Honeywell ControlEdge 900R04-0200 Getting Started page 51

Protocol Description
If you select Modbus RTU Slave:
Data Bits is set as 8 by default.
l
There are two more options to configure:
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and
If the Mapping is empty, you must add a mapping
table first. See "Adding a Modbus Slave mapping
table" on page 1 for more information.
Modbus The controller acts as the Modbus Master and used for
RTU communication between The controller and third-party
Master Modbus Slave devices, for example I/O modules.
If you select Modbus RTU Master, Data Bits is set as 8
by default.
Modbus The controller acts as the Modbus Slave and used for
ASCII communication between:
Slave
Controller and SCADA
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Controller and third-party Modbus Master
l
If you select Modbus ASCII Slave, you must configure
two more options:
is empty, you must add a mapping table first. See
"Adding a Modbus Slave mapping table" on page 1 for
more information.
Modbus The controller acts as the Modbus Master and used for
ASCII communication between The controller and third-party
Master Modbus Slave devices, for example: I/O modules.
User User Defined protocol.
Defined
When you select this option, the
(Optional)
interval Timeout (ms)
Delimiter (Hex)
validate if a data frame is sent completely.
Read-interval Timeout (ms)
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last data packet sent and the first keepalive probe,
ranging from 0 to 10000 (ms). If the interval
between the arrivals of any two bytes exceeds this
.
Mapping
and
Slave ID
panel appears including three settings:
,
Max Length (Bytes)
. You can configure them optionally to
: The interval between the
Chapter 4 - Software
Slave ID
. If the Mapping
Mapping
Delimiter Mode
Read-
and
End
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