Rockwell Automation 2706-LV2P_LV2R_LV4P_LV4R DL40 PLUS USER MANUAL - Manual (Page 67)

Online Operating Modes 5–2
Publication 2706-6.1
In Message/Variable/Slave Run mode, you can:
•
Trigger a single message via
– Parallel Port (Parallel Port version)
– PLC using Discrete I/O or Block Transfer Write (Remote I/O
version)
– RS-485 port
– RS-232 port
– Keyboard port
•
Send variables to be included in a message
•
Insert ASCII data in a message using the Keyboard port
•
Return a maximum of 20 ASCII characters to a PLC via Remote
I/O port (Remote I/O version), depending on rack size and
whether block transfer or Discrete I/O is used
•
Return a maximum of 20 ASCII characters to a PLC via RS-232
or RS-485 port.
•
Put messages in the Historical Events Stack
•
Override the slave address selected as a message attribute with an
address sent with the message trigger
•
Send real-time clock or date information to a PLC (Remote I/O
version)
•
Require a handshake with the PLC (Remote I/O version)
Message/Variable Run mode is only available for Remote I/O
versions of the DL40 Plus. This mode supports the same operations
as the Message/Variable/Slave Run mode, except:
•
cannot override the slave address selected as a message attribute
•
PLC can send up to 6 (not 5) full word variables if using Discrete
I/O
Message/Variable/Slave
Mode
Message/Variable Mode