Prosoft-technology MVI46-MCM Instrukcja Użytkownika Pobierz pdf (Strona 18)

Configuring the MVI46-MCM Module MVI46-MCM ♦ SLC Platform

User Manual Modbus Communication Module

Page 18 of 108 ProSoft Technology, Inc.

March 29, 2011

Backplane Setup

File M0 Offset Register Content Description

N10:0 1 5000 Write Start Reg Not used in this version of the software

N10:1 2 5001 Write Reg Count Not used in this version of the software

N10:2 3 5002 Read Start Reg Not used in this version of the software

N10:3 4 5003 Read Reg Count Not used in this version of the software

N10:4 5 5004 Backplane Fail Not used in this version of the software

N10:5 6 5005 Error Status Pointer This parameter specifies the register location in the

module's database where module status data is

stored. If a value less than 0 is entered, the data will

not be stored in the database. If the value specified

is in the range of 0 to 4940, the data is placed in the

user data area.

N10:6 7 5006 Spare

N10:7 8 5007 Spare

N10:8 9 5008 Spare

N10:9 10 5009 Spare

Port 1 Setup

File M0 Offset Register Content Description

N10:10 11 5010 Enable This parameter defines if this port will be used. If

the parameter is set to 0, the port is disabled. A

value of 1 enables the port.

N10:11 12 5011 Type This parameter defines if the port emulates a

master or slave device. Enter 0 to emulate a master

device and 1 to emulate a slave device.

N10:12 13 5012 Float Flag This flag specifies if the floating-point data access

functionality is to be used. If the float flag is set to

Y, Modbus functions 3,6, and 16 will interpret

floating point values for registers as specified by

the two following parameters.

N10:13 14 5013 Float Start This parameter defines the first register of floating-

point data. All requests with register values greater

than or equal to this value will be considered

floating-point data requests. This parameter is only

used if the Float Flag is enabled. For example, if a

value of 7000 is entered, all requests for registers

7000 and above will be considered floating-point

data.

N10:14 15 5014 Float Offset This parameter defines the start register for

floating-point data in the internal database. This

parameter is only used if the Float Flag is enabled.

For example, if the Float Offset value is set to 3000

and the float start parameter is set to 7000, data

requests for register 7000 will use the internal

Modbus register 3000.

N10:15 16 5015 Protocol 0=RTU, 1=ASCII

1 2 ... 13 14 15 16 17 18 19 20 21 22 23 ... 107 108

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