Table 3.5 – field unit register definitions – Flowserve DDC-100 Modbus Direct-to-Host User Manual
Page 9
12
DDC-100 Direct-to-Host Programming Guide
FCD LMAIM4019-00
FCD LMAIM4019-00
DDC-100 Direct-to-Host Programming Guide
13
Table 3.5 – Field Unit Register Definitions
Register
Number
Register Name
MX/DDC Meaning
UEC-3-DDC Meaning
1
Command
Registers 1 and 2 are write-only
registers used for Modbus Function
Code 06
Registers 1 and 2 are write-only
registers used for Modbus Function
Code 06
2
Argument
Registers 1 and 2 are write-only
registers used for Modbus Function
Code 06
Registers 1 and 2 are write-only
registers used for Modbus Function
Code 06
3
Analog Output
APT Scaled Output Value
(Default 0-100)
N/A
4
Analog Output
ATT Scaled Output Value1
(Default 0-100)
Average Torque
(version 2.00 and greater)
5
Analog Input
Main Power Value (Volts)
Analog Input 4
6
Analog Input
Analog Input 1 (Default 0-100) User
4-20 mA Input (Heavy Smoothing)
Analog Input 3
7
Analog Input
Analog Input 2 (Default 0-100) User
4-20 mA Input
Analog Input 2
8
Position
Valve Position, Scaled Value (Default
0-100) (0-100, 2-255, 0-4095)2
Valve Position, Scaled Value (Default
0-100) OR Analog Input 1
9
Status Register
(Field Units as
MOV - Motor-
Operated Valve)
16 Bits of Field Unit Status
16 Bits of Field Unit Status
Bit 0 Opened
Bit 0 Opened
Bit 1 Closed
Bit 1 Closed
Bit 2 Stopped
Bit 2 Stopped
Bit 3 Opening
Bit 3 Opening
Bit 4 Closing
Bit 4 Closing
Bit 5 Valve jammed
Bit 5 Valve jammed
Bit 6 Actuator switched to local
mode1
Bit 6 Actuator switched to local
mode
Bit 7 Combined fault3
Bit 7 Combined fault3
Bit 8 Over-temperature fault
Bit 8 Over-temperature fault
Bit 9 Future Implementation
Bit 9 Actuator failing to de-ener-
gize
Bit 10 Network Channel A fault4
Bit 10 Network Channel A fault
Bit 11 Network Channel B fault4
Bit 11 Network Channel B fault
Bit 12 Open torque switch fault
Bit 12 Open torque switch fault
Bit 13 Close torque switch fault
Bit 13 Close torque switch fault
Bit 14 Valve-operated manually
fault
Bit 14 Valve-operated manually
fault
Bit 15 Phase error
Bit 15 Phase error
9
Status Register
I/O Module only
(Non-Valve
Service)
N/A
16 Bits of Field Unit Status
Bits 0-9 Not Used
Bit 10 Network Channel A fault
Bit 11 Network Channel B Fault
Bits 12-15 Not Used
Table 3.5 – Field Unit Register Definitions (continued)
Register
Number
Register Name
MX/DDC Meaning
UEC-3-DDC Meaning
10
Fault Register
(Not Used for I/O
Module)
16 Bits of Field Status
16 Bits of Field Status
Bits 0-3 Not Used
Bit 0 Input “open verify” is not
active after open command
is initiated
Bit 4 One or more phases are
missing
Bit 1 Input “close verify” is not
active after close command
is initiated
Bit 5 Reverse phase sequence is
occurring
Bit 2 Input “open verify” is active
after open command is
de-energized
Bits 6-9 Not Used
Bit 3 Input “close verify” is active
after close command is
de-energized
Bit 10 Network emergency
shutdown is active
Bit 4 “Ph_det” input is active. One
or more phases are missing
Bit 11 Local PB emergency
shutdown is active
Bit 5 “Ph_seq” input is active.
Reverse phase sequence is
occurring
Bit 12 MX microprocessor has
reset since the last poll
Bit 6 Valve manually moved from
mid-travel to open
Bit 13 Local Stop
Bit 7 Valve manually moved from
open to mid-travel
Bit 14 Opening in local mode
Bit 8 Valve manually moved from
mid-travel to close
Bit 15 Closing in local mode
Bit 9 Valve manually moved from
close to mid-travel
Bit 10 Network emergency
shutdown is active
Bit 11 Local emergency shutdown
is active
Bit 12 Field Unit microprocessor
has reset since the last poll
Bit 13 Wrong rotation
Bit 14 Opening in local mode
Bit 15 Closing in local mode