ABB SACE PR010/K User manual

SIGNALLING UNIT
SACE PR010/K
Title
titolo Manuale d’uso Lang. Lingua
IT
Rev. L0633 Apparatus SACE PR010/K Scale
Mod. Apparecchio Scala
ÿþþ ABB SACE Doc. No.
N° Doc RH0043.002 Sh. No
N° Pag..
1/20

Rev. L0633 Apparatus SACE PR010/K Sh. No.
Mod. Apparecchio N° Pag.
ÿþþ ABB SACE Doc. No.
N° Doc RH0043.002 Sh. No
N° Pag..
2/20
CONTENTS
1. GENERAL .................................................................................................................................................................3
1.1. INTRODUCTION.........................................................................................................................................................3
1.2. APPLICABLE SCENARIOS ...........................................................................................................................................3
2. TECHNICAL CHARACTERISTICS......................................................................................................................4
2.1. ELECTRICAL CHARACTERISTICS................................................................................................................................4
2.1.1. Auxiliary supply...............................................................................................................................................4
2.2. MECHANICAL CHARACTERISTICS..............................................................................................................................4
2.3. ENVIRONMENTAL CONDITIONS .................................................................................................................................4
2.4. COMMUNICATION BUS .............................................................................................................................................4
2.5. INTERNAL RELAY CHARACTERISTICS ........................................................................................................................4
3. USER INTERFACE..................................................................................................................................................5
3.1. USE OF PUSH-BUTTON ..............................................................................................................................................5
3.2. OPTICAL SIGNALLING................................................................................................................................................5
3.3. TERMINAL BLOCK.....................................................................................................................................................6
4. SPECIAL FUNCTIONS ...........................................................................................................................................6
4.1. RESET.......................................................................................................................................................................6
4.2. RESET SIGNALLING ...................................................................................................................................................6
4.3. SELF-TEST FUNCTION................................................................................................................................................6
4.4. STAND-BY FUNCTION................................................................................................................................................6
5. PUTTING INTO SERVICE.....................................................................................................................................7
5.1. INSTALLATION INSTRUCTIONS ..................................................................................................................................7
5.2. CONNECTIONS ..........................................................................................................................................................7
5.3. DIP-SWITCH SETTINGS ..............................................................................................................................................8
5.3.1. Example of dip-switch setting..........................................................................................................................9
5.3.2. Default settings................................................................................................................................................9
5.3.3. Serial Number..................................................................................................................................................9
5.4. SACE PR010/K WITH SACE PR112 UNIT (WITH LAST LETTER OF SERIAL NUMBER A…E)..........................10
5.4.1. Dip-switch settings ........................................................................................................................................10
5.4.2. Signalling.......................................................................................................................................................10
5.5. SACE PR010/K WITH SACE PR112 UNIT (WITH LAST LETTER OF SERIAL NUMBER F…Z)...........................11
5.5.1. Dip-switch settings ........................................................................................................................................11
5.5.2. Signalling.......................................................................................................................................................11
5.6. SACE PR010/K WITH SACE PR113 UNIT.............................................................................................................12
5.6.1. Dip-switch settings ........................................................................................................................................12
5.6.2. Signalling.......................................................................................................................................................13
5.6.3. Connection of 3 SACE PR010/K units with SACE PR113/P.........................................................................13
5.7. SACE PR010/K WITH SACE PR212/P UNIT .........................................................................................................14
5.7.1. Dip-switch settings ........................................................................................................................................14
5.7.2. Signalling.......................................................................................................................................................14
5.8. SACE PR010/K WITH SACE PR212/MP UNIT......................................................................................................15
5.8.1. Dip-switch settings ........................................................................................................................................15
5.8.2. Signalling.......................................................................................................................................................15
5.9. APPLICABLE ELECTRICAL DIAGRAMS......................................................................................................................16
5.9.1. PR112 (or PR113) + PR010/K......................................................................................................................16
5.9.2. PR113/P + 3 PR010/K units..........................................................................................................................17
5.9.3. PR212/P (or PR212/MP) + PR010/K............................................................................................................18
5.9.4. PR212/P + PR212/D-L (or PR212/D–M) + PR010/K..................................................................................18
5.9.5. Electrical diagram legend.............................................................................................................................19
6. TROUBLESHOOTING..........................................................................................................................................19
6.1. IN CASE OF FAULT...................................................................................................................................................20

