Siemens SITRANS LVS100 User manual

SITRANS
Vibrating Switches
SITRANS LVS100/200
Operating Instructions 03/2011

© Siemens AG 2011
Safety Guidelines: Warning notices must be observed to ensure personal safety as well as that of
others, and to protect the product and the connected equipment. These warning notices are
accompanied by a clarification of the level of caution to be observed.
Qualified Personnel: This device/system may only be set up and operated in conjunction with this
manual. Qualified personnel are only authorized to install and operate this equipment in accordance with
established safety practices and standards.
Unit Repair and Excluded Liability:
•The user is responsible for all changes and repairs made to the device by the user or the user’s
agent.
•All new components are to be provided by Siemens Milltronics Process Instruments.
•Restrict repair to faulty components only.
•Do not reuse faulty components.
Warning: Cardboard shipping package provides limited humidity and moisture protection. This product
can only function properly and safely if it is correctly transported, stored, installed, set up, operated, and
maintained.
This product is intended for use in industrial areas. Operation of this equipment in a residential area
may cause interference to several frequency based communications.
Note: Always use product in accordance with specifications.
Copyright Siemens AG 2011. All Rights
Reserved
Disclaimer of Liability
This document is available in bound version and in
electronic version. We encourage users to purchase
authorized bound manuals, or to view electronic
versions as designed and authored by Siemens
Milltronics Process Instruments. Siemens Milltronics
Process Instruments will not be responsible for the
contents of partial or whole reproductions of either
bound or electronic versions.
While we have verified the contents of this
manual for agreement with the
instrumentation described, variations remain
possible. Thus we cannot guarantee full
agreement. The contents of this manual are
regularly reviewed and corrections are
included in subsequent editions. We welcome
all suggestions for improvement.
Technical data subject to change.
MILLTRONICS®is a registered trademark of Siemens Milltronics Process Instruments.
Contact SMPI Technical Publications European Authorized Representative
at the following address:
Technical Publications Siemens AG
Siemens AG Industry Sector
Siemens Milltronics Process Instruments 76181 Karlsruhe
1954 Technology Drive, P.O. Box 4225 Deutschland
Peterborough, Ontario, Canada, K9J 7B1
Email: [e-mail]
•For a selection of Siemens Milltronics level measurement manuals, go to:
www. siemens.com/processautomation. Under Process Instrumentation, select
Level
Measurement
and then go to the manual archive listed under the product family.
•For a selection of Siemens Milltronics weighing manuals, go to:
www. siemens.com/processautomation. Under Weighing Technology, select
Continuous
Weighing Systems
and then go to the manual archive listed under the product family.

7ML19985FT63 SITRANS LVS100/200 – INSTRUCTION MANUAL Page EN-1
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Safety Notes
Special attention must be paid to warnings and notes highlighted from the rest of the text
by grey boxes.
Safety marking symbols
The Manual
This manual will help you set up your SITRANS LVS100/200 for optimum performance. We
always welcome suggestions and comments about manual content, design, and
accessibility.
Please direct your comments to [email protected]. For the complete library of
Siemens Milltronics manuals, go to www.siemens.com/processautomation.
WARNING: relates to a caution symbol on the product, and means
that failure to observe the necessary precautions can result in
death, serious injury, and/or considerable material damage.
WARNING1: means that failure to observe the necessary
precautions can result in death, serious injury, and/or considerable
material damage.
CAUTION: means that failure to observe the necessary precautions can
result in considerable material damage.
Note: means important information about the product or that part of the operating
manual.
1. This symbol is used when there is no corresponding caution symbol on the
product.
In
Manual
On
Product Description
(Label on product: yellow background.)
Caution: refer to accompanying documents (manual) for details.
Earth (ground) Terminal
Protective Conductor Terminal
Notes:
• Please follow the installation and operating procedures for a quick, trouble-free
installation and to ensure the maximum accuracy and reliability of your
SITRANS LVS100/200
• This manual applies to SITRANS LVS100 and SITRANS LVS200 only.
• Product details and instructions in this manual relate to both SITRANS LVS100 and
SITRANS LVS200 unless otherwise stated.
• This product is intended for use in industrial areas. Operation of this equipment in a
residential area may cause interference to several frequency based
communications.

