PT300, Service Manual
Rev B, October, 2000
3
Low batt indicator: ......................................................................................................................................23
Power down shutoff: ....................................................................................................................................23
SIO (totalizing):...........................................................................................................................................24
Load Cells: ..................................................................................................................................................26
PROCEDURES ...................................................................................................................................................27
L
OADING PADS
&
BLOCKS
..................................................................................................................................27
C
ALIBRATE SPAN
...............................................................................................................................................27
Calibration ..................................................................................................................................................27
R
EMOVE AND REPLACE MAIN CIRCUIT BOARD
......................................................................................................29
Disassembly.................................................................................................................................................29
Assembly .....................................................................................................................................................29
R
EMOVE AND REPLACE LOAD CELL
.....................................................................................................................30
Disassembly.................................................................................................................................................30
Assembly .....................................................................................................................................................31
C
HECK FRONT
/
BACK LOAD CELL BALANCE
..........................................................................................................31
U
NPACKING AND
I
NSTALLATION
........................................................................................................................34
U
SE OF A LOAD CELL SIMULATOR
........................................................................................................................34
C
OMPLETE LIST OF REQUIRED TOOLS AND MATERIALS
.........................................................................................34
Spare parts list ............................................................................................................................................34
Connector pinouts .......................................................................................................................................36
T
RANSMIT
D
ATA FORMAT
..................................................................................................................................36
PT300 M
AIN
C
IRCUIT
B
OARD
............................................................................................................................37
P
ARTS
L
IST
.......................................................................................................................................................37
PT300 SUMMING CIRCUIT BOARD PARTS LIST .......................................................................................39
APPENDIX A......................................................................................................................................................40
APPENDIX B ......................................................................................................................................................44
S
CHEMATICS
.....................................................................................................................................................44
T
OTALIZING CABLE
...........................................................................................................................................47
C
HARGING
C
ABLE
.............................................................................................................................................48
I
NTERNAL
C
ABLE
A
SSEMBLY
.............................................................................................................................50
PARTS.................................................................................................................................................................51
HOW TO REACH INTERCOMP SERVICE ...................................................................................................52
Summary of Contents for PT300
Page 1: ...I PT300 Service Manual A A Scales 1 813 994 3190 Fax 509 355 3498 www stainlessscales com...
Page 45: ...PT300 Service Manual Rev B October 2000 44 Appendix B Schematics...
Page 46: ...PT300 Service Manual Rev B October 2000 45...
Page 47: ...PT300 Service Manual Rev B October 2000 46...
Page 48: ...PT300 Service Manual Rev B October 2000 47 Totalizing cable...
Page 49: ...PT300 Service Manual Rev B October 2000 48 Charging Cable...
Page 50: ...PT300 Service Manual Rev B October 2000 49 Loadcell and Summing Board...
Page 51: ...PT300 Service Manual Rev B October 2000 50 Internal Cable Assembly...
Page 52: ...PT300 Service Manual Rev B October 2000 51 Parts...