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Advant
®
Controller 450 User’s Guide
5-74
3BSE 002 415R701 Rev A
5.5.10.9 Replacement of Modem
Replacing a modem of course will affect the actual communication link. If no physical
redundancy, the communication will be shut down. However a replacement can be made while
the controller is operating otherwise. The power supply to the modem must be disconnected
locally.
Replace a faulty or suspect modem located in a modem subrack (RF 540/541) in the following
way:
1.
Disconnect the power supply with the pluggable connection
2.
Disconnect all other pluggable connections
3.
Unscrew the fixing screws - Remove
4.
Install the new unit in the reverse order
5.
Test the function.
5.5.11 Adjustment of Analog Input and Output Boards
On delivery, the analog input boards are normally adjusted for voltage signals, for the current
output, analog outputs are normally adjusted with the ambient temperature 25
°
C and need
normally no adjustment.
Some of the boards can be adjusted, see
General instructions are provided in the adjustment instructions below. The detailed information
for individual circuit boards, for example, location of test terminals, location of potentiometers,
jumpering, function descriptions, and so on is provided in the manual S100 I/O Hardware.
If the potentiometers are not accessible on the front, place the board on an extension board
DSFB 110. On the units which can be adjusted channel by channel, adjust the channels before
the A/D converter.
The following aids are required for the adjustments.
•
A reference voltage supply unit, with adjustable output within the range 0 - 10.5 V and
with resolution 0.1 mV. The supply unit is not to have mains noise or hum in excess of
0.1 mV. If no supply unit is available, you can use a battery, a potentiometer and a digital
voltmeter with corresponding resolution.
•
An adjustable voltage supply unit with rating 100 V.
•
A digital voltmeter for the range 0 - 10.5 V with 0.1 mV resolution, accuracy exceeding
that required for the board by a wide margin.
•
An oscilloscope for checking mains noise and hum.
•
Precision resistors:
–
One of 500 ohm, 0.01%
–
One of 300 ohm, 0.01%
–
One of 100 ohm, 0.01%.
•
An Advant Station 100 Series Engineering Station or
Advant Station 500 Series Engineering Station.
•
An extension board DSFB 110
•
(A miniature soldering iron).
Содержание Advant Controller 450
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Страница 26: ...Advant Controller 450 User s Guide Table of Contents 3BSE 002 415R701 Rev A xvi ...
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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 ...