Rev. L0633 Apparatus SACE PR010/K Sh. No.
Mod. Apparecchio N° Pag.
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1. General
1.1. Introduction
Carefully read the whole of this document before installation and start-up of the PR010/K unit.
The PR010/K unit, connected to the protection units from the Isomax series (PR212/P or PR212/MP) and Emax
(PR112 or PR113), allows the signalling of various events which can be verified during normal operation of the
connected protection unit.
In the case of these events, the PR010/K unit operates the internal relays fitted with powered contacts (par.2.5).
The PR010/K unit also features (only in combination with the protection relays fitted to the Emax series) the ‘Load
control’ function. For further information on the functioning of the ‘Load control’ function, as well as the settings
necessary to use this protection, consult the users manual for the protection relays (PR112 e PR113).
For the correct use and operation of protection units interfaced with the PR010/K unit, the following documents must
be consulted;
• Sheet kit protection unit PR212/P (doc. n° RH0062)
• Sheet kit protection unit PR212/MP (doc. n° RH0063)
• Instruction manual protection unit PR112/P (doc. n° RH0288 for version IEC or RH0109 per version UL)
• Instruction manual protection unit PR113/P (doc. n° RH0288 for version IEC or RH0109 for version UL)
• ABB SACE Isomax technical catalogue
• ABB SACE Emax technical catalogue
1.2. Applicable scenarios
The following diagram shows the applicable scenarios and the relationship between:
• Protection unit (Isomax series or Emax)**
• PR010/K unit
• Communication unit (Isomax series or Emax)**
Note: ** for Emax series, the protection unit contains an internal communication unit (when required).
Connections between various units, depending on the scenario (Master or Slave mode are shown as indications only,
the specific cabling must be carried out according to official ABB SACE documentation.
protection unit
(Isomax-Emax)
signalling unit
PR010/K
internal bus
Scenario
“Master mode”
with PR010/K +
protection unit
protection unit
(Isomax-Emax)
communication
unit
(
Isomax-Emax
)
remote supervision
system
ÿ
external bus
internal bus signalling unit
PR010/K
Scenario
“Slave mode”
with PR010/K +
protection unit +
communication unit

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2. Technical characteristics
2.1. Electrical characteristics
Effective operation: Maximum of 6s after power on.
MTBF (MIL-HDBK-217E) expected: 15 years at 45°C
2.1.1. Auxiliary supply
Characteristics PR010/K unit
Supply voltage 24 Vdc±20%
Maximum ripple ±5%
Nominal Power 4,5 W @ 24 Vdc
As the Vaux must be isolated from earth, it is necessary to use ‘galvanically separate converters’ conforming to IEC
60950 (UL1950) or equivalent [which guarantee a common mode current or leakage current (see IEC 478/1, CEI
22/3) not greater than 3,5mA], IEC 60364-41 and CEI 64-8.
2.2. Mechanical characteristics
Casing : Metallic (1mm sheet)
Degree of protection : IP20
Dimensions: 100x45x120mm(hxwxd)
Weight : 500 gr. (including 2 front connectors)
2.3. Environmental conditions
Operating environmental temperature: -5 °C ... +70 °C
Storage conditions: -40 °C ... +90 °C
2.4. Communication Bus
Exclusive ABB SACE communication bus (internal bus)
2.5. Internal relay characteristics
Type Monostable
Maximum switching capacity 150 W / 1250 VA (resistive load)
Maximum switching voltage 130 Vdc / 250 Vac
Maximum switching current 5 A
Breaking power (UL/CSA) @ 48 Vdc (resistive load) 0.9 A
Breaking power (UL/CSA) @ 230 Vac (resistive load) 5 A
Contact/contact insulation 1000 V efficient (1 min.)
Contact/coil insulation 2000 V efficient (1 min.)