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SITRANS LVS100 and LVS200
Introduction
The SITRANS LVS100 and SITRANS LVS200 are available in a standard version, with the
SITRANS LVS200 offering two additional versions.
SITRANS LVS100, SITRANS LVS200 - Standard Version
• SITRANS LVS100/200 standard version is a vibrating level switch that detects high
or low levels of dry bulk solids in bins, silos, or hoppers. It has a compact design that
allows it to be top or side mounted and the vibrating fork ensures that the tines are
kept clean.
• SITRANS LVS100 is an entry level solids fork with a bulk density limit starting
at 60 g/l (3.8 lb/ft3). The LVS100 is available with rigid extension options to
4 000 mm (157").
• SITRANS LVS200 provides several output options for indication of point level
with products such as lime, styrofoam, flour, and plastic granules, starting at
20 g/l (1.2 lb/ft3). It handles a broader range of applications and is able to
measure bulk densities of less than 5g/l. In addition, the LVS200 has a wider
range of process configurations. SITRANS LVS200 standard length fork is
available with variable cable extension lengths to a maximum of 20 000 mm
(787") (cable extensions for top mount applications only). An optional longer
fork is available for increased sensitivity.
SITRANS LVS200 - Liquid/Solid Interface Version
• The SITRANS LVS200, liquid/solid interface version, is a vibrating level switch that
can also detect settled solids within liquids, or solids within confined spaces such
as feed pipes. This version is designed to ignore liquids in order to detect the
interface between a solid and a liquid. The design incorporates a short fork, and is
also available with variable cable extension lengths to a maximum of 20 000 mm
(787"), for top mount applications only.
SITRANS LVS200 - Pipe Extension Version
• The SITRANS LVS200, pipe extension version, is a vibrating level switch that
incorporates a customer supplied pipe extension [maximum length 3800 mm (150")]
with the standard or liquid/solid (short) LVS200 fork and electronics. This allows for
separation of the electronics and tuning fork for applications requiring a rigid
extension. Please see
SITRANS LVS200 Pipe Extended Version on page 23 for
information on assembly.
Notes
• Installation, maintenance, and commissioning must be performed by qualified
technical personnel.
• SITRANS LVS100/200 must be used only in the manner outlined in this instruction
manual.

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Product Features
• High resistance to mechanical forces
• Strong vibration resistance to high bulk material loads
• Rotatable enclosure
• LVS100: R 1½" (BSPT); 1¼" NPT (Taper) threaded connection
• LVS200: Stainless steel 1½” NPT or R 1½” (BSPT) threaded connection, or R 2"
(BSPT) or NPT sliding sleeve. DN 100 and 2, 3, 4" ASME flange options available.
• Suitable for high or low density material
LVS100 standard version: 60 g/l (3.8 lb/ft3) min.
LVS200 standard version: 20 g/l (1.2 lb/ft3) min.
LVS200 standard version with low density fork: 5 g/l (0.3 lb/ft3) min.
LVS200 liquid/solid interface version: 50 g/l (3.0 lb/ft3) min.
Product Applications
• Dry lime, styrofoam, flour, plastic granules
• High or low density, dry bulk materials
• Interface detection of a solid within a liquid (filter beds)
• Flow or no flow detection in pipe using liquid/solid LVS200 version
Principle of Operation
A signal from the electronic circuit excites a crystal in the probe, causing the fork to
vibrate. If the fork is covered by material, the change in vibration is detected by electronic
circuitry which causes the relay to change state after a one second delay. When the
material no longer reaches the tines, full vibration resumes and the relay reverts to its
normal state.
WARNINGS:
• This product is designed as a Pressure Accessory per Directive 97 / 23 / EC
and is not intended for use as a safety device.
• Materials of construction are chosen based on their chemical
compatibility (or inertness) for general purposes. For exposure to
specific environments, check with chemical compatibility charts
before installing.

