Electrolab 2110EX-12 User manual

EL 29132 Version: V.002
Last Updated: 01/2022
© 2022, Electrolab, Inc. All Rights Reserved.
USER MANUAL
Explosion Proof Housing - Digital
Model 2110EX-12 and Model 2110EX-24
Standard and HLS Versions

EL 29132 Version: V.002
Last Updated: 01/2022
© 2022, Electrolab, Inc. All Rights Reserved.
© 2022 Electrolab, Inc. ALL RIGHTS RESERVED.
This document may not be reproduced, copied (except for a single archive copy), used, disclosed,
transferred (including sold, leased, or rented) adapted or modified except in accordance with the
terms andconditions of the License Agreement between the user and Electrolab, Inc.
Electrolab, Inc. makes no representations of warranties with respect to the contents hereof and
specificallydisclaims any implied warranties of merchantability of fitness for any particular purpose.
Electrolab, Inc. reserves the right to revise this publication and to make changes from time to time in
its content without the obligation to notify any person or organization of such revision or changes.

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Model 2110EX Explosion Proof Housing
CHARACTERISTICS
General Desription:
The Model 2110EX is NRTL certified explosion proof for use in hazardous
locations/environments (Class I, Division 1, Group D) in accordance with UL1203,
UL61010-1, CSA C22.2 No. 30, and CSA C22.2 No. 61010-1. The device is also certified
to provide Intrinsically Safe output for use in hazardous locations (Class I, Division 1,
Group D) in accordance with ANSI/UL 913, CSA C22.2 No. 60079-0 and CSA C22.2 No.
60079-11.The Barrier Unit actively limits the current and voltage to protect intrinsically safe
equipment from power spikes and to maintain the intrinsic safety. The barrier provides
intrinsically safe power and intrinsically safe communication or I/O lines for devices located
in Hazardous Areas.
Functions:
The 2110EX is capable of delivering safe levels of supply power, 2-wire RS485 digital
signals or any other digital I/O lines, and also two emulated dry contact circuits.
SPECIAL WARNINGS
Use only NRTL – listed limited power supply. Voltage should not exceed 12VDC for
model 2110EX-12 and 24VDC for model 2110EX-24
Use only with certified Explosion Proof conduit or certified Explosion Proof cable and
connector (eg. CLX and TMCX products).
Always attach the cables to the connector strain relief plate with cable ties. This will
ensure that cables do not migrate in the enclosure if they are disconnected from
connector by accident.
Always lock the cover by fastening its hex screw with a hex socket; use a hex spanner
of 1.5mm.
AVERTISSEMENTS SPÉCIAUX
N'utilisez que des blocs d'alimentation limités NEC class 2 répertoriés d‘une
Laboratoire d'essai reconnu à l'échelle nationale. La tension ne doit pas dépasser
12VDC pour le modèle 2110EX-12 et 24VDC pour le modèle 2110EX-24
Utilisez uniquement des conduits certifiés antidéflagrants ou des câbles et connecteurs
certifiés antidéflagrants (par exemple, les produits CLX et TMCX).
Fixez toujours les câbles à la plaque de décharge de traction du connecteur avec des
colliers de serrage. Cela garantira que les câbles ne migreront pas dans le boîtier s'ils
sont déconnectés du connecteur par accident.
Verrouillez toujours le couvercle à l'aide d'une vis à six pans creux à l'aide d'une clé
hexagonale de 1,5 mm de diamètre.
TECHNICAL DATA
Supply (X1-1):
Voltage: 10 to 12 VDC max for Model 2110EX-12
22 to 24 VDC max for Model 2110EX-24
Maximum input current: 50 mA
Current consumption: 40 mA
Communication (I/O) lines input (X1-3 and X1-4):