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3. User interface
The front of the unit consists of one push-button, five LEDs, and two terminal blocks.
3.1. Use of push-button
• Reset:
Press to carry out reset of PR010/K hardware.
3.2. Optical signalling
Functioning conditions of PR010/K
LED state LED L
(green) LED S (green) LED I (green) LED G (green) LED Tx (Int Bus) (yellow)
Off Contact K51/1
open Contact K51/2 open Contact K51/3 open Contact K51/4 open anomalous situation
On Contact K51/1
closed Contact K51/2 closed Contact K51/3 closed Contact K51/4 closed anomalous situation
Fast flashing O
K
Flashing -- -- -- -- with freq. = 2Hz
see ***
*** Flashing at 2Hz one of the following can be verified:
- Communication not present
- SACE PR010/K in stand-by mode or Self-test
- Connected protection unit not recognised
Terminals (see par.3.3)
Push-button (seepar.3.1)
LEDs (see par.3.2)
This area is designed for the
possible application of
customised adhesive label
(see par.3.2)

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• Any LED state which does not conform with the above probably indicates a malfunction of the SACE PR010/K
unit.
• The indications given in the above table are with Vaux present, and with the PR010/K not in Self-test, and not in
stand-by mode (see par.5.3).
• For further details of possible malfunction conditions see para.6.
In the case of the LEDs being designated a significance other than L, S, I and G (standard configuration) it is possible
to use a customised adhesive label (RE0314/001) supplied with the PR010/K unit.
3.3. Terminal block
Connections 1…18 inputs and outputs of PR010/K unit (see par.5.2)
4. Special functions
4.1. Reset
It is possible to carry out a reset of the PR010/K unit, by pressing the ‘reset’ push-button situated on the front panel of
the unit (see par. 3.1).
This type of reset restarts the Sw of the PR010/K unit (the data memorised in the RAM is conserved).
4.2. Reset signalling
“Reset signalling” causes the repositioning of the internal relays (K51) to rest conditions (contacts open) following
switching (contacts closed) for protection function (trip).
This reset can be carried out:
- carrying out a reset (see par.4.1), if the applicable scenario is “PR010/K in Master mode” (see par.1.2).
- sending a “Trip Reset “ command from the remote supervision system.
- pressing the RESET push-button on the front of the unit, if the applicable scenario is “PR010/K in Slave mode”
(see par.1.2) and only for Emax series protection units.
4.3. Self-test function
To carry out the self-test, dip-switch n°1 must be set to ON (see par. 5.3.1) and the reset button pressed.
The self-test switches, in succession, all 8 internal relays, carrying out a functional test on each.
The Tx LED lights with each switching. When the switching is completed the LED flashes at a frequency of 2 Hz.
The self-test takes approx. 10 s, after which the SACE PR010/K unit automatically returns to normal operation.
4.4. Stand-by function
To select Stand-by mode, dip-switch n°8 must be set to ‘ON’ (see par.5.3.1) and the reset button pressed; in this mode
the internal relays will not be switched.
This function is useful when the protection unit is being tested (for example with PR010/T unit) and the switching of
the relays of the PR010/K unit is not desired.
Areas to be
customised by user

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5. Putting into service
5.1. Installation instructions
Mount on standard 35 mm guide (DIN EN50022 type TS 35 x 15mm).
For the removable front terminals use cable with conductor sectional area between 0.5 e 2.5 mm2(AWG 22 ... 12). The
maximum current for each terminal is 5 A continuous and 10 A for 2 a maximum of 2 seconds.
The earth connection of the metal casing is carried out using a cable with conductor sectional area of 4 mm2, fitted
with an eye-terminal, connected to the M4 bolt fitted to the rear of the casing.
An earth terminal is provided on a front terminal, to connect the electronic circuit to the installation earth. This
terminal must not be connected to the case earth bolt.
Dielectrical rigidity tests must not be carried out on the inputs and outputs of the PR010/K unit.
Even if the unit can be installed with the circuit breakers, it is good practise to install the unit with other instruments in
the electrical cabinet.
5.2. Connections
Carefully study the relevant electrical diagram for the wiring of the connectors.
For the dedicated inputs and outputs, wiring other than that described in the official ABB SACE electrical diagrams is
not allowed

