c(Auxiliarysupplyforcontroller,doesnot
supply RTSE)
1-2.5mm²
0.58 Nm / M3
82
Positive electrode of the
24
V.d.c
Source1and2
voltage
inputs
103
Source 1 N
Sensing range:
90-520 V.a.c (ph-ph)
50-300 V.a.c (ph-n)
45-65 Hz
Supply:
184-300 V.a.c* (ph-n)
45-65 Hz
Max consumption 10 W
*200-300 V.a.c in maintained mode
104
Source 1 L1
105
Source 1 L2
106
Source 1 L3
203
Source 2 N
204
Source 2 L1
205
Source 2 L2
206
Source 2 L3
DPS output
(RTSE power
supply)
301
Phase output
AC–Generaluse–Ie:6A,Ue:250
V.a.cDC–Generaluse–Ie:6A,Ue:
30V.d.c AC15 - Ie: 3A, Ue:120 V.a.c
AC15-Ie:1.5A,Ue:240V.a.c
DC13-Ie:0.22A,Ue:125
V.d.cDC13-le:0.11A,Ue:
250V.d.c
302
Neutral output
*LiYCY sheilded twisted pair
NOTE 1: Use 7mm as stripping length for the controller terminals
NOTE 2: Use 90°C copper wire for installations with ambient temperature from 35-60°C.
When the ambient temperature is above 60°C, Use 105°C copper wire.

16 EN
7. ATSC25 OPERATING MODES
The ATSC25 has 3 distinct working modes, the working modes are selected using the HMI button or by using the 63A/64A
input.
The 3 working modes are working as described below:
•Auto mode
In this mode the controller will automatically give orders to the RTSE connected to switch to the correct position according to
the settings selected.
In this mode, the manual order buttons , , are disabled.
This mode is activated when the LED 7 is ON (fixed). Toaccess this Mode make sure that you are in manual mode (the LED
7 is OFF and that the fault LED (12) or the TEST LED (8) are not activated) and then press the button for 3 seconds, the
LED 7 should then turn ON.
•Manual mode
In this mode the manual orders buttons , , enable manual orders to switch respectively to position I , 0 or II.
This mode is activated when the LED 7 is OFF and the LED 12 is OFF and that the fault LED (12) or the TEST LED (8)
are not activated. Toswitch from AUTO mode to manual mode, press the button for 3 seconds.
•Inhibit mode
In this mode both the Automatic transfer and manual orders will be blocked. This mode is activated when the input 63A/64A is
OPEN.
In this mode the fault LED (12) will be blinking, and AUTO LED will be OFF. To leave the inhibit mode close the 63A/64A
input, the controller will return to the last working mode (Automatic or Manual).

EN 17
7.1 Triple power supply
The ATSC25 can be supplied by 3 power sources:
AC –Power through the voltage sensing (terminals 103-104 for source 1 and terminal 203-204 for source 2) with power
supply range going from 184-300 V.a.c (in pulse mode) 200-300 V.a.c (in maintained mode) 50/60 Hz+/- 10%
DC - Auxiliary supply (optional), 10-30 V.d.c power supply using terminals 82-81.
7.2 Voltage sensing Inputs
The ATSC25 includes dual single phase and 3 phase voltage sensing (terminals 103-106 and 203-206) designed to monitor 1
Phase supplies up to 300 V.a.c (L-N) and 3 phase +N up to 520 V.a.c (L-L).
The ATSC25 is designed to handle single phase and three phases with neutral networks, simply define the correct
configuration of single phase / 3phase with neutral using the DIP switch 1 on the front of the controller (cf. Chapter 7-5
programming).
Sensing values measured will have a direct influence on determining the availability of the main and alternate supplies as well as
the ATSC25 automation.
The parameters monitored through the sensing are the following:
7.3 Phase rotation
When both sources are available the controller will check that the phase rotation is identical on both sources. If the sources have
different phase rotations the source available LED will be blinking on both sources.
7.2.1 Frequency within set limits
The ATSC25 will check that the frequency is within the limits configured through DIP switch 4 or through communication (cf.
configuration chapter configuration). Frequency is checked on L1 only.
7.2.2 Loss of the main or alternate power supply
Loss of supply depends on the nominal voltage and frequency configured together with the hysteresis (set in DIP switch
4)The source will be considered as lost after the fail timer as counted down (set through dip switches 7 & 8 (0 / 3 /10 / 30
min).
7.2.3 Return of main and/ or alternate power supply
Return of supply depends on the nominal voltage and frequency configured together with the hysteresis set. (Set in DIP
switch 4). The source will be considered as available when the return timer will have counted down (set through dip switches
6 (3s / 10s).
7.2.4 Loss of Neutral
In a 3phase network with unbalanced loads the loss of the neutral will be detected.
The DPS output to the RTSE will not be functional when powering
through the DC auxiliary power supply.
CAUTION
When only one source is available, the controller will
automatically
accept the source regardless of the phase rotation order
CAUTION

