01 - What is GuardLink?
Summary
TLDRGardlink is an innovative safety system that simplifies the process of retrieving diagnostic data from individual safety devices, enhancing system intelligence. It supports up to 32 devices, achieving Performance Level II safety category with M12 quick disconnect wiring for safety and simplicity. The system reduces wiring complexity and diagnostic time, allowing for remote reset, lock, and unlock commands. With up to 1,000 meters of link distance and support for both electromechanical and solid-state devices, Gardlink offers extensive flexibility and real-time data access, streamlining maintenance and improving safety.
Takeaways
- đ Gardlink is a system designed to simplify the connection and data retrieval from safety devices using M12 quick disconnect wiring.
- đĄïž It achieves a performance level II safety category and can support up to 32 devices, enhancing safety and diagnostics.
- đ Traditional safety systems often require extensive wiring and manual diagnostics, which can be time-consuming and prone to errors.
- đȘ Gardlink includes smart tabs and a master module that work together to provide advanced diagnostics and control over safety devices.
- đ The system uses a trunk line with smart tabs to connect devices, reducing the need for complex wiring and potential failure points.
- đĄ Diagnostic LEDs on each smart tab and the master module provide real-time status updates on the system's health.
- đ The Gardlink master module can send diagnostic data back to a PLC over an Ethernet module, enabling remote monitoring and control.
- đ The system supports remote reset, lock, and unlock commands over the network, offering flexibility in managing safety devices.
- đ Gardlink can cover significant distances, with up to a thousand meters for the main trunk line and 30 meters between devices.
- đ The protocol allows for remote resetting of safety devices without needing to cycle power to the entire system, improving efficiency.
- đ The system can support both electromechanical and solid-state output devices, providing versatility in device selection.
Q & A
What is Gard link and what does it offer in terms of safety devices and diagnostics?
-Gard link is a system designed to simplify the process of retrieving advanced diagnostic data from individual safety devices, making them 'smart'. It allows for up to 32 devices to be connected with a no-loss rating, achieving a performance level II safety category.
What is the advantage of using M12 quick disconnect QD wiring in Gard link?
-M12 quick disconnect QD wiring simplifies the connection process, making it safer and easier to manage. It also reduces the risk of loose connections, which can be a common issue with traditional wiring methods.
How does Gard link improve the diagnostic process compared to traditional safety systems?
-Gard link allows for real-time data retrieval from each device, reducing the need for manual checks with meters. This speeds up the diagnostic process and makes it easier to identify issues within the safety system.
What is the typical setup of a traditional safety system as described in the script?
-In a traditional safety system, multiple devices in the field are wired in series or back to a distribution block. Auxiliary contacts from each device are wired back to a standard PLC to get diagnostic data.
How does Gard link address the issue of faulty contacts in safety switches?
-Gard link's smart tabs and master module provide immediate feedback when a device like an e-stop or safety switch starts to malfunction. This allows for quicker identification and resolution of issues without the need for manual checks.
What is the 'trunk line' system in Gard link and how does it work?
-The trunk line system in Gard link is a main cable that runs out to which devices are connected using smart tabs. This setup allows for a more organized and efficient wiring layout, reducing the complexity and potential for errors.
What are the diagnostic features provided by the Gard link master module?
-The Gard link master module provides advanced diagnostics, including LED indicators for each smart tab to show the status of the devices and the link between them. It also has lights to indicate the overall system status.
How does Gard link support remote reset, lock, and unlock commands?
-Gard link supports remote reset, lock, and unlock commands over the network, allowing operators to control safety systems independently through an HMI interface without having to physically access each device.
What is the maximum link distance and device spacing supported by Gard link?
-Gard link supports a main trunk line up to a thousand meters in length, with up to 30 meters between devices and 10 meters from the tap to the device, providing great flexibility in system layout.
What types of safety devices can be used with Gard link?
-Gard link is compatible with a variety of generic safety devices, including electromechanical devices like door switches with Drac contacts, and solid-state output devices like light curtains and safety scanners.
How does Gard link protocol allow for remote resetting of devices without affecting the entire safety system?
-The Gard link protocol enables the power cycling of individual devices in the field remotely, allowing them to reset from a fault condition without needing to power down the entire safety system.