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Specifications
Power
LVS100
• 19 to 230 V AC, +10 %, 50 to 60 Hz, 8 VA / 19 to 50 V DC, +10 %, 2 W
LVS200
• 19 to 230 V AC, +10 %, 50 to 60 Hz, 8 VA / 19 to 55 V DC, +10 %, 1.5 W
• 18 to 50 V DC 3-wire PNP
• 7 to 9 V DC (requires NAMUR switch amplifier) NAMUR IEC 60947-506, 2-wire
• 8/16 mA or 4 to 20 mA; 12.5 to 35 V DC, 2-wire
Performance
Measuring frequency
LVS100
• standard approx. 200 Hz
LVS200
• standard approx. 125 Hz
• liquid/solid interface version approx. 350 Hz
• enhanced sensitivity option approx. 90 Hz
Signal delay
• probe uncovered to covered approx. 1 second
• probe covered to uncovered approx. 1 to 2 seconds
Relay delay (DPDT version) (LVS200)
• adjustable up to 30 seconds
Sensitivity
• high or low, switch selectable
Minimum material density
LVS100
• standard version approx. 60 g/l (3.8 lb/ft3)
LVS200
• standard version approx. 20 g/l (1.2 lb/ft³)
• standard version with low density fork approx. 5 g/l (0.3 lb/ft³)
• liquid/solid interface version approx. 50 g/l (3 lb/ft³)
Note: Siemens Milltronics makes every attempt to ensure the accuracy of these
specifications but reserves the right to change them at any time.

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Maximum particle size
• LVS100 8 mm (0.32")
• LVS200 10 mm (0.39")
Alarm Output
LVS100
• version with 2 relays DPDT relay
relay fail-safe: high or low,
switch selectable
relay 8 A at 250 V AC,
non-inductive / relay 5 A at 30 V DC,
non-inductive
LVS200
• version with 1 relay SPDT relay
relay fail-safe: high or low,
switch selectable
relay 8 A at 250 V AC,
non-inductive / relay 5 A at 30 V DC,
non-inductive
• version with 2 relays DPDT relay
relay fail-safe: high or low,
switch selectable
relay 8 A at 250 V AC,
non-inductive / relay 5 A at 30 V DC,
non-inductive
• 3-wire PNP open collector: permanent load
maximum 0.4 A, short circuit and
overload protected;
turn-on voltage: max. 50 V (reverse
protection)
• mA output (build-up detection) 8/16 mA or 4 to 20 mA;
resolution 4 to 20 mA, ±0.1 mA

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Mechanical
Process Connection
LVS100
• thread R 1½" (BSPT); 1¼" NPT (Taper)
ANSI B 1.20.1
• thread material stainless steel 316 Ti (1.4581) or
304 (1.4301) for specific configurations
LVS200
• thread 1½” NPT (Taper), R 1½” (BSPT)
• thread material stainless steel 304 (1.4301) or
optional stainless steel 316 Ti (1.4571)
• flanges DN 100 PN6, DN 100 PN16,
2", 3", 4" ASME 150 lb flanges
• optional sliding bushing with R 2" (BSPT) or NPT (Taper) thread
Tines
• tine material stainless steel 316Ti (1.4571)
(PTFE1coated tines are available upon special request. Contact your local Siemens
representative for ordering information.)
Enclosure
• construction epoxy-coated aluminum
• conduit entry 2 x M20x1.5, or 2 x ½” NPT
• ingress protection Type 4X/NEMA 4X/IP66
Weight
• standard version, no extensions 2.0 kg (4.4 lb)
• solids/liquids, no extensions 1.9 kg (4.2 lb)
Environmental
• location indoor/outdoor
• altitude max. 2000 m (6562 ft)
• ambient temperature –40 to +60 °C (–40 to +140 °F)
• relative humidity 0 to 100% (suitable for outdoor: ingress
protection: Type 4X/NEMA 4X/IP66)
• installation category III
• pollution degree 2
1. Polytetrafluoroethylene

