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Advant
®
Controller 450 User’s Guide
Section 5.5.12 Channel Adjustment on AO Board
3BSE 002 415R701 Rev A
5-79
Resetting
Stop the GETAB command as described in the preceding chapter.
Reset the values for CONV_PAR, FILTER_P and DEADB.
Connect the process input or the jumper in the same way as the reference resistor is connected.
5.5.12 Channel Adjustment on AO Board
All analog output boards are adjusted during manufacture for current output, which means that
units in which the voltage output is used may be readjusted to obtain the full accuracy. The same
applies to spares. The following channel setting can be of interest:
•
Adjustment of the zero point Z
•
Adjustment of gain G
•
Adjustment of the variable gain V
•
Setting of the limits L1, L2.
It is not certain that all circuit boards encountered in this connection have all of these adjustment
possibilities. Before the adjustment, jumper the circuit board for the mode (voltage, current) in
which it is to be used. The connection required is shown in
and
Execute the adjustments in the order in which they are described (Z, G, V, L1, L2).
The output signal is measured on the connection unit after the load is replaced with the
instrument in accordance with
and
Figure 5-22. Adjustment of Voltage Output
U
DVM
Z
G
L1
L2
Connection unit
Voltage output
Register
Data base AO ch
AC 450 SW
VALUE
Circuit board
and
D/A Conv.
Содержание Advant Controller 450
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Страница 496: ...Advant Controller 450 User s Guide Appendix C Delivery Documentation C 2 3BSE 002 415R701 Rev A ...
Страница 508: ...Advant Controller 450 User s Guide Appendix D Item Designations D 12 3BSE 002 415R701 Rev A ...
Страница 514: ...Advant Controller 450 User s Guide Appendix E Current Consumption and Heat Dissipation E 6 3BSE 002 415R701 Rev A ...
Страница 518: ...Advant Controller 450 User s Guide Appendix F Load Calculation F 4 3BSE 002 415R701 Rev A ...
Страница 522: ...Advant Controller 450 User s Guide Appendix G Memory Calculation G 4 3BSE 002 415R701 Rev A ...
Страница 528: ...Advant Controller 450 User s Guide Appendix H Halt Codes H 6 3BSE 002 415R701 Rev A ...
Страница 561: ...Advant Controller 450 User s Guide Index 3BSE 002 415R701 Rev A iii V Valve control 1 102 VT100 terminal 1 105 ...
Страница 562: ...Advant Controller 450 User s Guide Index iv 3BSE 002 415R701 Rev A ...
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Страница 564: ...3BSE 002 415R701 Rev A March 2000 ...