ProSoft Technology 5204SE-MNET-PDPMV1 User Manual
Page 109

Reference 5204SE-MNET-PDPMV1
♦ ProLinx Gateway
User Manual
Modbus TCP/IP to PROFIBUS DP-V1 Pass-Through Master
ProSoft Technology, Inc.
Page 109 of 235
December 22, 2009
DFB Get Module Status - M340
MNETDPV1_BASICVAR_ModuleStatus Variables - M340
This variable structure is the one to use with your control and sequencing logic
when you want to send a request to read general gateway status data.
Variable Name
Size/Type
Description
Out - MailBoxData
Multi-variable
nested DDT
For details, see Modbus DDT (page 98).
Out -
GetModuleStatus
1
Single-Bit
Boolean
This is the bit your control and sequencing logic will use to
trigger a message to get general gateway status data. Set
this bit to one (1) whenever no other messages are active
and when you want to update the StatInF variable table.
Out - Timeout
1
16-bit integer
Used to hold the amount of time in milliseconds to wait for a
response to the Modbus TCP/IP command before assuming
a communication error has occurred and setting the In-
MessageError status bit
In - MessageDone
1
Single-bit
Boolean
The DFB will set this bit when the Modbus TCP/IP response
is successfully received and the general module status data
variables have been updated.
In - MessageError
1
Single-bit
Boolean
The DFB will set this bit when the Modbus TCP/IP response
is not successfully received. When this bit is set, it indicates
your control and sequencing logic should retry the command.