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Voltage: 5 VDC nom / 6 VDC max
Maximum input current 50 mA
Dry contact circuits input (X2-1 to X2-2 and X2-3 to X2-4):
Voltage: 10 to 12 VDC max for Model 2110EX-12
22 to 24 VDC max for Model 2110EX-24
Maximum input current 50 mA
Internal minimum ON resistance: 65.5 Ω
Um:
12 VDC Model 2110EX-12 (Should be supplied only from NRTL-listed limited power
supply)
24 VDC Model 2110EX-24 (Should be supplied only from NRTL-listed limited power
supply)
Environmental Conditions:
Temperature:
Operating -40 to 70 °C
Storage -40 to 85 °C
Atmospheric conditions:
Pressure 1 atm.
Oxygen concentration not greater than 21%
Approvals:
UL1203 Explosion-Proof and Dust-Ignition-Proof Electrical Equipment for Use in
Hazardous (Classified) Locations
UL61010-1 Standard for Safety Electrical Equipment For Measurement, Control, and
Laboratory Use
CSA C22.2 No. 30 Explosion-proof enclosures for use in Class I hazardous locations
CSA C22.2 No. 61010-1 Safety requirements for electrical equipment for measurement,
control, and laboratory use
UL 913, Standard for Intrinsically Safe Apparatus and Associated
Apparatus for Hazard (Classified) Locations
UL 60079-11 (Intrinsic Safety "i" Zones 0 and 1)
CSA C22.2 No. 60079-0 Explosive atmospheres - Part 0: Equipment - General requirements
CSA C22.2 No. 60079-11 Explosive atmospheres - Part 11: Equipment protection by
intrinsic safety "i"
Mounting:
Weight: approx. – 1.8Kg (4 Lbs.)
Connection: WAGO polarized plug-in disconnect/connect cage clamp
connection terminal blocks to accomodate terminations up to 1.5mm2
Location: Class I Div 1 Group D Temperature code T4
Dimensions:
PCB: 3.17“ x 3.17“
Enclosure: 4.2“x5.7“x 5“ (HxLxW)

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TERMINAL CONNECTIONS
Table 1.
EXPLOSION PROOF CONNECTION
INTRINSICALLY SAFE CONNECTION
X1-L1 →VDC
X1-L2 →DC_GND
X1-L3 →Tx/Rx-
X1-L4 →Tx/Rx+
X2-L1 →HI
X2-L2 → SW
X2-L3 →HI-HI
X2-L4 →SW
J1-1 →Tx/Rx+
J1-2 →DC_GND
J1-3 →Tx/Rx-
J1-4 →VDC
J2-1 →DC_GND
J2-2 →DC_GND
J2-3 →HI-HI
J2-4 →HI

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ENTITY PARAMETERS TABLE
Table 2.
Terminals
2110EX Parameter
Must
be
Hazardous Area Device
Parameters
J1-4
Uo/Voc = 10.71 V
≤
Ui/ Vmax
J1-1 thru J1-4;
Io/Isc = 239.7 mA
≤
Ii / Imax
J1-1 thru J1-4;
Po= 0.5037 W
≤
Pi / Pmax
J1-1 thru J1-4;
Co/Ca= 66 µF
≥
Ci/Cidevice + C cable
J1-1 thru J1-4;
Lo/La= 4 mH
≥
Li/Lidevice + L cable
J2-4
Uo/Voc = 10.71 V
≤
Ui/ Vmax
J3-3
Uo/Voc = 10.71 V
≤
Ui/ Vmax
J2-1 thru J2-4;
Io/Isc = 18.03 mA
≤
Ii / Imax
J2-1 thru J2-4;
Po= 0.048 W
≤
Pi / Pmax
J2-1 thru J2-4;
Co/Ca= 66 µF
≥
Ci/Cidevice + C cable
J2-1 thru J2-4;
Lo/La= 4 mH
≥
Li/Lidevice + L cable
For installation in which both Ciand Liof the Intrinsically Safe Apparatus exceed 1% of the Coand
Lo parameters of the Associated Apparatus (excluding cable), then 50% of Coand Loparameters are
applicable and shall not be exceeded.
If cable parameters are unknown, the following values may be used: Capacitance 60pF per foot
(180pF per meter), inductance 0.20uH per foot (0.60µH per meter).

