Akytec MU110-8I Посібник користувача - Сторінка 12

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Operation
6.2
If data exchange via RS485 is interrupted, i.e. the command is not received from the net-
work Master within the time specified in t.out parameter, then all outputs with the pa-
rameter Log=0 will be set to the safe state. The safe state is the output value specified in
the parameter O.ALr (Safe output status) for each output. In this case:
–
–
–
–
Parameters t.out and O.ALr can be set during configuration or operation and are saved
in the non-volatile memory.
Non-Volatile Memory
Since the non-volatile memory is not unlimited rewritable (~ 1 million), it is not
►
NOTICE
recommended to change the Safe output status (O.ALr) by a Modbus command so
often as the output value.
6.3
All variables and parameters in the Table 6.2 are of the type INT16
R – read access
W – write access
Table 6.2 Modbus register
Output value AO1
Output value AO2
Output value AO...
Output value AO8
Safe output status (O.ALr) AO1
Safe output status (O.ALr) AO2
Safe output status (O.ALr) AO...
Safe output status (O.ALr) AO8
Time-out (t.out), s.
akYtec GmbH · Vahrenwalder Str. 269 A · 30179 Hannover · Germany Tel.: +49 (0) 511 16 59 672-0 · www.akytec.de

Fault state

LED FAULT is on
LED FAULT is off with a new query received from the Master
The outputs remain in the safe state until the command from the Master about
status change is received
If t.out parameter is set to 0, the fault state doesn't occur.

Modbus addressing

Parameter
Valid value
Configura-
Modbus
tion
command
0...1
0...1000
0...1
0...1000
0...1
0...1000
0...1
0...1000
0...100
0...1000
0...100
0...1000
0...100
0...1000
0...100
0...1000
0...600
0...600
Address
Access
hex
dec
RW
0000
0000
RW
0001
0001
RW
...
...
RW
0007
0007
RW
0010
0016
RW
0011
0017
RW
...
...
RW
0017
0023
RW
0030
0048
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