ZKTeco EC16 User manual

Thank you for choosing our product. Please read the instructions carefully
before operation. Follow these instructions to ensure that the product is
functioning properly. The images shown in this manual are for illustrative
purposes only.
For further details, please visit our Company’s website
www.zkteco.com.
USER MANUAL
Elevator Control Panel &
Elevator Floor Extension Board
Version: 1.1
Date: March 2023
English
Applicable Models: EC16 & DEX16

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |1Copyright©2023 ZKTECO CO., LTD. All rights reserved.
Copyright © 2023 ZKTECO CO., LTD. All rights reserved.
Without the prior written consent of ZKTeco, no terminalion of this manual can be copied or forwarded
in any way or form. All parts of this manual belong to ZKTeco and its subsidiaries (hereinafter the
"Company" or "ZKTeco").
Trademark
is a registered trademark of ZKTeco. Other trademarks involved in this manual are owned
by their respective owners.
Disclaimer
This manual contains information on the operation and maintenance of the ZKTeco equipment. The
copyright in all the documents, drawings, etc. in relation to the ZKTeco supplied equipment vests in
and is the property of ZKTeco. The contents hereof should not be used or shared by the receiver with
any third party without the express written permission of ZKTeco.
The contents of this manual must be read as a whole before starting the operation and maintenance of
the supplied equipment. If any of the content(s) of the manual seems unclear or incomplete, please
contact ZKTeco before starting the operation and maintenance of the said equipment.
It is an essential pre-requisite for the satisfactory operation and maintenance that the operating and
maintenance personnel are fully familiar with the design and that the said personnel have received
thorough training in operating and maintaining the machine/unit/equipment. It is further essential for
the safe operation of the machine/unit/equipment that personnel has read, understood and followed
the safety instructions contained in the manual.
In case of any conflict between terms and conditions of this manual and the contract specifications,
drawings, instruction sheets or any other contract-related documents, the contract conditions/
documents shall prevail. The contract specific conditions/documents shall apply in priority.
ZKTeco offers no warranty, guarantee or representation regarding the completeness of any
information contained in this manual or any of the amendments made thereto. ZKTeco does not
extend the warranty of any kind, including, without limitation, any warranty of design, merchantability
or fitness for a particular purpose.
ZKTeco does not assume responsibility for any errors or omissions in the information or documents
which are referenced by or linked to this manual. The entire risk as to the results and performance
obtained from using the information is assumed by the user.
ZKTeco in no event shall be liable to the user or any third party for any incidental, consequential,
indirect, special, or exemplary damages, including, without limitation, loss of business, loss of profits,
business interruption, loss of business information or any pecuniary loss, arising out of, in connection
with, or relating to the use of the information contained in or referenced by this manual, even if
ZKTeco has been advised of the possibility of such damages.
This manual and the information contained therein may include technical, other inaccuracies or
typographical errors. ZKTeco periodically changes the information herein which will be incorporated
into new additions/amendments to the manual. ZKTeco reserves the right to add, delete, amend or
modify the information contained in the manual from time to time in the form of circulars, letters,
notes, etc. for better operation and safety of the machine/unit/equipment. The said additions or

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |2Copyright©2023 ZKTECO CO., LTD. All rights reserved.
amendments are meant for improvement /better operations of the machine/unit/equipment and such
amendments shall not give any right to claim any compensation or damages under any circumstances.
ZKTeco shall in no way be responsible (i) in case the machine/unit/equipment malfunctions due to any
non-compliance of the instructions contained in this manual (ii) in case of operation of the
machine/unit/equipment beyond the rate limits (iii) in case of operation of the machine and
equipment in conditions different from the prescribed conditions of the manual.
The product will be updated from time to time without prior notice. The latest operation procedures
and relevant documents are available on http://www.zkteco.com.
If there is any issue related to the product, please contact us.
ZKTeco Headquarters
Address ZKTeco Industrial Park, No. 32, Industrial Road,
Tangxia Town, Dongguan, China.
Phone +86 769 - 82109991
Fax +86 755 - 89602394
For business-related queries, please write to us at [e-mail].
To know more about our global branches, visit www.zkteco.com.