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WARNINGS
Not to be connected to control equipment that uses or generates more than 12VDC for
Model 2110EX-12 or 24VDC for Model 2110EX-24 with respect to earth ground.
The 2110EX must be installed, operated, and maintained only by qualified personnel, in
accordance to relevant national/international installation standards (National Electric Code
(NFPA, Article 504) and ANSI/ISA – RP12.6).
Particular care shall be given to segregation and clear identification of IS conductors from
non-IS conductors.
De-energized power source (turn off power supply voltage) before installing or removing
the connections when installed in Hazardous Area/Hazardous Locations or unless area is
known to be non-hazardous.
Warning: substitution of components may impair Intrinsic Safety.
Explosion Hazard: to prevent ignition of flammable or combustible atmospheres,
disconnect power before servicing or unless area is known to be non-hazardous.
The unit cannot be repaired by the end user and must be returned to the manufacturer or
authorized representative. Any unauthorized modification must be avoided and will void any
warranty.
Note: X1-L3 and X1-L4 inputs are not reverse polarity protected. If reverse polarity occurs the unit
will fail-safe by blowing the fuses. To avoid this situation, special care is required at installation.
AVERTISSEMENTS
Ne doit pas être connecté à un équipement de contrôle qui utilise ou génère plus de 12 VCC
pour le modèle 2110EX-12 ou 24 VCC pour le modèle 2110EX-24 par rapport à la terre.
Le 2110EX doit être installé, utilisé et entretenu uniquement par du personnel qualifié,
conformément aux normes d'installation nationales / internationales (National Electric Code
(NFPA, Article 504) et ANSI / ISA - RP12.6).
Une attention particulière doit être accordée à la séparation et à l'identification claire des
conducteurs IS des conducteurs non IS
Source d'alimentation hors tension (couper la tension d'alimentation) avant d'installer ou de
retirer les connexions lorsqu'elles sont installées dans des zones dangereuses / endroits
dangereux ou à moins que la zone ne soit reconnue comme non dangereuse.
Avertissement: la substitution de composants peut compromettre la sécurité
intrinsèque.
Risque d'explosion: pour éviter l'inflammation des atmosphères inflammables ou
combustibles, déconnectez l'alimentation avant l'entretien ou à moins que la zone ne
soit reconnue comme non dangereuse.
L'appareil ne peut pas être réparé par l'utilisateur final et doit être renvoyé au fabricant ou à
un représentant autorisé. Toute modification non autorisée doit être évitée.
Remarque: Les entrées X1-L3 et X1-L4 ne sont pas protégées contre l'inversion de polarité. Si
l'inversion de polarité se produit, l'unité sera en sécurité en soufflant les fusibles. Pour éviter cette
situation, une attention particulière est requise lors de l'installation.

