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LEVEL CONTROL
INSTRUMENTS
Index
1. LEVEL CONTROL INSTRUMENTS
1.1 Process Controller - DLC1001
...01
1.2 Liquid Level Monitoring Relay for three levels ...02
1.2.A 3 - LLMR - 110V
...02
1.2.B 3 - LLMR - 230V
...03
1.3 Level controller - APC3 - 1
...04
1.4 Contact duplicator
...05
1.4.A CD - 2 ROB - 2C - S
...05
1.4.B CD - 2ROB - S1 - 2
...06
1.5 Contact duplicator - CD - 4ROB - S1
...07
1.6 Liquid Level Controler - DLCS2 - M1
...08
1.7 Level Alarm Instrument - LAIS - 230V
...09
1.8 Level Relay Unit - LRU - 02A
.010
1.9 Liquid Level Controler - SOLCAR - M1
.011
1. LEVEL CONTROL INSTRUMENTS
1.1 PROCESS CONTROLLER - DLC1001
This micro controller - based instrument is basically a process
controller, which accepts a Universal 4~20mA input and
displays the corresponding process value as per configured.
It has four individual set points, all configurable as control
outputs or Alarm function. It has a facility for changing the
resolution of the input process value, control logic, alarm logic
and offset calibration in the configuration mode. In the normal
user setting mode, the Set point, corresponding hysterisis &
output Delay time settings can be accessed.
Process Controllers are used with Level Transmitters for display of variable outputs in terms of Linearity/
Volume/Percentage of Tank Liquids/Gases.
Options of Providing Multiple indicators for various tank monitoring applications within a Panel Enclosure/
Explosion proof Enclosures are possible.
SPECIFICATIONS
Input
Range
Set Points
Resolution
Control Action
Memory Supply
Supply
Cutout Size
Overall Size
Options :
:
:
:
:
:
:
:
:
:
4 to 20mA DC current
-1000 to 3500 Counts (Programmable) (Programmed for 0 to 500mm WC)
3 Set Points (1 No. Configured as Control output & 2Nos. as Alarms)
Programmable from 0.001 counts to 1 count by changing the “D-Pt”
parameter (1 mmWC)
ON / OFF for all set points
EEPROM memory with 100 years memory retention
230V AC, 10%, 50Hz.
92mm (W) x 92mm (H)
96mm (W) x 96mm (H) x 115mm (D)
With Ex-Proof enclosure Gr. IIA, IIB, IIC, Zone 1 & Zone 2
WIRING DETAIL WITH LEVEL TRANSMITTER
3
+
4
+
5
6
-
1
2
Page 1
1.2 LIQUID LEVEL MONITORING RELAY FOR THREE LEVELS
3LLMR Controllers are used for Connecting Conductivity level switch probes and providing respective
relay outputs from the circuitry for operating a pump, provide an alarm, operate a valve etc.,
As a Standard, we can provide multiple logic controls for various applications, which takes up most level
control options for a process plant.
3 outputs are standard - More output options are possible on application basis.
