30
6053/6055 Modbus Plus Communications Interface
Reset Fault
Replaces the REM TRIP RESET parameter on the SEQUENCING LOCIC function block.
When Set (=1) is the same as:
REM TRIP RESET
=
TRUE
When Cleared (= 0) is the same as:
REM TRIP RESET
=
FALSE
Remote
Not implemented. It is intended to allow the PLC to toggle between local and remote. The state
of this must be set (=1) to allow this feature to be added in the future.
Communications Status
The COMMS STATUS parameter (Tag 272) in the COMMS CONTROL function block
monitors the sequencing of the Inverter. It is a 16-bit word based on standard fieldbus drive
profiles. Some bits are not implemented in the initial release and are set to 0 (see “Supported”
column of the table below).
Bit
Name
Description
Supported
0
Ready To Switch On
√
1
Switched On
Ready for operation (refer control bit 0)
√
2
Operation Enabled
(refer control bit 3)
√
3 Fault
Tripped
√
4
(Not) Voltage Disabled
OFF 2 Command pending
√
5
(Not) Quick Stop
OFF 3 Command pending
√
6
Switch On Disable
Switch On Inhibited
√
7 Warning
8
SP / PV in Range
9
Remote
= 1 if Drive will accept Command Word
√
10 Setpoint
Reached
11
Internal Limit Active
12
13
14
15
Ready To Switch On
Same as the SWITCH ON ENABLE output parameter of the SEQUENCING LOGIC function
block.
Switched On
Same as the SWITCHED ON output parameter of the SEQUENCING LOGIC function block.
Example
Comman
ds
0x047F hexadecimal to RUN
