OME-DB-889D User’s Manual

OME-DB-889D MULTIPLEXER BOARD	2
1. FUNCTION DESCRIPTION	2
1.1 FEATURES	2
1.2 APPLICATIONS	2
1.3 SPECIFICATION	2
2. INSTALLING	4
2.1 LAYOUT	4
2.2 JUMPER 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 PIN ASSIGNMENT	8
3 ANALOG INPUT & GAIN SETTING	10
3.1 INPUT CHANNEL SELECTION	10
3.2 GAIN SETTING	11
3.3. THE THERMOCOUPLE INPUT	12
3.3.1 Voltage - TO - Temperature Conversion	13
3.3 CJC OUTPUT	14
4 SIGNAL CONNECTION	15
4.1 FLOATING SIGNAL CONNECTION	15
4.2 NON-FLOATINGSIGNAL SOURCE	16
4.3 CASCADING OME-DB-889D	17
4.4 OPEN THERMOCOUPLE DETECTION	18
4.5BLOCK DIAGRAM	19
5 PROGRAMMING	20
5.1 USING OME-A-822PGL	20
5.3 EXAMPLE PROGRAM	21
6. CALIBRATION	23
6.1 CALIBRATION VR DESCRIPTION	23
6.2 CALIBRATION STEPS	23