Outlines
đ Introduction to Guard Link Safety System
The Guard Link system is introduced as an innovative method for retrieving advanced diagnostic data from individual safety devices, enhancing safety and intelligence in industrial applications. It utilizes M12 quick disconnect (QD) wiring for ease of setup and maintenance, supporting up to Performance Level II safety category and accommodating up to 32 devices without loss of rating. Traditional safety systems often involve complex wiring and are time-consuming to diagnose issues, such as faulty contacts in safety switches. Guard Link simplifies this by reducing the need for extensive wiring and providing immediate feedback through its smart tabs and master module, which includes an Ethernet module for advanced diagnostics and control integration.
đ Advanced Features and Flexibility of Guard Link
The Guard Link system offers significant advantages over traditional hardwired setups, including support for diagnostics, remote reset, lock, and unlock commands over the network. It allows for real-time monitoring of each device and simplifies the process of troubleshooting by reducing the need for physical checks. The system supports up to a thousand meters of main trunk line and up to 30 meters between devices, with a 10-meter limit from the tap to the device, providing extensive coverage. It can also handle two main trunk lines from a single master module, enabling connectivity for up to 64 devices. The use of standardized M12 quick disconnects reduces maintenance issues and the potential for lost or misplaced wires. Furthermore, the Guard Link protocol allows for remote cycling of power to individual devices without affecting the entire safety system, offering a significant benefit in scenarios where machine downtime is undesirable.
Mindmap
Keywords
đĄGuard Link
đĄM12 Quick Disconnect (QD) Wiring
đĄPerformance Level II
đĄSafety System
đĄAuxiliary Contacts
đĄE-Stop
đĄGuard Link Master
đĄGSR Ethernet Module
đĄDiagnostics
đĄRemote Reset, Lock, and Unlock
đĄLink Distance
Highlights
Gard link is a method for retrieving advanced diagnostic data from individual safety devices, enhancing system intelligence.
It uses M12 quick disconnect QD wiring for safety and simplicity.
Achieves up to Performance Level II safety category and supports up to 32 devices.
Traditional safety systems involve multiple devices wired in series or back to a distribution block, increasing complexity.
Auxiliary contacts in safety switches can fail, causing safety systems not to reset, leading to time-consuming diagnostics.
Gard link reduces wiring and inputs to PLC, simplifying system diagnostics and reducing costs.
The system overview includes standard safety input devices such as door switches, light curtains, and safety scanners.
Guard link smart tabs and the guard link master are key components of the system, providing advanced diagnostics.
The guard link master is the size of a standard safety relay but serves as the brain of the system.
The GSR Ethernet module allows for advanced diagnostics to be sent back to the controller over Ethernet.
Diagnostic LED indicators on smart taps provide real-time status of individual devices.
The system supports remote reset, lock, and unlock commands over the network, enhancing operational flexibility.
Ethernet module has its own AOP, simplifying tag generation within the PLC controller.
Guard link system supports up to a thousand-meter link distance, offering great distance flexibility.
There can be up to 30 meters between devices and 10 meters from the tap to the device.
The system can have two main trunk lines off one master module, supporting up to 64 devices.
Devices include generic safety devices like electromechanical devices or OSS DS like light curtains and safety scanners.
Guard link protocol allows for remote device power cycling without affecting the entire safety system.