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5.3. Dip-switch settings
After correctly wiring all of the frontal connections and the rear earth connection, it is necessary to set the dip-switches
which are positioned on the top of the PR010/K unit.
The criteria for the wiring of the frontal connections and for the dip-switch settings depend upon the type of protection
unit connected to the PR010/K unit; the following paragraphs detail the possible configurations.
N.B.: dip-switch reading is carried out at “power on” or after a hardware reset (pressing front "Reset" button) and is
active after the start-up phase.
Dip-Sw n° dip-switch
description Settable values Note
1Test
0 = Self-test deactivated
1 = Self-test activated
The “Self-test” function switches all 8 internal relays i
n
succession, carrying out a functional test.
The Tx LED lights in combination with the switching, once the
test has been carried out, the LED flashes at a frequency o
f
2Hz.
For the normal functioning mode, this dip-switch must be set to
OFF.
2
3
4
5
K51
Configuration
0 = Matching signalling of
event A
1 = Matching signalling of
event B
Depending upon the type of protection unit connected to the
PR010/K unit, the event associated with the switching of some
contacts (K51), can be selected from two alternatives (A or B).
N.B. For some protection units an alternative which can be
selected using the dip-switches is not provided, in this case the
event associated with each contact is unique (defined by ABB
SACE), and is independent of the position of the dip-switch (0
or1).
6Mode 0 = Slave,
1=Master.
Setting in Master mode is necessary when the PR010/K unit is
combined with a protection unit without a communication uni
t
(see “scenario PR010/K in Master mode” par.1.2).
Setting in Slave mode is necessary when the PR010/K unit is
connected to a protection unit and a communication unit (see
“scenario PR010/K in Slave mode” par.1.2).
7Baud
0 = 19.2 kbit/s,
1 = 38.4 kbit/s. The setting of the transmission speed must be equal to that o
f
the connected protection unit (see par.5.4.1, 5.5.1, 5.6.1…).
8 State 0=Normal,
1 = Stand-by.
The Stand-by mode ensures that the K51 contacts do not switc
h
under any circumstances, even if the conditions which woul
d
normally cause switching exist.
Normal functioning mode ensures that the K51 contacts switc
h
when the conditions which normally cause switching exis
t
(normal functioning)
If set to 1 (Stand-by), the unit is not able to carry out a self-test!
For normal functioning, this dip-switch must be set to Off.

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5.3.1. Example of dip-switch setting
Example of dip-switch setting for the connection of PR010/K with protection unit PR112/P with last letter of serial
number from A to F (see par.5.4).
Test :Off
K51 Configuration :
not used
Mode: Master Baud : 19.2 kbit/s State :Off
5.3.2. Default settings
The PR010/K unit is supplied by ABB SACE with the following parameters pre-set:
Dip-Sw n° Description of
dip-switch Value set
1 Test Off (Deactivated)
2
3
4
5
K51 Configuration Dip-switch set in position A (Off)
6 Mode Slave
7 Baud 19.2 kbit/s
8 State Normal
5.3.3. Serial Number
The Serial Number label is positioned on the left side, at the top.
Off (0)
On (1) 12 34 56 78
Dip-switches for setting of
functioning mode.
P
R010/K Top view

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5.4. SACE PR010/K with SACE PR112 unit (with last letter of serial number A…E)
5.4.1. Dip-switch settings
N°
Dip-Sw
Description of
dip-switch 0 (Off) 1(On) Note
1 Test Normal Self-test For normal functioning mode, set this dip-switch to
OFF.
2
3
4
5
K51
Configuration -- Notused
6 Mode Slave Master Master if PR112/P + PR010/K.
Slave if PR112/PD + PR010/K.
7Baud Rate 19.2 kbit/s 38.4 kbit/s Set 19.2 kbit/s
8 State Normal Stand-by For normal functioning mode, set this dip-switch to
OFF
Example of dip-switch settings for connection of PR010/K unit with SACE PR112/P protection unit.
Dip-switchn° 12345678
5.4.2. Signalling
The significance of signals (K51/1…K51/8) for protection unit SACE PR112 is as follows:
Contact N°Pinonunit
PR010/K Event which causes closing of relay
K51/1 5 Alarm protection L (overload)
K51/2 6 Alarm protection S (selective short circuit)
K51/3 7 Alarm protection I (instantaneous short circuit)
K51/4 8 Alarm protection G (ground fault)
K51/5 9 Internal Bus communication problem (bus KO)
K51/6 10 Internal overheat alarm (T=85°C)
K51/7 12 CB trip alarm –TRIP–
K51/8 17 Pre-alarm function L (overload)
Off
On