1.2.A 3 - LLMR - 110V
E0
A1
E3
POWER
2
Level-2
3
Level-3
11
E2
1
Level-1
E1
12
14
21
22
24
31
32
34
A2
SPECIFICATIONS :
SUPPLY VOLTAGE-110VAC+/-20%50HZ
Power Consumption: 3VA
SENSOR TYPE : Conductive Probes
Sensitivity: 33K Ohms
OUT PUT
: 3Relay contacts 1C/O type
rated 7A@250V AC
CONNECTION DETAILS
A1,A2:Supply Voltage
DIMENSION DETAILS
INPUTS:
Eo -Common Probe
E1,E2,E3-3Level sensing Probes
OUTPUT:
11-COM
12-NC
14-NO
21-COM
22NC
24-NO
31-COM
32-NC
34-NO
Level Relay Contact
Corresponding to E1
Level Relay Contact
Corresponding to E2
Level Relay Contact
Corresponding to E3
LENGTH- L: 100mm
BREADTH- B: 70mm
HEIGHT- H: 112mm
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 2
1.2.B 3 - LLMR - 230V
E0
A1
2
3
Level-3
12
14
21
22
24
SPECIFICATIONS :
SUPPLY VOLTAGE-230VAC+/-20%50HZ
Power Consumption: 3VA
SENSOR TYPE : Conductive Probes
Sensitivity: 50K Ohms
OUT PUT
E3
POWER
Level-2
11
E2
1
Level-1
E1
: 3Relay contacts 1C/O type
rated 7A@250V AC
CONNECTION DETAILS
A1,A2 :Supply Voltage
DIMENSION DETAILS
31
32
34
A2
INPUTS:
Eo -Common Probe
E1,E2,E3-3Level sensing Probes
OUTPUT:
11-COM
12-NC
14-NO
21-COM
22NC
24-NO
31-COM
32-NC
34-NO
Level Relay Contact
Corresponding to E1
Level Relay Contact
Corresponding to E2
Level Relay Contact
Corresponding to E3
LENGTH- L: 100mm
BREADTH- B: 70mm
HEIGHT- H: 112mm
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 3
1.3 LEVEL CONTROLLER - APC3 - 1
APC3 Level controllers are used for Overhead tank and Sump monitoring level control, Auto/Manual
changeover toggle switches help in providing flexibility for operation.
APC3 controllers are the simplest level control instruments, which are economical, rugged and serve
most purposes of level controllers in almost every application.
1
4
2
5
6
LEVEL CONTROLLER
APC3-1
PWR
AUTO
MANUAL
RLY
7
8
9
10
11
12
SPECIFICATIONS :
SUPPLY VOLTAGE-230VAC+/-20%50HZ
OUT PUT .: 2 C/O Contact rated
5A@250V AC (resistive)
SUPPLY VOLTAGE
TO FLOAT SWITCH :24V DC
DIMENSION DETAILS
LENGTH- L: 70mm
BREADTH- B: 51mm
HEIGHT- H: 112mm
CONNECTION DETAILS-Type-APC-3
1,2-230V AC SUPPLY
4-HIGH
5-LOW
6-COM
7-COM
8-NC
9-NO
10-COM
11-NC
12-NO
FROM
Relay
Contact
AUTO
SWITCH
FLOAT SWITCH
7,9 to be connected
across "ON"push button
Relay
Contact
10,12 to be connected series
with "OFF"push button
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 4
1.4 CONTACT DUPLICATOR - CD - 2 ROB - 2C - S
CD2ROB Level controllers are used for Changeover contacts applicable for Dual operations (Alarm/Valve/
Pump control). In Special applications, each potential free contact from the level switch can be converted
to Dual Changeover contacts (DPDT). All relay outputs provided can be helpful in most pump control
applications.
1.4 .A CD - 2 ROB - 2C - S
A1
11
111
21
121
COM
IN1.