18 EN
7.3 Fixed outputs
10.3.1. Control signal outputs
Control signal outputs are the output orders (dry contact) to the RTSE; the
ATSC25 includes 3 signal outputs and a common (point powered by the user)
(Terminals 17 to 14). These outputs are rated for 250 Vac, 50/60 Hz 5A general
use , and 30 V.d.c 5A general use.
These outputs function as described below:
When order 0 is given through the Automatism in automatic mode or manually using the button the contact between
17 and 16 will be closed.
When order I is given through the Automatism in automatic mode or manually using the button the contact between
17 and 14 will be closed.
When order II is given through the Automatism in automatic mode or manually using the button the contact between
17 and 15 will be closed.
These outputs can be impulse or maintained depending on the setting on DIP switch 3 Order Mod.
In maintained mode when an order is sent it will be maintained until a different order is sent.
Inimpulse mode ordersare sent formaximum 5s andarestoppedwhen either5s hasexpiredor the controllerreceivedfeedback
that the RTSE has reached the requested position. If 5s expire and the RTSE has not reached the requested position the
controller will consider this as a fault and will inhibit the automatism until the fault is cleared.
10.3.2. Genset start output
Genset start outputs are the output orders (dry contact), the contact between 51 and 54
will open & the contact between 51 and 52 will close when the signal to start the genset
should be sent (during a test on load or when source 1 is lost). These outputs are rated for
250 V.a.c, 50/60 Hz 5A general use for NO contact and 3A general use for NC contact,
and 30 V.d.c 5A general use for the contact between 51-54 and 3A general use for the
contact 51-52.
Control
51/54
51/52
Generator Start
Contact open
Contact closed
Generator Stop
Contact closed
Contact open
When the switch returns in position I the Cooldown timer will start counting (Default value 180s) during the cooldown timer, the
contacts will maintain the generator start signals.
If the 24 V.d.c auxiliary power supply is not used the timer 1FT will not count and the
order to start the generator will be sent immediately when source 1 is lost.
CAUTION

EN 19
7.4 Fixed inputs
10.4.1. Inhibit input
When the contact 63A/64A is open the controller is in inhibit mode (Fault LED blinking and
automatism and manual controls are deactivated). When this contact is closed the controller
returns to the last working mode (either manual mode or automatic mode).
When the product is delivered this input is hardwired to closed, to use the input first remove the wire
10.4.2. Position inputs
These inputs must be connected from the RTSE to the controller in order to indicate the
position of the RTSE, when the controller gives an order both through manual command and
automatically it will check that the position input corresponding to this order has closed. If this
is not the case the controller fault LED will blink and the buzzer will be on, to clear the fault
expected position input should be closed and the user must press the AUTO button.
73/70 must be closed when the RTSE is in position 0.
72/70 must be closed when the RTSE is in position II.
71/70 must be closed when the RTSE is in position I.
10.4.3. Fire input
This input is activated by applying 24 V.d.c (12-24 V.d.c) on F1 and F2 (negative electrode
connected to F1 and positive electrode on F2.
When this input is activated the Fire LED (13) will be ON (fixed) and the buzzer will sound, the
controller will give the order to the switch to go to position 0 and both manual and automatic
controls will be inhibited. When the input is removed, the switch will go back to the last working
mode automatically
10.4.4. RS485
The RS485 connector provides the Modbus communication allowing to read values from the
controller (eg: Voltage values, settings, switch position etc...) for details on the values that
can be read through communication (see Annex II).

20 EN
7.5 Programming
The programming of the controller is done through the DIP switches available on the front HMI.
7.5.1 Programing through DIP switch
Programming through DIP switches is done using the 8 DIP switches on the front of the
controller.Each DIP switch has positions A & B, by default all DIP switches are in position A.
When programming the dip switches with the switch powered off simply change the position of
theDIP switches. Tochange the position of the DIP switches use a small screwdriver.
When programing the DIP switches with the controller powered on, switch to manual mode.
When a DIP switch changed position the Fault LED will blink fast (3Hz), to validate the change of
the DIP switch press the RES button shortly (<1s). The Fault LED will stop blinking and the
buzzer will soundtwice. If instead of validating the DIP switch is brought back to the original
position without pressing the button, the Fault LED will also stop blinking and the
configuration will remain the same
DIP Switch
1. Network
A
Three phase network
B
Single phase network
2. Prio
Set
A
Prioritty source 1
B
No priority
3. Order
Mod
A
Control mode impulse logic
B
Control mode contactor logic
4. ΔU/ΔF
A
Overvoltage setting at 10% of nom voltage / overfrequency setting 5% of nominal
frequency (hysteresis value is 20% of ΔU/ΔF)
B
Overvoltage setting at 20% of nom voltage / overfrequency setting 10% of
nominal frequency (hysteresis value is 20% of ΔU/ΔF)**
5. 0DT
A
Load supply down time of 2 second (0DT = 02 sec)**
B
Load supply down time of 0 second (0DT = 0 sec)
6. FT
A
Wait time of 3s before source is lost ( Fail timer = 3s)
B
Wait time of 10s before source is lost ( Fail timer = 10s)
7/8. RT
AA
Wait time of 0min (3s) before source returns ( retrun timer = 0min (3s))*
AB
Wait time of 3min before source returns ( retrun timer = 3min)
BA
Wait time of 10min before source returns ( retrun timer = 10min)
BB
Wait time of 30min before source is lost returns ( retrun timer = 30min)
*When 0min is selected the return timer is set to 3s
**When Control mode contactor is selected the minimum hysteresis is -15%
Program only when in manual mode to avoid unexpected transfers or
injuries.
WARNING