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5.5. SACE PR010/K with SACE PR112 unit (with last letter of serial number F…Z)
5.5.1. Dip-switch settings
N°
Dip-Sw
Description of
dip-switch 0 (Off) 1(On) Note
1 Test Normal Self-test For normal functioning mode, set this dip-switch to
OFF.
2K51/4
Configuration AAlarm
protection G BPre-alarm
function L
3K51/5
Configuration ABusKOBInternal
overheat
Functions (A or B)
assignedtocontactrelay,
to be selected with corresponding dip-switch
4
5--- Notused
6 Mode Slave Master Master if PR112/P + PR010/K.
Slave if PR112/PD + PR010/K.
7Baud Rate 19.2 kbit/s 38.4 kbit/s Set 19.2 kbit/s
8 State Normal Stand-by For normal functioning mode, set this dip-switch to
OFF.
Example of dip-switch settings for connection of PR010/K unit with SACE PR112/P protection unit.
Dip-switchn° 12345678
5.5.2. Signalling
The significance of signals (K51/1…K51/8) for protection unit SACE PR112 is as follows:
Contact N°Pinonunit
PR010/K Event which causes closing of relay
K51/1 5 Alarm protection L (overload)
K51/2 6 Alarm protection S (selective short circuit)
K51/3 7 Alarm protection I (instantaneous short circuit)
A Alarm protection G (ground fault)
K51/4 * 8B Pre-alarm function L (overload)
A Internal Bus communication problem (bus KO)
K51/5 * 9B Internal overheat alarm (T=85°C)
K51/6 10 Load check LC1
K51/7 12 CB trip alarm –TRIP–
K51/8 17 Load check LC2
“*” The reason for the closing of these contacts (K51/4 e K51/5) depends upon the configuration, set via the dip-
switch (event A or event B), of the PR010/K unit (see par.5.3).
Off
On

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5.6. SACE PR010/K with SACE PR113 unit
5.6.1. Dip-switch settings
N°
Dip-Sw
Description of
dip-switch 0 (Off) 1(On) Note
1 Test Normal Self-test For normal functioning mode, set this dip-
switch to OFF.
2K51/1
Configuration AAlarm
protection L BPre-alarm function
L
3K51/4
Configuration AAlarm
protection G BUnder voltage coil
activated
4K51/5
Configuration A Bus KO B Internal overheat
if dip-switch N°5 = Off
Note “§§§”:
Functions (A or B)
assigned to relay contact, to be selected with
corresponding dip-switch
5K51/1…K51/8
Configuration (See note “§§§”) Bus KO (See note “***”)
if dip-switch N°5 = On
Note “***”:
The functions assigned to contacts
(K51/1…K51/4 e K51/6…K51/8)
are those directly defined by the user on PR113
while contact K51/5 is associated with the
signalling of “bus KO”
6 Mode Slave Master Master if PR113/P + PR010/K.
Slave if PR113/PD + PR010/K.
7Baud Rate 19.2 kit/s 38.4 kbit/s Set 38.4 kbit/s
8 State Normal Stand-by For normal functioning mode, set this dip-
switch to OFF.
Example of dip-switch settings for connection of PR010/K unit with SACE PR113/P protection unit.
Dip-switchn° 12345678
Off
On

