2410

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Model 2410

Model 2410 is a compact open-frame module that interfaces 48 general-purpose TTL/CMOS digital input/output (DIO) signals to Ethernet. It features edge detection, PWM output mode and other functions that offload work from the host computer in measurement and control applications.

Contents

Telnet

Timeouts

I disabled the 2410 communication watchdog timer but the connection still times out after 5 minutes. Why is this happening?

The 2410's communication watchdog is disabled by sending a wto 0 command. However, most telnet clients also have their own inactivity timer, which is set to a default interval (typically 5 minutes). Consequently, the telnet client will independently close the connection when the session is idle for longer than its own timer interval. To resolve this, you must reconfigure your telnet client to use a different interval.

Remote echo

The 2410 seems to be retransmitting every TCP packet. Why is this happening?

By default, the 2410 echoes all incoming data. To turn off the remote echo function, have your telnet client issue an IAC DONT ECHO command to the 2410.

Command line functions

Where can I find information about the 2410's telnet commands?

For detailed information about telnet commands, please see Sensoray Model 2410 Command Line Protocol.

If you are manually controlling a 2410 via telnet and you just need a quick list of available commands, type 'help' at the shell prompt and hit return. When you do this you will see something like the following:

2410 telnet help.png

For more specific information about a particular command, type 'help <command>' and hit enter. For example, for information about the wdo (write digital outputs) command, type 'help wdo'.

DIO wiring

2410TA

Model 2410TA is a compact breakout board that plugs directly onto a 2410 module. It has two spring-activated terminals per DIO, which accept 24-gauge to 16-gauge wires. For each DIO, the silkscreen legend indicates the DIO number and its "+" and "-" terminals. The "+" terminal conveys +5 VDC and the "-" terminal conveys the active-low DIO signal.

To connect a model 2410TA to a load:

  • Route the "+" terminal to the load's positive input and route the "-" terminal to the load's negative input.
  • The load's positive and negative inputs should only connect to the 2410TA "+" and "-" terminals; they must not connect to any other circuit nets in your system.
  • The load must not draw more than 24 mA (input resistance must be > 208 Ω).
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