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |3Copyright©2023 ZKTECO CO., LTD. All rights reserved.
About the Company
ZKTeco is one of the world’s largest manufacturer of RFID and Biometric (Fingerprint, Facial, Finger-
vein) readers. Product offerings include Access Control readers and panels, Near & Far-range Facial
Recognition Cameras, Elevator/floor access controllers, Turnstiles, License Plate Recognition (LPR) gate
controllers and Consumer products including battery-operated fingerprint and face-reader Door Locks.
Our security solutions are multi-lingual and localized in over 18 different languages. At the ZKTeco
state-of-the-art 700,000 square foot ISO9001-certified manufacturing facility, we control manufacturing,
product design, component assembly, and logistics/shipping, all under one roof.
The founders of ZKTeco have been determined for independent research and development of
biometric verification procedures and the productization of biometric verification SDK, which was
initially widely applied in PC security and identity authentication fields. With the continuous
enhancement of the development and plenty of market applications, the team has gradually
constructed an identity authentication ecosystem and smart security ecosystem, which are based on
biometric verification techniques. With years of experience in the industrialization of biometric
verifications, ZKTeco was officially established in 2007 and now has been one of the globally leading
enterprises in the biometric verification industry owning various patents and being selected as the
National High-tech Enterprise for 6 consecutive years. Its products are protected by intellectual
property rights.
About the Manual
This manual introduces the operations of EC16 Elevator Control Panel & DEX16 Elevator Floor
Extension Board.
All figures displayed are for illustration purposes only. Figures in this manual may not be exactly
consistent with the actual products.
Features and parameters with ★are not available in all devices.

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |4Copyright©2023 ZKTECO CO., LTD. All rights reserved.
Document Conventions
Conventions used in this manual are listed below:
GUI Conventions
For Software
Convention
Description
Bold font
Used to identify software interface names e.g., OK,Confirm,Cancel.
>
Multi-level menus are separated by these brackets. For example, File >
Create > Folder.
For Device
Convention
Description
< >
Button or key names for devices. For example, press <OK>.
[ ]
Window names, menu items, data table, and field names are inside square
brackets. For example, pop up the [New User] window.
/
Multi-level menus are separated by forwarding slashes. For example,
[File/Create/Folder].
Symbols
Convention
Description
This represents a note that needs to pay more attention to.
The general information which helps in performing the operations faster.
The information which is significant.
Care taken to avoid danger or mistakes.
The statement or event that warns of something or that serves as a cautionary
example.

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |5Copyright©2023 ZKTECO CO., LTD. All rights reserved.
Table of Contents
1 SAFETY INSTRUCTIONS ....................................................................................................................... 7
IMPORTANT SECURITY INSTRUCTIONS ...............................................................................................................................7
INSTALLATION CAUTIONS ...................................................................................................................................................8
2 OVERVIEW............................................................................................................................................ 9
SYSTEM INTRODUCTION ..................................................................................................................................................... 9
PACKAGE C ENCLOSURE INTRODUCTION ......................................................................................................................... 9
SYSTEM EQUIPMENT COMPOSITION ...............................................................................................................................10
TECHNICAL PARAMETERS .................................................................................................................................................11
LED INDICATORS DESCRIPTION ......................................................................................................................................12
3 TERMINAL INSTRUCTIONS ................................................................................................................ 13
4 WIRING DESCRIPTION ........................................................................................................................15
ELEVATOR CONTROLLER NETWORKING CABLING ..........................................................................................................15
CONNECTION POWER SUPPLY ........................................................................................................................................ 16
ETHERNET CONNECTION TO THE COMPUTER ................................................................................................................ 17
ELEVATOR CONTROL AND ELEVATOR BUTTON WIRING ............................................................................................... 18
MO, EMG, FIRE, TAMPER INTERFACE DESCRIPTION ................................................................................................19
WIRING OF EXPANSION BOARD ......................................................................................................................................21
INSTALLATION OF ELEVATOR MANAGEMENT SYSTEM ..................................................................................................22
ELEVATOR CONTROLLER SYSTEM POWER SUPPLY STRUCTURE ...................................................................................23
5 ELEVATOR CONTROL OPERATING INSTRUCTIONS ......................................................................... 24
CONNECT TO ZKBIO CVSECURITY SOFTWARE ..............................................................................................................24
5.1.1 LOGIN SOFTWARE ................................................................................................................................................ 24
5.1.2 ADD DEVICE ON THE SOFTWARE ........................................................................................................................25
5.1.3 SYNCHRONIZE ALL DATA TO DEVICES ...............................................................................................................26
5.1.4 ADD EXPANSION BOARD ON THE SOFTWARE ...................................................................................................27
5.1.5 ADD READER ON THE SOFTWARE .......................................................................................................................28
5.1.6 SET ELEVATOR CONTROL RULES ON SOFTWARE .............................................................................................. 30
USER VERIFICATION ON THE QR-600 SERIES READERS ...............................................................................................35
CONNECT TO ZKBIOSECURITY MOBILE APP ................................................................................................................. 35
5.3.1 MOBILE APP CONFIGURATION ............................................................................................................................35
5.3.2 LOGIN ....................................................................................................................................................................37
5.3.3 ENABLE THE DYNAMIC QR CODE ON THE SOFTWARE .....................................................................................39

