Omega Speaker Systems OME-DB-889D - Manual (Page 3)

OME-DB-889D MULTIPLEXER BOARD .........................................................................................2
1. FUNCTION DESCRIPTION............................................................................................................2
1.1 F EATURES ........................................................................................................................................2
1.2 A PPLICATIONS .................................................................................................................................2
1.3 S PECIFICATION .................................................................................................................................2
2. INSTALLING.....................................................................................................................................4
2.1 L AYOUT ...........................................................................................................................................4
2.2 J UMPER SETUP ..................................................................................................................................5
2.2.1 JP0 ~ JP15 Analog Input R/C Filter ........................................................................................5
2.2.2 JP16 Analog Output Channel Jumper .....................................................................................5
2.2.3 JP19 Internal / External Power selection ................................................................................6
2.2.4 JP18 Local / Remote Gain control ........................................................................................6
2.3 P IN A SSIGNMENT .............................................................................................................................8
3 ANALOG INPUT & GAIN SETTING............................................................................................10
3.1 I NPUT C HANNEL S ELECTION ..........................................................................................................10
3.2 G AIN S ETTING ................................................................................................................................11
3.3. T HE T HERMOCOUPLE I NPUT .........................................................................................................12
3.3.1 Voltage - TO - Temperature Conversion................................................................................13
3.3 CJC O UTPUT ..................................................................................................................................14
4 SIGNAL CONNECTION ..............................................................................................................15
4.1 F LOATING S IGNAL C ONNECTION ...................................................................................................15
4.2 N ON -F LOATING S IGNAL S OURCE ...................................................................................................16
4.3 C ASCADING OME-DB-889D.........................................................................................................17
4.4 O PEN T HERMOCOUPLE D ETECTION ................................................................................................18
4.5B LOCK D IAGRAM ...........................................................................................................................19
5 PROGRAMMING ............................................................................................................................20
5.1 U SING OME-A-822PGL ...............................................................................................................20
5.3 E XAMPLE P ROGRAM ......................................................................................................................21
6. CALIBRATION ...............................................................................................................................23
6.1 C ALIBRATION VR D ESCRIPTION ....................................................................................................23
6.2 C ALIBRATION S TEPS ......................................................................................................................23
OME-DB-889D User’s Manual 1