Functional specifications – ProSoft Technology MVI56-LTQ User Manual
Page 57

MVI56-LTQ ♦ ControlLogix Platform
Reference
Limitorque Valve Actuator Master Communication Module
User Manual
ProSoft Technology, Inc.
Page 57 of 98
August 30, 2010
5.1.3 Functional Specifications
Support for the storage and transfer of up to 150 valves to the ControlLogix
processor’s controller tags
Emulates Limitorque’s Port A/B polling scheme using both ports on the
module
Supports the following valves
o
MX/DDC Modbus
o
UEC-3-DDC Modbus
o
DDC-100M I/O module
o
DDC-100M field unit
o
Valvcon IVO (unit in multi-drop mode only)
Software configuration
o
Baud rate: 1200 to 115200
o
Message response timeout
o
Number of active slaves
o
Last state on communication failure for valve data
o
Network polling scheme
o
Active slave table (bit mapped)
o
Use of CTS module line option
o
Backplane failure affect on communication port availability
Support command
o
Continuously polled
o
Read registers 40008 to 40013, optional 40055 or 40006/40007
o
Commands: open, stop, close, initiate network ESD, terminate network
ESD, engage contactors 1 to 6, disengage contactors 1 to 6, position
valve (0 to 100%)
Data returned to the processor for each valve
o
Valve position
o
Status register
o
Fault register
o
Digital outputs
o
Digital inputs registers 1 and 2
o
Communication error code
o
Communication poll counter
o
Special polled registers