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |6Copyright©2023 ZKTECO CO., LTD. All rights reserved.
5.3.4 VERIFICATION QR CODE ..................................................................................................................................... 40
6 COMMUNICATION CONNECTION ..................................................................................................... 41
ACCESS CONTROL NETWORKING WIRES AND WIRING .................................................................................................41
TCP/IP COMMUNICATION .............................................................................................................................................. 42
MODIFY THE IP ADDRESS ................................................................................................................................................ 43
7 OTHERS ............................................................................................................................................... 46
USB DISK UPGRADE ........................................................................................................................................................46
RESTORE FACTORY SETTINGS ..........................................................................................................................................46
APPENDIX 1 BUZZER, INDICATOR LIGHT PROMPT INSTRUCTIONS ..................................................47
APPENDIX 2 PRIVACY POLICY..............................................................................................................48
APPENDIX 3 ECO-FRIENDLY OPERATION ........................................................................................... 50

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |7Copyright©2023 ZKTECO CO., LTD. All rights reserved.
1Safety Instructions
Important Security Instructions
1. Before operating the equipment, please read and strictly follow all security and operation instructions.
Please keep the instructions in good condition for future reference.
2. Please use the accessories recommended by the manufacturer or delivered together with the
product. Any other related product is not recommended to be used as the alarm or monitoring
system (cameras, infrared detectors, smoke detectors, etc.). The alarm or monitoring system
should comply with the local applicable fire-prevention and security standards.
3. Do not place this equipment on any unstable table, tripod mount, supterminal or base to prevent
the equipment from falling and damages, and more undesirably causing severe personal injuries.
Therefore, it is important to install the equipment as instructed by the manufacturer.
4. All peripheral devices must be grounded.
5. No external connection wires can be exposed. All connections and idle wire ends must be
wrapped with insulating tapes to prevent accidental contact with exposed wires from damaging
the equipment.
6. Do not attempt to carry out unauthorized repair of the equipment. Disassembly or detachment is
likely to cause electric shock or other physical problems. All repair should be done by qualified
repair personnel.
7. In any of the following cases, disconnect the power supply from the equipment first and notify
qualified repair personnel for repair:
The power cord or connector is damaged;
Liquid leaks into or any objects fall into the equipment;
The equipment has got wet or exposed to bad weather (rain, snow, etc.);
If the equipment cannot work normally even though it is operated as instructed;
The equipment falls down or its performance changes obviously.
8. If it is necessary to replace a component, the repair personnel must use only the substitutes
specified by the manufacturer.
9. After the equipment is repaired, the repair personnel needs to conduct security inspection to
ensure the equipment works normally.
10. Operate the equipment with only the type of power supply indicated on the label. Contact the
operator for any uncertainty about the type of power supply.
Violation of any of the following cautions may result in personal injury or equipment malfunctions.
We assume no responsibility for any damage caused by mishandling that is beyond normal usage
defined in this product manual.
Before installation, switch off the external circuit (that supplies power to the system).
Before connecting the equipment to power supply, ensure the output voltage is within the specified
range.
Never connect the product to the power before completion of installation.