IN2
2 ROB-2C-S.
12
14
POWER
RL1
24
112
22
RL2
114
122 124
A2
SPECIFICATIONS :
SUPPLY VOLTAGE-A1,A2 :230V AC ±20%, 50HZ
OUT PUT RELAY CONTACTS :AII 2 C/O Rated 5A
@250V AC (Resistive)
SUPPLY VOLTAGE TO SENSOR :12V DC
SENSOR TYPE
:MAGNETIC FLOAT SWITCHES
CONNECTION DETAILS
INPUT
RELAY
TERMINALS
INDICATIONS
IN1
IN2
RL1
RL2
OUT PUT RELAY
CONTACTS
COM
NC
NO
11
12
14
21
22
24
111
112
114
122
124
121
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 5
1.4.B CD - 2ROB - S1 - 2
A1
15
COM
25
IN1. IN2
POWER
RL1
RL2
CD-2 ROB-S1-2
16
18
26
A2
28
SPECIFICATIONS :
DIMENSION DETAILS
SUPPLY VOLTAGE-A1,A2 :110VAC+/-20%50HZ
LENGTH- L: 100mm
OUT PUT RELAY CONTACTS :AII 2 C/O Rated5A
@250V AC (Resistive)
HEIGHT- H: 112mm
BREADTH- B: 70mm
SUPPLY VOLTAGE TO SENSOR :12VDC
SENSOR TYPE
:MAGNETIC FLOAT SWITCHES
CONNECTION DETAILS
INPUT
RELAY
TERMINALS
INDICATIONS
OUT PUT RELAY
CONTACTS
COM
NC
NO
IN1
RL1
15
16
18
IN2
RL2
25
26
28
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 6
1.5 CONTACT DUPLICATOR - CD - 4ROB - S1
CD4ROBS Level controllers are used for Changeover contacts applicable for Dual operations (Alarm/Valve/
Pump control). In Special applications, each potential free contact from the level switch can be converted
to Dual / Four Changeover contacts (DPDT). All relay outputs provided can be helpful in most pump
control applications. In these controllers - upto 4 Changeover contacts can be provided
A1
15
25
35
45
COM
IN1
IN2
IN3
IN4
POWER
RL1
RL2
26
28
RL3
RL4
CD-4 ROB-S1
16
18
36
38
46
48
A2
SPECIFICATIONS :
DIMENSION DETAILS
SUPPLY VOLTAGE-A1,A2 :90-280 V AC, 50 HZ.
LENGTH- L: 100mm
OUT PUT RELAY CONTACTS :AII Rated 10A
@250V AC (Resistive)
HEIGHT- H: 112mm
BREADTH- B: 70mm
SUPPLY VOLTAGE TO SENSOR :24VDC
SENSOR TYPE
:MAGNETIC FLOAT SWITCHES
CONNECTION DETAILS
INPUT
RELAY
TERMINALS
INDICATIONS
OUT PUT RELAY
CONTACTS
COM
NC
NO
IN1
RL1
15
16
18
IN2
RL2
25
26
28
IN3
RL3
35
36
38
IN2
RL4
45
46
48
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 7
1.6 LIQUID LEVEL CONTROLER - DLCS2 - M1
DLCS2 Level Controllers are used for Overhead tank and Sump monitoring level control. Auto / Manual
changeover toggle switches help in providing flexibility for operation.
DLCS2 Controllers are the simplest level control instruments, which are used for outdoor applications,
rugged and serve most purposes of level controllers in almost every industry.
POWER
LEVEL HIGH
PUMP RELAY
LEVEL LOW
DLCS2-M1
LIQUID LEVEL CONTROLLER
OFF
AUTO
CONNECTION DIAGRAM
PUMP
RELAY
NO
S3 S4
C
Ph N
E
1
2
COM
HIGH
LOW
Parallel
with
MAGNETIC FLOAT
SENSOR PROBE
ON PB
Supply
Voltage
PUMP RELAY
NO
MANUAL
MANUAL
AUTO
3
4
series
with
OFF PB
Pump Starter Connections
DIMENSION DETAILS
LENGTH- L: 245mm
BREADTH- B: 90mm
HEIGHT- H: 180mm
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 8
1.7 LEVEL ALARM INSTRUMENT - LAIS -05A112- 230V
LAIS 05A112 Level controllers are used for overhead tank and sump monitoring level control. Alarm
Acknowledgement Push Buttons help in providing flexibility for operation. The unique feature would be
the individual control instrument requirement for each level switch.
LAIS 05A112 controllers are the simplest level control instruments, which are economical, rugged and
serve most purposes of level controllers in almost every application.
H
A1
L
COM
ALARAM ACK
LEVEL ALARM INSTRUMENT
POWER
LAIS-05A112
RELAY
H LEVEL
ALARAM ACK
L LEVEL
15
16
A2
18
DIMENSION DETAILS
SPECIFICATIONS :
SUPPLY VOLTAGE-230VAC+20%,50HZ.
Power Consumption: 3VA
Out put:1C/O Realy Contact Rated
LENGTH- L: 70mm
BREADTH- B: 51mm
HEIGHT- H: 112mm
10A @ 250V AC Resistive Load.
Input :High Level-Magnetic Float Switch NO Type.
Low Level-Magnetic Float Switch NC Type.