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5.6.2. Signalling
The significance of signals (K51/1…K51/8) for the SACE PR113 protection unit is as follows:
Contact N°Pinonunit
PR010/K Event which causes closing of relay
A Alarm protection L (overload)
B Pre-alarm function L (overload)
K51/1* 5
§§ Configured by user on PR113 unit
Alarm protection S (selective short circuit)
K51/2 6§§ Configured by user on PR113 unit
Alarm protection I (instantaneous short circuit)
K51/3 7§§ Configured by user on PR113 unit
A Alarm protection G (ground fault)
B Under voltage coil activated
K51/4* 8§§ Configured by user on PR113 unit
A Internal Bus communication problem (bus KO)
B Internal overheat alarm (T=85°C)
K51/5* 9§§ Internal Bus communication problem (bus KO)
Load check LC1
K51/6 10 §§ Configured by user on PR113 unit
CB trip alarm –TRIP–
K51/7 12 §§ Configured by user on PR113 unit
Load check LC2
K51/8 17 §§ Configured by user on PR113 unit
“*”The reason for the closing of these contacts (K51/1, K51/4 and K51/5) depends upon the configuration (event A or
event B) set via the dip-switch of the PR010/K unit, only if dip-sw N°5 is set to OFF (see par.5.6.1).
“§§” In the case of dip-sw N°5 set to ON all contacts (K51/1…K51/8) are exclusively associated with the function set
on the PR113 unit by the user, except contact K51/5 which shows ‘Internal Bus communication problem (bus KO)’.
5.6.3. Connection of 3 SACE PR010/K units with SACE PR113/P
It is possible to connect two or three SACE PR010/K units with a PR113/P unit (see par. 5.9.2).
The only condition being that one PR010/K unit must be configured as Master, with the other(s) configured as Slave.
In this way it is possible to activate up to (7 + 8 + 3 =) 18 contacts without potential (relay), plus 6 replicated (see
Emax manual).

Rev. L0633 Apparatus SACE PR010/K Sh. No.
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5.7. SACE PR010/K with SACE PR212/P unit
5.7.1. Dip-switch settings
N°
Dip-Sw
Description of
dip-switch 0 (Off) 1(On) Note
1 Test Normal Self-test For normal functioning mode, set this dip-switch to OFF.
2
3
4
5
--- Notused
6 Mode Slave Master Master if PR212/P + PR010/K Slave if PR212/P +
PR212/D-L (or PR212/D-M) + PR010/K
7 Baud Rate 19.2 kbit/s 38.4 kbit/s Set 38.4 kbit/s
8 State Normal Stand-by For normal functioning mode, set this dip-switch to OFF.
Example of dip-switch settings for connection of PR010/K with SACE PR212/P protection unit.
12345678
5.7.2. Signalling
The significance of signals (K51/1…K51/8) for the SACE PR212/P protection unit is as follows:
Contact N° Pin on
unit PR010/K Event which causes closing of relay
K51/1 5 Alarm protection L (overload)
K51/2 6 Alarm protection S (selective short circuit)
K51/3 7 Alarm protection I (instantaneous short circuit)
K51/4 8 Alarm protection G (ground fault)
K51/5 9 Internal Bus communication problem (bus KO)
K51/6 10 Not Used
K51/7 12 CB trip alarm –TRIP–
K51/8 17 Pre-alarm function L (overload)
Off
On

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5.8. SACE PR010/K with SACE PR212/MP unit
5.8.1. Dip-switch settings
N°
Dip-Sw
Description of
dip-switch 0 (Off) 1(On) Note
1 Test Normal Self-test For normal functioning mode, set this dip-switch to
OFF.
2 K51/4 Function U Protection WC Protection
3 K51/6 Function PTC Protection G.P. Protection
4 K51/8 Function L Pre-alarm Backup Protection
Functions (A or B)
assigned to relay contact, to be selected with
corresponding dip-switch
5- - - Notused
6 Mode Slave Master Set Master
7 Baud Rate 19.2 kbit/s 38.4 kbit/s Set 38.4 kbit/s
8 State Normal Stand-by For normal functioning mode, set this dip-switch to
OFF.
Example of dip-switch settings for connection of PR010/K unit with SACE PR212/MP protection unit.
12345678
5.8.2. Signalling
The significance of signals (K51/1…K51/8) for the SACE PR212/MP protection unit is as follows:
Contact N° Pin on
unit PR010/K Event which causes closing of relay
K51/1 5 Alarm protection L (overload)
K51/2 6 Alarm protection R (rotor stuck)
K51/3 7 Alarm protection I (instantaneous short circuit)
A Alarm protection U (loss of phase)
K51/4 * 8B Alarm WC (contacts stuck )
K51/5 9 Internal Bus communication problem (bus KO)
A Alarm PTC (motor overheat )
K51/6 * 10 B Activation of generic input contact (generic input G.P.)
K51/7 12 CB trip alarm –TRIP–
A Pre-alarm function L (overload)
K51/8 * 17 B Backup alarm protection
“*”The reason for the closing of these contacts (K51/4 ,K51/6 e K51/8) ) depends upon the configuration (event A or
event B) set via the dip-switch of the PR010/K unit, (see par.5.3).
Off
On