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |8Copyright©2023 ZKTECO CO., LTD. All rights reserved.
Installation Cautions
1. To protect the wiring from rats, all wires should be placed in pipes. It is recommended to use PVC
conduits or galvanized tubes. Although the control panel has a good anti-static, anti-lightning,
and anti-leakage design, it is important to ensure that the case of the control panel and the AC
ground wire are connected perfectly and the AC ground wire is grounded.
2. It is recommended not to plug and unplug connection terminals frequently when the system is
energized. Be sure to unplug the connection terminals before starting any relevant welding job.
3. Do not detach or replace any control panel chip without permission because unprofessional
operation may cause damage to the control panel.
4. It is recommended not to connect any other auxiliary devices without permission. All non-routine
operations must be confirmed with our engineers in advance.
5. A control panel should not share one power socket with any other large-current devices.
6. It is preferable to install card readers and buttons at a height of 55 inches to 59 inches (1.4m to
1.5m) above the ground, subject to proper adjustment according to customers’ usual practice.
7. It is advised to install the product in a place convenient for future maintenance, like a weak
electric well.
8. The exposed part of any connection terminal is strongly recommended not be longer than 0.16
inches (4mm). Professional clamping tools may be used to avoid short-circuit or communication
failure resulting from accidental contact with excessive exposed wires.
9. To save access control event records, exterminal data periodically from control panels.
10. Prepared countermeasures against unexpected power failure, like selecting power supply with
UPS.
11. If the RS485 reader is connected externally and shares the power supply with the device (The
control panel does not supterminal RS485 readers with fingerprint verification function), the
connection between the EXT RS485 terminal and the reader is recommended not to be longer
than 328 ft (100m). Otherwise, it is recommended to use a separate power supply for the reader.
12. The length of the connection between computer and elevator controller: RS485 communication is
less than 3937 ft (1200m). In order to make the communication more stable, it is recommended
to control within 2624 ft (800m). It is recommended to use the power supply delivered with the
system as the control panel power supply.
13. It is recommended to use the power supply delivered with the system as the control panel power
supply.
14. In a place with strong magnetic interference, galvanized steel pipes or shielded cables are recommended,
and proper grounding is required.

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |9Copyright©2023 ZKTECO CO., LTD. All rights reserved.
2Overview
System Introduction
The elevator control system is a digital management system that controls access to elevators for
personnels. This elevator control system introduced by ZKTeco mainly consists of the EC16 master
elevator controller, DEX16 floor expansion board, QR600 series reader and D147 card issuer and other
auxiliary equipment. Each elevator controller can be connected to up to seven floor expansion boards,
which can control up to 128 floors. After entering the elevator, users must swipe the card, QR code or
password inside the elevator to pass the authentication before they are authorized to press the
designated floor button and finally reach the corresponding floor.
Package C Enclosure Introduction
EC16 elevator master controller is a bare board, which can be installed and fixed to Package C enclosure, and
the DEX16 expansion board supports stacking and fixing on the master control board.
Figure 1-1 Package C Enclosure Appearance
No.
Description
1
Status Indicator (Includes PWR, COMM, RUN)
2
Keyhole
3
Wire Hole
4
Heat Dissipation Holes

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |10 Copyright©2023 ZKTECO CO., LTD. All rights reserved.
System Equipment Composition
The elevator controller system is composed of the following equipments:
Figure 1-2 System Equipment Appearance