Transcripts
what is Gard link basically it is a way
for us to get safety devices and get to
the advanced diagnostic data out of
these individual safety devices again
that's where it becomes smart the other
thing it's very simple because it's all
m12 quick disconnect QD wiring it's safe
obviously we can achieve up to a
performance level II safety category and
then we can also have up to 32 devices
with this no lossless rating we'll talk
a little bit more in detail about that
what commonly happens today or in the
past is you'll have a safety system kind
of like picture down here in the bottom
right corner you'll have multiple
devices out there in the field they'll
be wired in series or wired back to a
distribution block each one of the
auxiliary contacts is wired back to your
standard PLC to get diagnostic data
what's going on with that switch what
commonly happens in the field is you
have an e-stop get depressed or set of
contacts on e stop or safety switch
start going bad those contacts won't be
made allowing your safety system to
reset your auxilary context say hey my
systems ready to go so you're constantly
out there with a meter trying to figure
out where the issue is going around the
Machine opening closing doors pressing e
stops which takes a lot of time to
diagnose what's going on with the system
so the other issue with it obviously if
you wire all those auxiliaries back to
get that increased feedback that's a lot
of wiring and things that has to take
place a lot of inputs to your PLC Gordon
link is a way to help us with all those
items and not have as much cost so just
kind of as a system overview looking at
it here this is a very simple system set
up within guard link we've got our
standard safety input devices these are
our standard everyday safety input
devices such as door switches Aesop's
solenoid locking switches they can be
light curtains can be a safety scanner
kind of where the magic happens with
this system is within the guard link
smart tabs themselves and then also with
the guard link master one thing to keep
in mind with the guard link it basically
is a trunk line system that goes out and
you tee off your devices off of it with
these smart tabs and then at the end of
the line you just have a terminating
plug
the other part of the system that I said
is kind of the where the magic happens
is within the guard link master is the
size of a standard safety relay looks a
lot like a standard safety GS our safety
relay but again this is where the brains
of the system take place and then lastly
there will highlight the that's the GSR
ethernet module this is the ethernet
module that goes with our next
generation series safety relays same
standard Ethernet module so that you can
get to advanced diagnostics out of the
guard link master module and obviously
all this data is going to be going back
to your controller over Ethernet and so
that we can display it on the HMI panel
view or into your business system so
looking at our our diagnostic standpoint
from the system we have our existing
device LED indicators those have been
the same indicators that we've had in
the systems in the past from a
diagnostic standpoint but we've also
added is on the each one of the smart
taps we have independent LEDs to tell us
what's going on with the devices and
then also an LED to tell us that our
link is good between all the taps and
devices so it tells us this issue were
there from that standpoint so you can
quickly look if my machine operators
walking around maintenance person see if
their system is good or any issues from
that standpoint we also have a series
lights on the master module itself to
tell us what's going on with the system
this is the example what happens when my
first door door opens up you can see
there I dropped out the light for that
device my link is no longer good between
all the devices and my other ones are
flashing green telling me the system is
still those devices are still good
but there's a problem in the system
somewhere if one device is faulted and
so all that diagnostic data goes back to
a master it goes back to over the
Ethernet module to my PLC so you can see
our systems good again same thing
happens if someone were to press the
last device in a circuit which was this
would be the e-stop example again giving
us notification back to our HMI business
system hey this device was pressed so
again we mentioned we were able to keep
the guard link ple is ready for guard
link ple or category four so again it's
a nice way to get multiple devices
wiring
he's diving into the features a little
bit deeper
the Garlin system itself over hardwiring
and things also supports the Diagnostics
we mentioned but it also supports the
remote reset lock and unlock command
over the network so if I go to my HDMI I
can hit my reset button on my HMI reset
my safety system unlock or lock any door
independently so I don't have to unlock
them all at once or lock back one at a
time if I wanted to I can set that up
however I want within my processor again
Ethernet module itself has its own AOP
so all our tags are generated for us
within the programmer or within our PLC
and controller but getting into the
guard link system we have up to a
thousand meter link distance so our main
trunk line can be up to a thousand
meters you can see there so we've got
great distance flexibility up to 30
meters between devices and then 10
meters from the tap to the device so we
can cover a pretty broad area the other
thing that's not shown here is we can
actually have two of these main trunk
lines off of one master module and
that's where you see down there listed
at the bottom it says you'll guard link
enabled safety relay that's what it
means by that we can have two of these
trunk lines coming off of it so that's
64 devices off of one master as far as
the devices go again it's just generic
safety devices like electromechanical
devices or OSS DS when I talk about OSS
these that's my light curtains my safety
scanners since the guard door switches
anything with a solid-state output out
of it electromechanical is pretty
self-explanatory it's your East ops your
older door switches and things with Drac
contacts inside of those again we're
able to look at real time data from each
individual device we talked about how
they were wired in the past you had on
each hardwired back this again gives it
to us over the network so we don't have
to take all those those wiring the the
issue of having multiple wiring points
causing being failure points again all
the products are standardized on m12
quick disconnect so you alleviate the
problems of a maintenance guy or someone
losing a wire
nation loose landing it's wrong spot and
again also we can do the remote reset
lock and unlock and follow preset over
Ethernet many times you have a safety
device out in the field if it faults or
goes into a fault condition you actually
have to cycle power to the device to
reset it from a hard fault
the guard link protocol system allows
you to cycle power to that device out in
the field without cycling power to your
whole safety system so that may be a
added benefit in some cases where you
don't want to power our machine down
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