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Process
Temperature
• All approvals except CSA Class II,
Group G: –40 to +150 °C (–40 to +302 °F)
• CSA Class II, Group G: –40 to +140 °C (–40 to +284 °F), CSA
temperature code T3B
• For applications with process temperature greater than +80 °C (+176 °F), the
maximum threaded bushing surface temperature must not exceed +80 °C (+176 °F)
• Maximum enclosure surface temperature (Category 2D): +90 °C (+194 °F) (ATEX
relevant)
• Maximum extension surface temperature (Category 1D): +150 °C (+302 °F) (ATEX
relevant)
Pressure
• max 10 bar, gauge (145 psi, gauge)
Approvals
LVS100
•CE
• ATEX II 1/2D
• CSA/FM Class II, III, Div. 1, Groups E, F, G
•C-TICK
LVS200
•FM/
CCSAUS General Purpose
•CE
• CSA/FM Dust Ignition Proof
• ATEX II 1/2D
• CSA/FM IS Class I, II, III, Div. 1, Groups A to G, FM Class I, Aex ia IIC, CSA Class 1,
Ex ia IIC, available only with 7 to 9 V DC power supply with NAMUR switch
amplifier
• ATEX II 1G and 1/2G Eex ia IIC; ATEX II 1D and 1/2D, available only with 7 to 9 V DC
power supply with NAMUR switch amplifier
•C-TICK
Note: SITRANS LVS200 can be installed with an optional temperature isolator
extension. The isolator increases the distance of the electronics from the process
surface, thus allowing for a higher ambient temperature. See “Temperature Isolator
Option (LVS200)” on page 10. for more information.
Note: Pressure information for hazardous areas
The device construction allows over-pressure up to 10 bar. This pressure is allowed for
test purposes. The ATEX approval applies to over-pressure between –0.2 and 0.1 bar in
hazardous areas. For higher or lower pressures, the approval is not valid.

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Installation
Mounting
Notes:
• Installation shall be performed by qualified personnel and in accordance with local
governing regulations.
• Do not bend, shorten or extend the tines.
• Position the tines using a 50 mm open-end wrench when installing the process
connection (do not turn the housing). When side mounting SITRANS LVS100/200,
position the tines vertically, with the tine orientation marking facing up or down.
• In pressure applications, use PTFE tape or other appropriate sealant to seal
tapered threaded connections.
• After mounting, ensure the cable entries point downward to prevent water entering
the housing.
• For the SITRANS LVS100/200 extended model, the torque due to material loading at
the mounting point may not exceed 250 Nm.
• Mounting torque for the 1½" thread connection may not exceed 80 Nm.
WARNINGS:
LVS100 and LVS200:
• This product is designated as a Pressure Accessory per Directive
97 / 23 / EC and is not intended for use as a safety device.
• Improper installation may result in loss of process pressure.
• To install devices in hazardous locations, observe all valid installation
regulations.
• For ATEX installations, observe the requirements of EN 50281-1-2
regarding dust deposits and temperatures. Before opening the device
lid, ensure there are no deposits present.
• Do not remove lid while circuits are live.
• Install the SITRANS LVS100/200 so mechanical friction or impact does
not cause sparks between the aluminium enclosure and steel vessel.
LVS200:
• Installation in Zone 0 (electronics: NAMUR): The intrinsic safe supply
circuit must have galvanic isolation to a non- intrinsically safe area.
Otherwise, provide protection for the device against lightning strikes
(see EN 60079-14).
• Power supply (electronics: NAMUR): Intrinsically safe protection is
only valid when connected to a certified intrinsically safe power
supply.
• For the LVS Pipe extended and cable extended models with Namur
electronics for gas hazardous approvals: When mounting the units on a
vessel lid that separates Zone 0 (Cat. 1G) from Zone 1 (Cat 2G), the units
have no safe separation between Zone 0 and Zone 1. Gas can pass
from Zone 0 through the unit to Zone 1.

