Using the or keys display the required
mask setting.
Auxiliary Input Mask
[OF]
PRESS THE
KEY.
The displayed option will flash
indicating that it has been set.
Press the
O
key to display
[PP]
.
Where Modbus parity bit detection is
used the module must be set with the
parity bit setting of the host.
Using the
+
or
-
keys display the
required parity bit:
[
n
o]
No parity bit
[En]
Even parity bit
[Od]
Odd parity bit
No Parity Bit
PRESS THE
KEY.
The displayed option will flash
indicating that it has been set.
Continued
45
PF
Modbus Remote
Auxiliary Input
Modbus Parity
PP
4. Stop/Maintain Control
When energised this will make the Aux input Open/Close control push-to-run.
When de-energised, the Aux input Open/Close control will be maintained. ESD is
always push to run (non maintained).
5. Remote I/P Setting
Ensure that the correct
[Od]
setting is selected
(refer to page 38)
.
For Modbus this is
[
r
E]
.
The factory default for
[PF]
is
[OF]
.
Examples
1. The full range of remote controls is needed. Open and Close are NO and ESD
and Stop/maintain is NC.
Aux I/P
4 3 2 1
Function
1 1 1 1
= F
Invert
0 0 1 1
= 3 i.e. set [PF] to [F3]
2. Open and close control is required along with 2 inverted digital signal inputs.
(Note that with this setting the open and close commands will be maintained.)
Aux I/P
4 3 2 1
Function
0 0 1 1
= 3
Invert
0 0 1 1
= 3 i.e. set [PF] to [33]
3. Only an ESD input is needed. The requirement is for push to run control with a
NO contact input.
Aux I/P
4 3 2 1
Function
1 1 0 0
= C
Invert
1 0 0 0
= 8 i.e. set [PF] to [C8]