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5.9. Applicable electrical diagrams
5.9.1. PR112 (or PR113) + PR010/K

Rev. L0633 Apparatus SACE PR010/K Sh. No.
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5.9.2. PR113/P + 3 PR010/K units

Rev. L0633 Apparatus SACE PR010/K Sh. No.
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5.9.3. PR212/P (or PR212/MP) + PR010/K
5.9.4. PR212/P + PR212/D-L (or PR212/D–M) + PR010/K

Rev. L0633 Apparatus SACE PR010/K Sh. No.
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5.9.5. Electrical diagram legend
A11 = Communication unit PR212/D-L (or PR212/D-M) for connection with a remote supervision system.
A13 = Signalling unit PR010/K
K51 = Protection unit PR212/P, PR212/MP, PR112/P, PR112/PD, PR113/P e PR113/PD.
K51/1...8 = Internal relays of protection unit PR010/K
X3-X4 = Connectors for auxiliary circuits of protection unit PR212/P or PR212/MP
X = Connector for auxiliary circuits for removable breaker.
XV = Terminals for auxiliary circuits for fixed breaker.
6. Troubleshooting
The following table details a range of typical operational situations, useful in the understanding and resolution of
hypothetical faults and malfunctions.
NB:
• Before consulting the following table, check the LEDs on the front panel of the PR010/K unit for several seconds.
(wait until the end of the start up phase if the unit has just been switched on).
• FN indicates normal functioning.

Rev. L0633 Apparatus SACE PR010/K Sh. No.
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N° Situation Possible cause Suggestions
1
Relays do not switch, even in
presence of conditions
required for switching (for
example an overload with
protection function L)
1. Relay in Stand-by or Self-test mode.
2. The unit has not been reset.
1.Set the Stand-by and Self-test dip-switches
to OFF, press the reset push-button on the
front panel of the PR010/K unit.
2. Carry out reset.
2The unit does not update
events after a trip.
1. The unit has not been reset
2. Internal Bus communication is
interrupted.
1.Press the reset push-button on the front
panel of the PR010/K unit.
2.Check connections.
3The signalling cannot be reset after a trip, despite pressing
the reset push-button.
The connected protection unit is a
PR112/PD or PR113/PD and has not
been reset.
1.Press the RESET push-button on the front
panel of the PR112/PD or PR113/PD.
2.Send the “Trip reset” command from the
remote supervision system.
4Flashing “Tx (Int Bus)” and/or switching relay K51/5 (bus
KO) discontinued.
1. Bus conflict (2 master)
2. Defective connection 1. Set Slave mode (dip-sw 6=Off) 2. Check connections
5The LED “Tx (Int Bus)” flashes with a frequency of
2Hz.
1. Communication not present.
2. Unit PR010/K in Stand-by mode.
3. Unit PR010/K in Self-test mode.
4. Connected protection unit not
recognised.
5. Incorrect communication speed set
(dip-switch “Baud”).
1. Check connections.
2. FN
3. FN
4.Remove Vaux from PR010/K unit and from
the protection unit, then re-power the two
units simultaneously.
5. Set the correct value.
6 The LED “Tx (Int Bus)” is off. 1. Wiring error. 2. Anomalous situation.
3. Aux voltage not present.
1. Check connections.
2. Contact ABB SACE.
3. Restore supply voltage.
7The LED “Tx (Int Bus)” is on
continuously. Anomalous situation. Contact ABB SACE
8The LED L (or S, I, or G)
flashes.
The circulating current is close to the
threshold value (L, S, I or G) set on the
protection unit. FN
6.1. In case of fault
If it is suspected that the PR010/K unit is faulty, is malfunctioning or has generated unpredicted commands, the used is
advised to carefully follow the following instructions:
Prepare a brief description of the problem (when did it occur? How many times? Can the event be reproduced? ...)
Note the type of load connected to the signalling unit (lamps, signalling relays, CBs, contacts, sirens etc..) and the
serial number of the unit (see par.5.3.3).
Send / communicate all the information, along with applicable electrical diagrams, to the nearest ABB SACE Service
centre.
Providing complete and accurate information to ABB SACE Service will allow the problem to be analysed efficiently,
thus permitting the client to receive complete and prompt service.