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Operation Using
a Programmable Logic Controller (PLC)
ProMix PD2K Network Inputs
The ProMix PD2K Network Inputs are Write-Read capable, but should be treated as outputs from a PLC or
other networking device. These registers allow the user to control system operation and configure system
settings remotely. Invalid values (i.e. out of bounds or not consistent with system configuration) will be ignored
by the ProMix PD2K. All values must be written as integers. Floating point numbers are not supported.
Do not rely on
these registers for Read status, other than to confirm data that has been written and accepted.
NOTE: The PD2K system does not refresh the values for these registers. At power up all input registers
initialize to invalid values.
INPUT REGISTER 00: System Mode Command
The System M
ode Command register accepts a number that represents a command to the PD2K system
to initiate
a particular operation. Some operation modes may be initiated only under certain conditions (see
Figures 5 –
9 for details).
Number
Operation Mode
Descripti
on
1
No OP
The system takes no action.
2 Power Pumps
The system powers on or powers off the pumps.
3
Remote Stop The system stops all current operations and turns off power to the
pumps.
4
Recipe
Change
The sys
tem initiates a recipe change. (See also Register 7.)
5
Mix Fill
The system fills the mix manifold and gun with material at ratio for
a valid recipe.
6Mix Thesy
stem initiates a mix/spray cycle.
7
Purge A The system purges only Material A out through the gun.
8 Purge B The system purges only Material B out through the gun.
9
Standby The system puts all active pumps into Standby mode.
36 332564B