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SITRANS LVS100/200 is normally mounted into the vessel top for full detection, or
through the tank wall at the detection level, for full, demand, or empty detection.
Cable gland faces
downward to avoid
water penetration.
Protection in case of
high material loading.
Use angle mounting for flowing
material only.
If angle mounting is required
with high material loading,
customer-supplied protection
from falling material must be in
place.
*
max. deviation
from vertical
α
max. length L
5º 4 m
45º 1.2 m
>45º 0.6 m
*
L
Tine orientation
marking facing
sideways.
α
Position tines vertically
to avoid product build-
up: use a 50 mm open-
end wrench to turn the
process connection
until the tine
orientation marking
faces up or down.
Rigid extension with
sliding sleeve
Cable
extension
version

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Temperature Isolator Option (LVS200)
When installed with the temperature isolator option, SITRANS LVS200 can operate in
higher ambient temperatures.
Process Cautions
$installed without temperature
isolator, process connection at surface
%installed without temperature
isolator, process connection above
surface
&installed with temperature isolator
option
Installing SITRANS
LVS200 with the
temperature
extension allows the
device to be operated
at higher ambient
temperatures, &,
than would be
possible otherwise,
$.
Caution:
• Locate SITRANS LVS100/200
out of path of falling material
• Protect shaft and tines from falling
material
OR

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Dimensions - SITRANS LVS100
120 mm
(4.72")
150 mm
(5.91")
customer
supplied
process
flange
170 to 4000 mm (6.69 to 157"):
customer-specified rigid
extension
125 mm (4.92"):
standard fork
60 mm
(2.36")
60 mm
(2.36") 75 mm
(2.95")
tine
orientation
marking
Zone 21
(Cat. 2)
Zone 20
(Cat. 1)
threaded
bushing [max.
temp. +80°C
(+176°F)]
tine

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Dimensions - SITRANS LVS200
120 mm
(4.72")
150 mm
(5.91")
customer
supplied
process
flange 165 mm (6.5"): compact solids/liquids interface model
230 mm (9.0"):compact standard version
300 to 4000 mm (11.81 to 157"): customer-specified rigid
extension
170 mm (6.69"):
standard fork
195 mm (7.68"):
low density fork
100 mm (3.94"):
liquid/solid
(short) fork
60 mm
(2.36")
60 mm
(2.36") 75 mm
(2.95")
tine
orientation
marking
Zone 21
(Cat. 2)
Zone 20
(Cat. 1)
threaded
bushing [max.
temp. +80°C
(+176°F)]
optional
sliding
bushing*
*Note: The clamping screws of the sliding bushing
must be tightened to 10 Nm.
** Cable version with Liquids/solids interface
model option length to 7000 mm (275.59")
Cable version with NAMUR electronics length to
10 000 mm (393.7")
tine
100 mm (3.94"):
solids/liquids
interface model
Cable version
195 mm
(7.68")
700 to
20 000 mm**
(27.56 to 787")
155 mm
(6.1")
ø 42 mm
(1.67")
ø 42 mm
(1.67")

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Wiring
Connection recommendations
• Use a fuse for the signal output (max. 10 A).
• Provide protection for relay contacts to protect the device against spikes if inductive
loads are connected.
Precautions
• Before opening the lid, ensure there are no dust deposits around
SITRANS LVS100/200, and that the atmosphere around the instrument is settled.
• Make sure the main voltage does not exceed the maximum voltage listed on the
product label.
• Ensure that no more than 8 mm of each wire is stripped (to avoid danger of contact
with live parts).
• Ensure the boots for protecting cable terminations are no longer than 8 mm (to avoid
danger of contact with live parts).
WARNINGS:
• Open SITRANS LVS100/200 only when supply voltage is switched off.
• All field wiring must have insulation suitable for at least 250 V AC.
• A disconnect switch must be in close proximity to the equipment and
within easy reach of the operator.
• Use appropriate conduit or cable glands in hazardous locations.
Unused cable conduit fittings must be locked with a closing element or
plug.
• Observe all pertinent rules and regulations in the country of
installation.
Notes:
European requirements
• When mounting SITRANS LVS100/200in hazardousareas, make sure the customer
supplied cable glands and/or plugs are certified ATEX 100a flameproof. The
certified temperature range must be at least -40 to +70 °C (-40 to +158 °F). The
minimum ingress protection requirement of IP6x according to European Standard
EN 60529 must be satisfied. Observe special conditions for safe use of the cable
gland described in the gland’s approval documentation.
• The requirements of European Standard EN 50281-1-2 regarding dust deposits and
temperature must be followed.

