Instrumentation Systems & Services MicroSpeed 196, Руководство пользователя

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Variabl e 62 - Display - This variable will return whatever is
on the numeric display
of the MicroSpeed 196.
Refer to display variables
21
an d
22
for information on what
can be displayed.
SERIAL COMMUNICATIONS APPENDIX
Protected Variables in the Run Mode:
follower error-pulses, or the error output is being displayed.
Note: It is possible to receive a negative sign in Character #7, (1000’s data) if the
Variable 63 - Alarm Status
-
Refer to Display (Variable 21) for coding. This wilt
return the status of the alarm outputs, per Variable 21, Option 7.
Var 01
Var 02
Var 03
Var 04
Var 05
Var 23
Var 51
Maximum Speed in RPM
User Units at Maximum Speed
PPR
Maximum Lead RPM
Lead PPR
User Unity Ratio
Master/Follower
The active set point will only change with a Change Set Point command.
A write command to the active set point while running will return an
error
message.
Possible Causes for No Communications.
The’ unit does not act on or respond to messages sent.
1. Check Baud Rate and Address.
31
2.
Check wiring.
3. Check Variable 48 for buffer communication errors.
4. All 13 characters not sent.
5. Check power to unit.
6. Do a Diagnostic 6 communications test,
The unit acts on a message but does not return a response.
1. Using global commands without Node 1 on line.
2.
3.
Not waiting long enough for response.
4.
The MicroSpeed 196 transmit lines are open or shorted.
5.
More than one MicroSpeed 196 with the same node address.
Do a Diagnostic 6 communications test.
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