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
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No.
Description
No.
Description
1
Floor Button Control Port
16
Power Input
2
Extend Port
17
Ethernet Interface (LAN1)
3
Wiegand
18
TCP/IP Reader Interface (LAN2)
4
RS-485
19
U disk interface
5
LED Indicator
20
Reset Button
6
Elevator Door Closing Button
21
Floor Button Control Port
7
Elevator Door Opening Button
22
DIP Switch
8
Alarm Output
23
RS-485 Input
9
Speaker
24
RS-485 Output
10
Voice
25
Touch Keypad & RFID Card Reading Area
11
LED Indicator Port
26
Flash
12
Tamper Switch
27
QR Code Collector
13
FIRE
28
USB Jack
14
Emergency Button
29
RFID Card Reading Area
15
Manual Button
30
LED Indicator
Technical Parameters
EC16 Elevator Controller
Controllable Floors
16 floors
Record Capacity
150,000
User Capacity
30,000
Power Supply
Adopt Package C enclosure
matching adapter
Face Capacity
30,000
PC Communication
TCP/IP
Card Capacity
30,000
Reader Communication
Wiegand, RS-485
Fingerprint
Capacity
30,000
Number of connectable
expansion boards
Up to 7 DEX16s can be
connected at the same time
Block list Capacity
500
Number of expandable
floors
Up to 128 floors
DEX16 Expansion Board
Controllable Floors
16 floors
Communication With
EC16
Wiegand, RS-485
Power Supply
12V DC, powered
by EC16

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |12 Copyright©2023 ZKTECO CO., LTD. All rights reserved.
LED Indicators Description
LED indicators on the EC16
When the EC16 elevator controller is powered on, the LED indicators under normal circumstances will
show the following.
Figure 1-3 LED indicator diagram of the elevator controller
POWER indicator (Red):
Solid Red LED indicates normal energization.
RUN indicator (Green):
Slowly flashing Green LED indicates normal working status of the system.
COMM indicator (Yellow):
Slowly flashing Yellow LED indicates data communication is in progress.
LED indicators on the Package C Enclosure
PWR indicator (Red):
Solid Red LED indicates normal energization.
COMM indicator (Yellow):
Slowly flashing Yellow LED indicates data communication is in progress.
RUN indicator (Green):
Slowly flashing Green LED indicates normal working status of the system.

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |13 Copyright©2023 ZKTECO CO., LTD. All rights reserved.
3Terminal Instructions
Figure 3-1 Terminal diagram of the elevator controller and the expansion board
The terminals are described as follows:
No.
Terminal
Number
Description
1
Floor Button
Control Port
16
Used to connect elevator buttons for floor selection control.
2
Extend Port
1
Expansion output for connecting DEX16 expansion board to expand floors.
3
Wiegand
2
Wiegand reader communication terminal. Used to connect Wiegand readers,
etc. And supports line interruption alarm message alerts.
4
RS-485
1
RS-485 reader communication terminal, used to connect RS-485 reader.
5
LED Indicator
1
Equipment operating status indicators, respectively, are power light (POWER),
operating status indicator (RUN) and communication indicator (COMM).
6
Elevator Door
Closing Button
1
Used to connect the door closing button on the elevator operation panel.
7
Elevator Door
Opening Button
1
Used to connect the door opening button on the elevator operation panel.
8
Alarm Output
1
Used to connect with the alarm.
9
Speaker
1
Used to extend the voice announcement function.
10
Voice
1
Used to connect the voice control magic box to realize voice contact-free
elevator ride.

