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Rev. 1.0
7/31/2019
SSDC-R/C/IP Hardware Manual
From the SW1 to SWE, you can redefine the IP address by StepSERVO Quick Tuner software. SW0 fixed address
“10.10.10.10”, it is a recovery address. If someone were to change the setting and not write it down or tell anyone then you
will not be able to communicate with your drive. The only way to “recover” it is to apply power to the drive with the network
cable unplugged.
One of the great features of Ethernet is the ability for many applications to share the network at the same time. Ports are
used to direct traffic to the right application once it gets to the right IP address. The UDP eSCL port in our drives is 7775. To
send and receive commands using TCP, use port number 7776. You’ll need to know this when you begin to write your own
application. You will also need to choose an open (unused) port number for your application. Our drive doesn’t care what
that is; when the first command is sent to the drive, the drive will make note of the IP address and port number from which it
originated and direct any responses there. The drive will also refuse any traffic from other IP addresses that is headed for the
eSCL port. The first application to talk to a drive “owns” the drive. This lock is only reset when the drive powers down.
One final note: Ethernet communication can use one or both of two “transport protocols”: UDP and TCP. eSCL commands
can be sent and received using either protocol. UDP is simpler and more efficient than TCP, but TCP is more reliable on large
or very busy networks where UDP packets might occasionally be dropped.
Option 1: Connect a Drive to Your Local Area Network
If you have a spare port on a switch or router and if you are able to set your drive to an IP address that is compatible with
your network, and not used by anything else, this is a simple way to get connected. This technique also allows you to connect
multiple drives to your PC. If you are on a corporate network, please check with your system administrator before connecting
anything new to the network. He or she should be able assign you a suitable address and help you get going.
If the default address is not acceptable for you network, you can enter a new IP address using StepSERVO Quick Tuner. If your
PC address is not in 192.168.1. subnet, you will have to change your subnet mask to 255.255.0.0 in order to talk to your
drive. To change your subnet mask:
1. On Windows XP, right click on “My Network Places” and select properties. On Windows 7, click Computer. Scroll down the
left pane until you see “Network”. Right click and select properties. Select “Change adapter settings”
2. You should see an icon for your network interface card (NIC). Right click and select properties.
3. Scroll down until you see “Internet Properties (TCP/IP)”. Select this item and click the Properties button. On Windows 7
and Vista, look for “(TCP/IPv4)”
4. If the option “Obtain an IP address automatically” is selected, your PC is getting an IP address and a subnet mask from the
DHCP server. Please cancel this dialog.
5. If the option “Use the following IP address” is selected, life is good. Change the subnet mask to “255.255.0.0” and click
OK.
