How to setup RTD(PT100) with SCXI1121

[Nok]

Hello,
I'm new with DAQ. I have SCXI-1000, SCXI-1121(amplifier) and terminal block (SCXI-1328). I want to connect with PT100 (4-wire). My question is ;
1) I can use the default setting on SCXI-1121 or have to set sth special (now at voltage 3.333V Excitation level).
2) for the 4-wire connection I can connect the wire directly to the Screw Terminals ? or I have to connect some resister ( to make temp compensation, RL or balance bridge with RL).

Thank your very much for anybody's help.

[Sarah Thompson]

Nok,
Here are some helpful documents to help you on your way.
1. KnowledgeBase: How Do I Connect an RTD to an SCXI-1581, SCXI-1121 or SCXI-1122 Module? http://digital.ni.com/public.nsf/websearch/6AC6ADE6D5F414A486256B12004CCBC0?OpenDocument
2. Tutorial: http://zone.ni.com/devzone/conceptd.nsf/webmain/D9BAA2AA872A6B5F86256D730079E3E6?opendocument
3. Tutorial: http://zone.ni.com/devzone/conceptd.nsf/webmain/E3DFB7CDBB528128862568650069A29E?opendocument

Hope these help! Reply back if you have specific questions about any of these resources.

[Nok]

Thanks a lot Sarah,

I have 1 question about Tutorial number 3 (http://zone.ni.com/devzone/conceptd.nsf/webmain/E3DFB7CDBB528128862568650069A29E?opendocument)

It said that the recommended Terminal block is 1320 but I use 1328. It will have some problem ? or have some effect about the accuracy ?

Thank for ur resources. It is helpfull for me.

[Sarah Thompson]

Both the 1320 and 1328 are compatible with the 1121. The only difference is that the 1328 provides better accuracy for thermocouple applications - not RTDs. Both will be very accurate.