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MARKING
Labels:
The Model 2110EX will be clearly marked on the label attached to the enclosure,
label drawing number is 2110EX-12V-00/2110EX-24V-00.
Serial Number:
For each PCB board a unique serial number will be generated after factory testing. The serial
number consists of five digits followed by letter Aor B(e.g. SN: 00101A) and will be clearly
printed with black permanent marker on a white rectangle located on the front side of the PCB.
Letter Ais used to specify the 12VDC model and letter Bto specify the 24VDC model.
For each unit a unique serial number will be generated after factory testing. The serial
number consists of 12 alphanumeric characters as below:
UMxMMYYnnnnn
where:
UM –12 for 12V model and 24 for 24V model;
x– S for standard version and H for HLS option;
MM – manufacturing month;
YY – manufacturing year;
nnnnn – 5 digit incremental number;
12S021800101 represents a 12VDC model device with standard sensor option manufactured in
February 2018 and having the assigned order number 00101.
The serial number will be clearly printed on the enclosure label.
INSTALLATION
1. The unit can be mounted with any orientation over the entire ambient temperature range.
2. Use only explosion proof conduit or explosion proof cable to connect to the enclosure in
accordance with relevant national/international standards (National Electric Code (NFPA,
Article 504)).
3. Conduit seal is required within 18 inches of enclosure.
4. Electrical connection of conductors up to 1.5 mm2are accomodated by polarized plug-in
removable WAGO disconnect/connect cage clamp.
5. Connection to earth ground should use at least one wire with a minimum of 4 mm2copper or
at least two wires each with a minimum 1.5 mm2copper. The resistance path from device to
the point of connection should be less than 1 Ω.
6. Identify the function and location of each connection terminal using the wiring
diagram/control drawing (Drawing No. 2110EX-002).
7. Intrinsically safe conductors must be identified and segregated from non intrinsically safe
conductor and wired in accordance with relevant national/international standards (National
Electric Code (NFPA, Article 504) and ANSI/ISA – RP12.6).
8. Always attach the cables to the connector strain relief plate with cable ties. This will ensure
that cables do not migrate in the enclosure if they are disconnected from the connector by
accident. See pictures below.
9. The enclosure provides an IP54 minimum degree of mechanical protection for indoor and
outdoor installation.

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10. Lock the cover by fastening its hex screw with a hex socket; useahex spanner of 1.5mm.
11. Any unauthorized modification must be avoided.
12. Fuses are not field replaceable and the entire Explosion Proof Housing must be returned to
the manufacturer for repair.
13. Never change jumpers setting while device power is on.
STEP BY STEP INSTALLATION INSTRUCTIONS
1. Check device for proper model and voltage
a. Review the model number on the attached label and compare to the site power
requirements.
Example of a 24v Label
b. Open the enclosure and observe the voltage marked on the label placed on the inside
wall of the enclosure base.. Make sure the voltage matches the model number and
the location voltage requirements.
Example of a 24v Label
2. Loosen the nut on the top part of the 1-inch union, until it is almost removed.
3. Ensure the number of sensor connector pins match the number of 2110EX connector pins.

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2110EX-xxH connector with 13 pins HLS sensor connector with 13 pins
2110EX-xx Connector with 6 pins Standard sensor connector with 6 pins
4. Apply thread sealant to the 1-inch NPT connector on the sensor.
5. Hold the 2110EX above the sensor flange connector with one hand; insert and tighten up the
connector to the sensor with the other hand. Sensor with HLS connections shown at left;
standard sensor connections shown at right.
Tighten connector
6. Unscrew the bottom part of the union from the 2110EX. Then screw the bottom part of the
union‘s 1-inch FNPT onto the sensor‘s 1-inch MNPT flange until hand tight. Make sure the
connector cable is not caught in the threads or joint. Tighten the union using a 1.5“ wrench
but do not overtighten.
Ensure cable is not caught in threads or joint
7. Screw together the union parts until hand tight. Make sure the thread are straight to avoid
thread damage. Use a 1.5“ wrench to hold the threaded adapter (bottom part of the union)
and a 2-1/16 “ torque wrench to tighten the union nut to 125 ft.*lbs.
Tighten connector

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8. Connect the external RS485 communication and power wires to the orange connector X1
according to the control drawing 2110EX-002_RevA, following the pinout that is marked on
the circuit board. The wire size should be in the range 14 to 28 AWG. Secure the wires on
the pull tab using a cable tie.
9. Repeat step 8 for the gray HLS switch connector X2, if the 2110EX has the HLS option.
10. Seal the incoming conduit with a certified EX fitting within 18 inches from the 2110EX
enclosure.

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Control Drawing

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For more information contact Electrolab:
Electrolab, Inc.
159 Enterprise Parkway
Boerne, Texas
888-301-2400
www.electrolabcontrols.com