Curtis Instruments 1232, Manual, Page: 25 / 133

#URTIS-ANUAL
/3
ˆ).34!,,!4)/.7)2).'
)/3IGNAL3PECIlCATIONS
#OMMUNICATIONSPORTS
3EPARATE#!.ANDSERIALPORTSPROVIDECOMPLETECOMMUNICATIONSANDPROGRAM
MINGCAPABILITYFORALLUSERAVAILABLECONTROLLERINFORMATION
4HE#URTISHANDHELDPROGRAMMERPLUGSINTOACONNECTORWIREDTO
PINSANDALONGWITHGROUNDPIN ANDTHE6POWERSUPPLYPIN
SEEWIRINGDIAGRAM&IGURE4HE#URTIS-ODELDISPLAYCANPLUGINTO
THESAMEPINCONNECTOR
7IRINGTHE#!.4ERM(AND#!.4ERM,PINSTOGETHERPROVIDESALOCAL
#!.TERMINATIONOF
Ω
7KEEPTHELENGTHOFTHESEWIRESSHORT#!.
4ERM(AND#!.4ERM,SHOULDNEVERBECONNECTEDTOANYEXTERNALWIRING
#/--5.)#!4)/.30/2430%#)&)#!4)/.3
3500/24%$
02/4%#4%$ %3$
3)'.!, .!-% 0). 02/4/#/, $%6)#%3
$!4! 2!4% 6/,4!'% 4/,%2!.#%
#!.( #!.OPEN UPTOKBPS 6TO ÒK6AIR
#!., ./$%3 -AX66 DISCHARGE
OTHERBIT WITH6
IDENTIlERlELD DIFFERENTIALLY
#!.PROTOCOLS
#!.4ERM(
NOCONNECTION
ÒK6AIR
#!.4ERM,
TOEXTERNALWIRING
DISCHARGE
3ERIAL48 #URTIS$ISPLAY ASREQUIRED TO6 ÒK6AIR
3ERIAL28 (ANDHELD TOKBPS DISCHARGE
0ROGRAMMER
0#0ROGRAM
MING3TATION
%NCODERINPUTS
4WOCONTROLLINESAREINTERNALLYCONlGUREDTOREADAQUADRATURETYPEPOSITION
ENCODER4HE ENCODER IS TYPICALLY POWERED FROM THE 6 SUPPLY PIN OR
6SUPPLYPIN BUTCANBEPOWEREDFROMANYEXTERNALSUPPLYFROM6
UPTO" ASLONGASTHELOGICTHRESHOLDANDDIFFERENTIALVOLTAGEREQUIREMENTS
AREMET
%.#/$%2).05430%#)&)#!4)/.3
,/')#
).054 -!8 02/4%#4%$ %3$
3)'.!, .!-% 0). 4(2%3(/,$3
)-0%$!.#% &2%1 6/,4!'% 4/,%2!.#%
%NCODER! 2ISINGEDGE
Ω
K(Z 6TO ÒK6AIR
%NCODER" 6MAX INTERNAL -AX66 DISCHARGE
&ALLINGEDGE PULLUP WITH6
6MIN TO6 DIFFERENTIALLY