Hi, >a 200 W in-line resistor assembly Of course this should be 200 Ohms and not 200W (would be pretty big). ;-) best regards - Marcel Sieling Systems Technologies FOXBORO Deutschland GmbH Heerdter Lohweg 53 - 55 40549 Duesseldorf Tel.: +49 (0)211 5966-171 Fax: +49 (0)211 5966-104 Mobile: +49 (0)172 2673077 E-Mail: [EMAIL PROTECTED] http://www.foxboro-deutschland.de Private Home: http://www.powerslider.de > -----Urspr�ngliche Nachricht----- > Von: Freddy Why [SMTP:[EMAIL PROTECTED]] > Gesendet am: Freitag, 16. M�rz 2001 07:56 > An: Foxboro DCS Mail List > Betreff: RE: Drop resistor on analog input cards > > Corey, > > Attached is a helpful hint regarding the use of Hart > Communicators > With FBM01/05. > > HH#: HH956 > IA INFO: mjc0000 > File: Solaris/NT/Venix Release: 4.2.x and up > Date: Sep 18, 2000 > Subject: M275 HART Communicator interfacing with FBM01/FBM05 > > Source: TAC Problem > > Description: The M275 HART Communicator not working on > FBM01/FBM05 loops. > Solution: At each of the input channels placing a 1.0uF, > 50Vdc, non-polarized ceramic disk capacitor > (H0110CW or equivalent) across the "+P" and "-" terminals at > the FBM01/FBM05's termination > cable will correct the problem. Note: To limit the energy > that can be discharged to the field, > it is critical that a resistor is connected between the side > of the capacitor connected to the "+P" terminal > of the Termination Cable and the field. When the FBM01/FBM05 > is connected to an Intelligent Transmitter, > a 200 W in-line resistor assembly (P0902VY) is required in > the loop and is intended to be connected at the FBM's > Termination Cable's terminals. This in-line resistor can > serve as the energy-limiting device when the 1.0uF > capacitor is installed at the FBM's Termination Cable. The > 200 W resistor must be installed in the same > enclosure as the FBM01/FBM05. > > Regards, > > > Freddy Why > > AFH Devers - Engineering Services South Africa > A division of Protea Data Systems > Email Address: [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > Website: http://www.protea.co.za <http://www.protea.co.za> > > Telephone Number: > (+27) (11) 719-5750 (Direct) > (+27) (11) 719-5700 (Switchboard) > (+27) (82) 7747845 (Mobile) > (+27) (11) 887-8757 (Fax) > > Address: > 26 Sixth Street, Wynberg, Sandton > P.O.Box 707, Bramley, 2018 > > The information transmitted is intended only for the person or entity to > which it is addressed and may contain confidential and/or privileged > material. Any review, retransmission, dissemination or other use of, or > taking of any action in reliance upon, this information by persons or > entities other than the intended recipient is prohibited. If you > received > this in error, please contact the sender and delete the material from any > computer. > > > > -----Original Message----- > From: Corey R Clingo > [SMTP:[EMAIL PROTECTED]] > Sent: Thursday, March 15, 2001 9:24 PM > To: Foxboro DCS Mail List > Subject: Drop resistor on analog > input cards > > Does anyone know if I/A analog input cards (FBM01/04 > in my case) can be had with > 250-ohm dropping resistors? My meter tells me the > ones we have are 50-ohm, and > most HART handhelds we've used require 250-ohm loop > resistance to function > properly. > > TIA, > > Corey Clingo > Sr. Engineer > BASF Corp. > > > > > > ----------------------------------------------------------------------- > This list is neither sponsored nor endorsed by the > Foxboro Company. All > postings from this list are the work of list > subscribers and no warranty > is made or implied as to the accuracy of any > information disseminated > through this medium. By subscribing to this list you > agree to hold the > list sponsor(s) blameless for any and all mishaps > which might occur due to > your application of information received from this > mailing list. > > To be removed from this list, send mail to > [EMAIL PROTECTED] > with "unsubscribe foxboro" in the Subject. Or, send > any mail to > [EMAIL PROTECTED] > > ----------------------------------------------------------------------- > This list is neither sponsored nor endorsed by the Foxboro Company. All > postings from this list are the work of list subscribers and no warranty > is made or implied as to the accuracy of any information disseminated > through this medium. By subscribing to this list you agree to hold the > list sponsor(s) blameless for any and all mishaps which might occur due to > > your application of information received from this mailing list. > > To be removed from this list, send mail to > [EMAIL PROTECTED] > with "unsubscribe foxboro" in the Subject. 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