Figure 5-48. Force Physical Input Example; Figure 5-49. Force Physical Input Example - ABB TPU2000 Technical Manual

TPU2000/2000R Modbus/Modbus Plus/ Modbus TCP/IP Automation Guide
STEP 1 -
Host sends following register contents
to initiate Force Physical Input 1 ON ( Assumed that default
password of all spaces is active).
41417 = 2020 hex (Password Hi)
41418 = 2020 hex (Password Lo)
41419 = 0
41420 = 0008 hex (Select Bit to Change)
41421 = 0008 hex ( Place Bit in Forced State).
41422 = 0008 hex ( Send State of Force = 1)
EXAMPLE 2 - Force Input 4 to a State of 1 and Then to a Force State of 0, and
Then to a Normal State.
(Reserved)
E C
Command
Sequence Through
Modbus Command 16
Preset Multiple Holding Registers
E C
The Relay Responds
over the network that
the command has been
accepted.

Figure 5-48. Force Physical Input Example

EXAMPLE 2 - Force Input 4 to a State of 1 and Then to a Force State of 0, and
Then to a Normal State.
STEP 3 -
Host sends following register contents
to initiate Force Physical Input 4 OFF ( Assumed that default
password of all spaces is active).
41417 = 2020 hex (Password Hi)
41418 = 2020 hex (Password Lo)
41419 = 0 (Reserved)
41420 = 0008 hex (Select Bit to Change)
41421 = 0008 hex ( Place Bit in Forced State).
41422 = 0000 hex ( Send State of Force = 0)
E C
Command
Sequence Through
Modbus Command 16
Preset Multiple Holding Registers
E C
The Relay Responds
over the network that
the command has been
accepted.
Figure 5-49. Force Physical Input Example (Continued)
STEP 2 -
The host sends the register execute
command to the following address
with the following contents.
41416 = 0001 hex
E C
Command
Sequence Through
Modbus Command 16
Preset Multiple Holding Registers
E C
The relay forces the Input Status of Physical Input 4 to be a
value of 1 Forced. A Modbus response will be returned to the host
indicating that the command has been accepted.
STEP 4 -
The host sends the register execute
command to the following address
with the following contents.
41416 = 0001 hex
E C
Command
Sequence Through
Modbus Command 16
Preset Multiple Holding Registers
E C
The relay forces the Input Status of Physical Input 4 to be a
value of 0 Forced. A Modbus response will be returned to the host
indicating that the command has been accepted.
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