Signals - Graco ProBell Electrostatic Controller Instructions And Parts

Signals

Note on Digital Inputs: A "0 (or Low)" is used to indicate that GND or no signal is present. A "1 (or High)" is
used to indicate that a 24 VDC signal is present.
Pin Type Description
1 Digital Preset Select 1 (Pin 1) and Preset Select 2 (Pin 2) Inputs
Input
Use to specify the Preset selection in REMOTE operation through the discrete I/O interface:
2 Digital
Input
In REMOTE mode, the values for Preset P000 are based on the analog signals received on
the discrete I/O interface. These values will overwrite any existing values in Preset P000.
The values for Presets P001–P003 must be entered locally, using the keypad, prior to
placing the controller in REMOTE mode. It is not possible to change the values of these
Presets remotely.
Presets P004–P250 are not accessible in REMOTE mode.
3 Digital Error Reset Input
Input
Use to allow error codes to be acknowledged remotely. Acknowledging an error code does
not correct the condition that created the error.
NOTE: Additional errors will be logged, regardless of the state of the Error reset. To
perform additional error resets, transition from 0 to 1 again.
4 Digital
REMOTE Enable/Disable Input
Input
Use to enable or disable REMOTE operation. Enabling REMOTE operation locks out
local control and allows the controller to use the discrete I/O interface. When enabled,
the
5
Digital Electrostatic Enable Input
Input
Use to enable or disable electrostatics output.
3A3657C
Pin 2 Pin 1
0 0 Preset P000
0 1 Preset P001
1 0 Preset P002
1 1 Preset P003
0➔1 transition: Reset all reported errors
icon on the display is shown.
0: Local control
1: REMOTE control
0: Disable electrostatics.
1: Enable electrostatics. All other conditions for activating the electrostatics must be
met.
Discrete I/O
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