Rockwell Automation T3837 ICS Regent MODBUS Master Package for WINTERPRET - Manual (Page 9)

MODBUS Master Package for W INTERPRET (T3837)
P D - 6048 August, 96
(Issue 1) 9
Field Type Description
E NABLE Tag If specified, must be the name of a valid bit variable.
If not specified, the MODBUS function block is
assumed to always be enabled.
R ESET Tag If specified, must be the name of a valid bit variable.
If not specified, the E
RROR output can only be
cleared by stopping, and then restarting the
MODBUS function block.
E RROR Tag If specified, must be the name of a valid bit variable.
C ODE Tag If specified, must be the name of a valid word
variable.
N ODE Tag If specified, must be the name of a valid word
variable.
T IME Tag If specified, must be the name of a valid floating
point variable.
T OGGLE Tag If specified, must be the name of a valid bit variable.
A rule violation results in an error message, but the validation procedure
continues until all parameters have been checked. After the parameters are
checked, each variable definition is validated according to the criteria
presented in Table 7.
Table 7 - Variable Definition Validation Rules
Field Type Description
Name Tag Must be the name of a valid variable. The size and
usage of the variable must match the attributes as
specified by the value of the Address field. (Refer to
Table 8 for additional information.)
Address Constant Must be between 0 and 49,999.
Node Constant Must be between 1 and 247.
Usage Switch Must specify either Read or Write.
Address Range Regent Type MODBUS Type MODBUS Cmd Usage
0 9999 Bit Variable Coil 01 Read or Write
10000 19999 Bit Variable Input 02 Read Only
20000 29999 Reserved - - -
30000 39999 Word Variable Input Register 04 Read Only
40000 49999 Word Variable Holding register 03 Read or Write