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6221/2182A error 809 / -241

6220, 6221 Current Sources
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physknoll
Posts: 4
Joined: April 2nd, 2014, 8:58 am
Country: United States

6221/2182A error 809 / -241

Post by physknoll » April 3rd, 2014, 8:38 am

I recently purchased the 6221/2182A current source nano-volt meter for delta mode measurement and to also be controlled through Labview and GPIB. I am having difficulty getting them to work as stand alone. I have connected the RS-232 and trigger link cable as described in the manual and on this video....

http://www.keithley.com/centralized_dis ... etid=56994

I have assured that both units are in RS-232, 9.2k baud, Flow = none, and TX = CR. When I press the "Delta" button on the current source I get error 809 "Not allowed with RS-232"

I have also tried connecting via GPIB and placing both units in GPIB communication. This gives me error -241 "Missing Hardware". Is there something I am missing??? Thank you for any help!

physknoll
Posts: 4
Joined: April 2nd, 2014, 8:58 am
Country: United States

Re: 6221/2182A error 809 / -241

Post by physknoll » April 3rd, 2014, 12:23 pm

Figured it out! Followed these steps in another thread...
Delta Mode Basic Configuration 1.Connect 2182A and 6221 together with NULL MODEM serial cable.
2.Connect 2182A and 6221 togerther with trigger link cable.
3.Set 2182A to RS-232 mode (19.2k BAUD, Flow is XonXoff, Terminator is CR).
4.Set 6221 to GPIB mode.
5.Press DELTA on 6221 and it should be in Delta mode.
I did not have the 6221 in GPIB mode! This is kind of confusing as you would think both units need to be in the same communication mode... but I see that this mode is for my computer to communicate!

arunmanchekar
Posts: 1
Joined: April 18th, 2017, 12:31 am
Country: India

Re: 6221/2182A error 809 / -241

Post by arunmanchekar » April 18th, 2017, 2:32 am

Somebody Please help me with error code -113 on Keithley 6221 current source

yassine
Posts: 5
Joined: June 8th, 2017, 6:22 am
Country: Germany

Re: 6221/2182A error 809 / -241

Post by yassine » June 8th, 2017, 7:54 am

physknoll wrote:
April 3rd, 2014, 12:23 pm
Figured it out! Followed these steps in another thread...
Delta Mode Basic Configuration 1.Connect 2182A and 6221 together with NULL MODEM serial cable.
2.Connect 2182A and 6221 togerther with trigger link cable.
3.Set 2182A to RS-232 mode (19.2k BAUD, Flow is XonXoff, Terminator is CR).
4.Set 6221 to GPIB mode.
5.Press DELTA on 6221 and it should be in Delta mode.
I did not have the 6221 in GPIB mode! This is kind of confusing as you would think both units need to be in the same communication mode... but I see that this mode is for my computer to communicate!
I have exactly the same problem. But the proposed solution does not help me any further. If I am in the GBIP mode I get the error message: "error -241 Hardware Missing". If I am in the RS-232 mode so I get the error message: "error +809 Not
Allowed with RS-232".
Any further tips or detailed approaches?
Thank you for any help!

Andrea C
Keithley Applications
Keithley Applications
Posts: 1263
Joined: October 15th, 2010, 10:35 am
Country: United States
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Re: 6221/2182A error 809 / -241

Post by Andrea C » June 11th, 2017, 5:07 am

The 809 error is "Not Allowed with RS-232." Basically, this is happening when trying to do a differential conductance, delta mode, or any other measurement requiring the use of the RS-232 port to talk with a 2182A. After you set up RS-232 on the 622X to 19.2k baud, CR Tx Term, and None for flow control, you must set the 622X back to GPIB or Ethernet communications before performing the differential conductance, delta mode, or pulse delta measurement otherwise you'll receive the +809 error.

yassine
Posts: 5
Joined: June 8th, 2017, 6:22 am
Country: Germany

Re: 6221/2182A error 809 / -241

Post by yassine » June 13th, 2017, 5:37 am

Hello,
The problem is solved.
In fact, my error was that my RS-232 cable was a straight-through cable. However, one must use a RS-232 cable of the type NULL MODEM. Since the two cables look exactly the same, I do not notice that.
The Dalta mode now works perfectly.

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