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9.10.6
Networking via MODBUS
It is possible to network several devices with each other. The device uses the MODBUS-RTU as the
protocol for the RS-485 interface.
Bus Address
Bus Address
The device address (Device-ID) is factory set to the highest available MODBUS
address: 247
Thisaddressis reserved for operation with an external terminal and should not be
occupied with anything else.
Addressing
Addressing
Switch addressing to
“
ON
”
before setting
“
address
”
.
Reading and writing parameters
The device supports reading and writing processes for MODBUS Holding Registers. The start address
is
0
; the number of registers depends on the device. If the allowable start address or number is
exceeded, the device answers with an exception code. The description of the register is device
dependent and can be requested from service for the device/version concerned.
9.11
Limits
9.11.1
Limit indication depending on modulation
Controller function
Following functions can be allocated to the limit indication
OFF
no function
1L
Indication with the centralized fault of a programmed relay (IO allocation
Function
|
2K
|
).
Warning symbol in display,
“
AL
”
code in events memory.
2L
Is merely displayed in the events menu as message
“
msg
”
.
In the IO setup, a separate relay can be allocated independent of these settings.
Level min.
If the modulation exceeds the set
“
Modulation max
”
value, this is reported until the set
value
“
Modulation min
”
has been undercut.
Setting range
“
Modulation min.
”
:
“
Min. Speed
”
-
“
Modulation max.
”
Setting range
“
Modulation max.
”
:
“
Modulation min.
”
-
“
Max. Speed
”
The indication is delayed by the time set in
“
Display delay
”
.
Level max.
Level Delay
Time delay exceeding
“
Modulation max.
”
up to indication by relay and alarm symbol.
Setting range: 0 - 120 sec.
Factory setting: 2 sec.
Operating Instructions
Fcontrol
–
model series FXET4/6/10AMQ
Programming
L-BAL-E079-GB 1706 Index 008
Part.-No.
61/87