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
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No.
Terminal
Number
Description
11
LED Indicator Port
1
Used to indicate the operating status of the system. Connect to the enclosure.
12
Tamper Switch
1
Used to connect to the tamper switch of the enclosure.
13
FIRE
1
It is used to connect the fire switch, after starting the fire button, all the keys of
the elevator cannot be lit normally.
14
Emergency
Button
1
In an emergency, when the emergency interface receives a short-circuit signal,
the elevator control will not control the elevator keys, and the equipment can
only be restored to the control state if it is powered off and restarted or set by
software.
15
Manual Button
1
When the manual interface receives a short-circuit signal, the elevator control
will not control the elevator keys, and the elevator will resume the control state
after release.
16
Power Input
1
12V power supply terminal, used to connect the Package C enclosure matching
adapter to power the elevator controller.
17
Ethernet Interface
(LAN1)
1
Used for equipment networking and remote control.
18
TCP/IP Reader
Interface (LAN2)
1
Used to connect TCP/IP multimodal intelligent collection terminal.
19
U Disk Interface
1
Mainly used for upgrading the elevator controller.
20
Reset Button
1
Long press 1 to 5 seconds for U disk upgrade, 5 to 10 seconds to restart the
controller, 10 seconds or more to restore factory settings.
21
Floor Button
Control Port
16
Used for connecting elevator extension floor buttons for floor selection control.
22
DIP Switch
1
Set the RS-485 address of the expansion board according to the current connection
order of the expansion board and follow the operation prompt next to it.
23
RS-485 Input
1
Used to connect the signal output terminal of the EC16 controller (i.e. Extend
Port) or the signal output terminal of the upper level DEX16.
24
RS-485 Output
1
Used for output when connecting to DEX16 expansion floor.
Recommended use of wires:
Interface
Wire specifications
Maximum transmission distance
(theoretical value)
Power Supply
18AWG*2PIN
1.5m
Wiegand
Adopt 6-core communication shielded wire
(RVVP 6*0.5mm) (6PIN, 8PIN, 10PIN for
different readers) to reduce interference in
the transmission process
100m
Floor Control
24AWG*2PIN
50m
Input
24AWG*2PIN
100m
RS-485
Adopt 4-core communication cable (RVVP
4*0.5mm)
Share power with control panel: 100m.
Use independent power supply (connect with
RS-485 signal interface only): 1000m.

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4Wiring Description
Elevator Controller Networking Cabling
Figure 4-1 Diagram of elevator controller networking cabling
Note: Make sure the power is turned off before wiring. Wiring in the energized state may cause serious
damage to the equipment.

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
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Connection Power Supply
This device uses the adapter matched with the Package C enclosure to supply power to the elevator
controller, providing a 12V power supply which takes into account the power consumption of the
elevator controller itself, the power consumption of up to seven DEX16 expansion boards and the
output power consumption of the RS-485 reader. The wiring is shown in the following diagram.
Figure 4-2 Power wiring diagram

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P a g e |17 Copyright©2023 ZKTECO CO., LTD. All rights reserved.
Ethernet Connection to the Computer
Connect the elevator controller and the computer software via Ethernet cable. The wiring is shown in
the following diagram.
Figure 4-3 Ethernet wiring diagram
Note:
1. IP addresses can cross network segments, but they must belong to the same subnet, and the gateway
and IP address must be in the same network segment.
2. Dual Ethernetinterfaces: the default IP address192.168.1.201 for the primaryNICand 192.168.2.202 for the
expansion NIC.
3. The IP address of the primary NIC can be set by yourself, and the network segment of the expansion NIC
must be 192.168.2.(1 to 253).

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
P a g e |18 Copyright©2023 ZKTECO CO., LTD. All rights reserved.
Elevator Control and Elevator Button Wiring
Elevator Button Wiring Description
Figure 4-4 Elevator button wiring schematic
Instruction:
Connect Signal Cable 1 to the NO terminal on the corresponding floor of the elevator logic controller. After
Signal Cable 2 is disconnected, COM and NC terminals are connected to the COM and NC terminals of the
corresponding floor respectively.
Wiring for swipe to select floor and direct floor selection
Figure 4-5 Swipe card to select the floor and direct selection of floor wiring diagram

EC16 Elevator Control Panel & DEX16 Elevator Floor Extension Board User Manual
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Instruction:
S1 and S2 switches are two relays (S1 relay is normally closed and S2 relay is normally open) of the elevator
control board respectively. S1 is disconnected after power on, and S1 is closed after swiping the layer
selection card, then the elevator button can be lit by pressing; S2 is closed after swiping the direct access
card, then the elevator button will be lit automatically.
MO, EMG, FIRE, TAMPER Interface Description
Figure 4-6 MO, EMG, FIRE, TAMPER interface wiring diagram
Instructions:
1. When the MO interface becomes a short circuit, the elevator controller will cancel the control function
of the floor button. At this time, the elevator buttons can be operated manually. The "manual" function
can be canceled by directly changing the MO interface from short circuit to broken circuit.
2. When the EMG interface becomes short circuit, the elevator controller will cancel the key control of
each floor. To cancel the "emergency" function, please log in ZKBio CVSecurity software, click
[Elevator] > [Elevator Device] > [Real-time Monitoring] > [Emergency interface recovery button].