USER MANUAL Manual
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