Alarm ACK-Alarm Acknowlede Remote S/W Input,NO Typr.
CONNECTION DETAILS
A1,A2 :Supply Voltage
HIGHLOWCOM-
Liquid Level Inputs From
Level Sensing Probe.
15-Common
16-Normally Closed
18-Normally Open
Out put Relay
Potential
Free contacts.
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 9
1.8 LEVEL RELAY UNIT - LRU - 02A
LRU02A Controllers are used for Connecting Conductivity level switch probes and providing respective
Relay outputs from the circuitry for operating a pump, provide an alarm, operate a valve etc.,
As a standard, we can provide multiple logic controls for various applications, which takes up most level
control options for a process plant.
2 outputs are standard - More output options are possible on application basis.
A1
E1
15
E2
POWER
LEVEL RELAY UNIT
LRU-02A
RELAY
16
18
A2
SPECIFICATIONS :
DIMENSION DETAILS
SUPPLY VOLTAGE-110VAC+/-20%50HZ
Power Consumption: 3VA
Out put:c/o Relay contacts Rated
LENGTH- L: 70mm
BREADTH- B: 51mm
HEIGHT- H: 112mm
5A@250V AC resistive Load
Sensitivity: <33K Ohms
Function: Relay switched "ON" when
the level of water is senced
CONNECTION DETAILS
A1,A2 :Supply Voltage
E1,E2 :Sensor Electrodes
15-Common
16-Normally closed
18-Normally open
Out put Relay
contacts
(Potential free)
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 10
1.9 LIQUID LEVEL CONTROLER - SOLCAR - M1
SOLCAR M1 Level Controllers are used for Overhead tank and Sump monitoring level control. Auto/
Manual changeover toggle switches help in providing flexibility for operation.
SOLCAR is the highest feature based level controller which has all options - Alarm acknowledgement,
Toggle switches, Highest Relay ratings.
SOLCAR M1 controllers are the simplest level control instruments, which are used for outdoor applications,
rugged and serve most purposes of level controllers in almost every industry.
POWER
HIGH-HIGH
ALARAM RELAY
HIGH
PUMP RELAY
LOW
ACK
ALARAM ACK
LOW-LOW
SOLCAR-M1
ALARM RELAY
COM
S1 S2 S3 S4 C
I1
I2
Ph N
E
NC
18 15 16
COM
HIGH HIGH
HIGH
LOW
Alarm
LOW LOW
PUMP
RELAY
NO
NO
Contacts
REMOTE
ALARM
ACK Switch
AUTO
Supply
Voltage
MANUAL
CONNECTION DIAGRAM
1
2
Parallel
with
ON PB
PUMP RELAY
NO
LIQUID LEVEL CONTROLLER
3
4
series
with
OFF PB
Pump Starter Connections
MAGNETIC FLOAT
SENSOR PROBE
DIMENSION DETAILS
LENGTH- L: 245mm
BREADTH- B: 90mm
HEIGHT- H: 180mm
Options: With Ex-Proof enclosure Gr IIA/IIB/IIC, Zone 1 & Zone 2
Page 11
Notes :
INDIA
HEAD OFFICE AND FACTORY
SHRIDHAN Automation Pvt. Ltd.
#B-54, KSSIDC Industrial Estate, Kumbalgodu , Mysore Road
Bangalore - 560074
INDIA
Phone: +91-80-28437847/+91-80-28437848
UNIT-2
SHRIDHAN Automation Pvt. Ltd.
D13, KIADB Industrial Area,Kumbalgodu, Mysore Road
Bangalore - 560074
INDIA
Email: [email protected]
Website : www.shridhan.com
MIDDLE EAST
Orbit Automation FZE
#R4-40 A, PO Box - 122828
SAIF Zone,Sharjah
INDIA
( A 100% SUBSIDIARY OF SHRIDHAN Automation, INDIA)
Contact :+97155 - 9347963 / +97155 - 1883375
Email: [email protected]
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Disclaimer: We reserve the right to modify the design without prior notice
SAPL/CTGE/LCI/2017