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Collection of FAQs concerning the SIG300 IO-Link Master
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SIG300
Table of Contents
SIG300 - FAQ
Top 5 Questions
Question
Answer
What is a class A port and a class B port? What's the difference?
Class port types are defined by IO-Link specifications. Generally speaking class port "B" is able to deliver up until 4A. Class port "A", is able to deliver till 2A.
The SIG300 provides 2 x Class B Ports and 6 x Class A Ports.
For more information, follow SIA web training and dedicated video.
Which IP-address does the SIG300 use to connect to the WebUI?
Yes, the power line can be daisy chained with up to 16A current
Can I daisy chain data?
Yes, the fieldbus variants can be daisy chained on the dataline.
The REST variant, although it has two dedicated Ethernet ports, daisy chaining is not possible.
Basic features
Max current out?
16A global, 4A port class B type, 2A port class A type.
How many SIG300 can I connect in a power daisy chain?
Suppose that it is referred to "power" daisy chain, the number of SIG300 connected is depending on the number and consumed power of the connected sensors/actuators. Limitation is linked to the max 16A delivered by the first device of the chain.
Can I connect different masters in the same daisy chain, like a SIG300, other masters and a WIM?
Yes, this is possible for the power daisy chaining.
For data daisy chaining it requires to have the same "protocol" on the devices such as PROFINET or Ethernet/IP or EtherCAT.
How many IO-Link devices can I connect to the SIG300?
Each port has an IO-Link pin (pin number "4"), therefore 8 devices can be directly connected using IO-Link communication.
How many I/O devices can I connect to the SIG300?
Max. number of I/O devices: 2 x 4 port class A + 3 x 2 port class A* + 1 x 2 port class B = total 16 I/O devices *port class A number "5" and "6" can support on "pin 5" an additional I/O device
Can I connect NPN sensors to the SIG300 ports?
Yes
To which ports can I connect two standard (input or output) sensors?
To ports 1-6
Why does the SIG300 have 16 DI/DO? Which port has how many DI/DO?
Port S1-S4 each provide 2 DI/DO.
Port S5-6 each provide 3 DI/DO.
Port S7-S8 each provide 1 DI/DO.
Can I upload IODDs of devices from other brands in the SIG300?
Yes, if the devices are IO-Link standard compatible.
How to use logic editor with IODD devices?
Once an IODD file is uploaded to the SIG300 and is assigned to the connected IO Link device, the related data of the IO Link device will be interpreted with the support of the IODD and shown already interpreted in the logic editor.
After changing settings of devices, shall I reboot the SIG300?
No, the settings will be saved immediately
How do I perform a factory reset?
Open the webUI of your connected SIG300. Login at user level „Service“ with the password „servicelevel“. Select the three dots at the top right corner. select „Device“ and „Reset to factory settings“.
Which user profiles are possible in the SIG300?
There are only 3 standard profiles available which are: Operator, Maintenance, Service.
How can I manage security in the SIG300?
Through the access restriction page inside the WebUI
PLC connection
How can I integrate the SIG300 into the PLC?
See trainings in the SIA Portal and examples/knowledge articles in the SupportPortal.
As well related videos in social media will be published.
How can I find/set IP address in Ethernet/IP and EtherCAT versions?
For Ethernet/IP either through BootP. For EtherCat via Ethernet-Over-EtherCat (EoE). For both: connecting via USB-C cable and changing the IP-Adress Mode to the desired one in the WebUI
IIoT features
Does the SIG300 have an Ethernet switch?
Yes, for the REST variant. For the fieldbus variants, the two ethernet ports are setup as for daisy chaining
Are there trainings available for how to "connect" and use the IIOT interfaces?
Yes, additionally to tons of generic IIOT knowledge in the internet, we also providing related videos how to specifically connect with the IIOT interface of the SIG300.
What is the default ip address used in USB connection
How to visualize the Logic Editor blocks values? How to check logic created in Logic Editor
Via the REST interface output connected internally to the logic-editor
How to turn on outputs on the port via PLC ( Allen Bradley and Siemens) ?
To turn on outputs on the port via PLC, it requires to follow the specific steps of the PLC and fieldbus.
What are the ISDU’s and how to use them?
ISDU is also called service data. They come in two variants. Read only, or Read/Write. They can be changed through the WebUI after uploading the IODD of the device (see basic training) or through the different communication channels (see advanced trainings)
Can you change a Type A port to Type B port on SIG300 ?
No
What is the difference between Restore and Backup functions ? This topic is critical. The concept is clear but even in advance training there was not a clear explanation on how they work!
Backup saves the parameters, that can be restored with the Restore function if necessary.
The backup and restore functionality is defined as by the IO Link specification. At the same time the SIG300 as IO Link master provides also a function to "safe" the configuration of the master itself and restore it on the same SIG300 or other SIG300 again.
Do I need to upload IODD files to the SIG300 or can I directly configure the sensors via PLC ?
It is not needed to upload IODD files on SIG300 to configure the sensors with the PLC.
What is the maximum current output for SIG300 ?
(see above)
If I connect output devices on all 8 ports , will I get 2Amps current on each port ?
Considering max 16A, maybe a little bit less than 2 Amps (on all ports on a specific port) because SIG300 absorve itself power.
Is there an isolation barrier between Type A and Type B ports ?
The Class B port provide a galvanic isolation path via the Ua powerline as per definition of the class B port specification.
What are our competitives features for new IO-Link Master
Can someone use Class B ports also as Class A ports?
The main difference between Class A and Class B ports. is as followed. The pin 2 in Class A port is DI/DO/DQ, while in Class B port the pin is static +24V.
This tutorial covers:
Powering up and connecting the SIG300.
Configuring the SIG300 and uploading IODD files.
Accessing sensor data via the SIG300 web UI.
Retrieving sensor data using a simple browser call.
