Remotely Changing The Setpoint - Woodward easYgen-2000 Series User Manual

Example
6.6.1.3

Remotely Changing The Setpoint

37535B
Modbus Applications > Remote Control > Remotely Changing The Setp...
A voltage value of 400 V = 400 (dec) = 0190 (hex) is to be trans‐
mitted.
Modbus address = 40000 + (Par. ID + 1) = 40511
n
Modbus length = 2 (UNSIGNED 32)
n
The high word must be written to the lower address and the low
word must be written to the higher address.
To set the parameter address in ModScan32:
Fig. 211: Modscan32 at address 40511
Analogous to
on page 429 set the parameter address as shown in
(Fig. 211).
It is possible to remotely change the (active power/power factor/fre‐
quency/voltage) setpoints through the Modbus using the parameter
Ä Chapter 9.2.3 "Additional Data Identifier" on page 527 ).
504 (
The required procedure is detailed in the following steps.
ID Parameter
504 Remote control word 2
In order to enable a setpoint, the respective bit of object 21F8
(hex), i.e. parameter 504, must be enabled. The following bits are
used for this:
Bit 4 Request voltage setpoint 2:
n
This bit activates the LogicsManager command variable 04.37
"Remote voltage setpoint 2" and is dedicated for switching from
voltage setpoint 1 to voltage setpoint 2.
Bit 5 Request frequency setpoint 2:
n
This bit activates the LogicsManager command variable 04.38
"Remote frequency setpoint 2" and is dedicated for switching
from frequency setpoint 1 to frequency setpoint 2.
Bit 6: Request power factor setpoint 2:
n
This bit activates the LogicsManager command variable 04.39
"Remote PF setpoint 2" and is dedicated for switching from
power factor setpoint 1 to power factor setpoint 2.
Bit 7: Request active power setpoint 2:
n
This bit activates the LogicsManager command variable 04.40
"Remote power setpoint 2" and is dedicated for switching from
active power setpoint 1 to active power setpoint 2.
easYgen-2200/2500 | Genset Control
Ä "Example 1: Active power interface setpoint"
Setting range
Yes / No
Application
Data type
UNSIGNED 16
431