Rockwell Automation 2080-LC20-20QBBR Micro820 20-point Programmable Controllers User Manual - Manual (Page 47)

Rockwell Automation Publication 2080-UM005A-EN-E - December 2013 39
Communication Connections Chapter 5
EtherNet/IP, supported on the Micro820 controller, makes use of the standard
Ethernet TCP/IP protocol. The Micro820 controller supports up to 16
simultaneous EtherNet/IP Client connections and 16 simultaneous EtherNet/IP
Server connections.
To configure CIP Serial, see Configure CIP Serial Driver on page 43 .
To configure for EtherNet/IP, see Configure Ethernet Settings on page 48 .
CIP Symbolic Addressing
Users may access any global variable through CIP Symbolic addressing except for
system and reserved variables.
One- or two-dimension arrays for simple data types are supported (for example,
ARRAY OF INT[1..10, 1..10]) are supported but arrays of arrays (for example,
ARRAY OF ARRAY) are not supported. Array of strings are also supported.
CIP Client Messaging
CIP Generic and CIP Symbolic messages are supported on Micro800 controllers
through the Ethernet and serial ports. These client messaging features are enabled
by the MSG_CIPSYMBOLIC and MSG_CIPGENERIC function blocks.
Supported Data Types in CIP Symbolic
Data Type
(1)
(1) Logix MSG instruction can read/write SINT, INT, DINT, LINT and REAL datatypes using "CIP
Data Table Read" and "CIP Data Table Write" message types.
BOOL, USINT, UINT, UDINT, ULINT, LREAL, STRING and SHORT_STRING datatypes are not
accessible with the Logix MSG instruction.
Description
BOOL Logical Boolean with values TRUE and FALSE
SINT Signed 8-bit integer value
INT Signed 16-bit integer value
DINT Signed 32-bit integer value
LINT (2)
(2) Not supported in PanelView Component.
Signed 64-bit integer value
USINT Unsigned 8-bit integer value
UINT Unsigned 16-bit integer value
UDINT Unsigned 32-bit integer value
ULINT (2) Unsigned 64-bit integer value
REAL 32-bit floating point value
LREAL (2) 64-bit floating point value
STRING character string (1 byte per character)