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Universal voltage (DPDT relay)
(LVS100)
Universal voltage (SPDT relay)
(LVS200)
12
345
678
alarm output relays
FSH/FSL adjustment
sensitivity adjustment
B = factory setting,
A = decreased
AC: terminal 1: L
terminal 2: N
19 to 230 V AC, + 10 %, 50 to 60 Hz, 8 VA
DC: terminal 1: +
terminal 2: -
19 to 50 V DC, + 10 %, 2 W
A
B
FSH
FSL
LED
alarm output relay
FSH/FSL adjustment
sensitivity adjustment
B = factory setting,
A = decreased sensitivity
AC: terminal 1: L
terminal 2: N
19 to 230 V AC, + 10 %, 50 to 60 Hz, 8 VA
DC: terminal 1: +
terminal 2: -
19 to 55 V DC, + 10 %, 1.5 W
protective earth terminal
AB
FSH FSL
LED

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Universal voltage (DPDT relay) 3-wire PNP
(LVS200) (LVS200)
2-wire NAMUR IEC 60947-5-6 8/16 mA or 4 to 20 mA
(LVS200) (LVS200) (LVS200)
PE +
L-
Nalarm output relays PE +-
load
AC: terminal 1: L
terminal 2: N
19 to 230 V AC, + 10 %, 50 to 60 Hz, 18 VA
DC: terminal 1: +
terminal 2: -
19 to 55 V DC, + 10 %, 2 W
DC: terminal 1: +
terminal 2: -
18 to 50 V DC, + 10 %, 1.5 W
PE +
L-
NPE +-PE +-
AC: terminal 1: L
terminal 2: N
19 to 230 V AC, + 10 %,
50 to 60 Hz, 1.5 VA
DC: terminal 1: +
terminal 2: -
19 to 230 V DC, + 10 %, 1 W
ca. 7 to 9 V DC,
intrinsically safe
(IEC 60947-5-6)
DC: terminal 1: +
terminal 2: -
12.5 to 36 V DC, + 0 %

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Sensitivity
If the measured material tends to cake or build up, the sensitivity adjustment switch can
be set to position A to decrease the sensitivity of the probe (factory setting is position B).
The sensitivity for interface applications should be set to position B, while the setting for
high-flow applications should be position A.
LVS100
LVS200
FSH/FSL adjustment or
High/Low Alarm setting
sensitivity adjustment:
B = factory setting
A = decreased sensitivity
FSH
FSL
A
B
FSH/FSL adjustment or
High/Low Alarm setting (NAMUR)
sensitivity adjustment:
B = factory setting
A = decreased sensitivity
FSH FSL
AB

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Switching Logic
Probe uncovered
Signal Output
Model Failsafe low Failsafe high
LVS100
DPDT relay
LVS200
SPDT relay
LVS200
DPDT relay
3-wire PNP
2-wire
8/16 mA I = 16 mA I = 8 mA
Signal Output LED
Low alarm setting High alarm setting
NAMUR IEC
60947-5-6 I < 1 mA I > 2.2 mA
Signal Output LED
76543
8
876543
345
345

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Probe covered
Signal Output
Model Failsafe low Failsafe high
LVS100
DPDT relay
LVS200
SPDT relay
LVS200
DPDT relay
3-wire PNP
2-wire
8/16 mA I = 8 mA I = 16 mA
Signal Output LED
Low alarm setting High alarm setting
NAMUR IEC
60947-5-6 I >2.2 mA I < 1 mA
Signal Output LED
876543
76543
8
345
345