Led Interpretation; Flow Meter Interface; Overview - Mettler Toledo IND780 Guide D'installation

2.7.4.4.

LED Interpretation

Figure 2-68 indicates the locations of LEDs on the POWERCELL PDX board. Table 2-16 describes
the function of the LEDs.
2.7.5.

Flow Meter Interface

2.7.5.1.

Overview

The Flow Meter Option Board is a two-channel isolated pulse counter/flow meter board available for
use with the IND780 terminal. In the IND780batch, the board provides a flow meter totalizer target
comparison to directly control on-board discrete outputs.
The board can count the input pulses up to 50 kHz on each of two isolated input channels
simultaneously, as well as measuring the frequency of the input signal. Four-jumper selectable
switching threshold for each input channel are available as well as a jumper selectable 15 kHz
analog filter. The required peak input levels for the AC mode are 50mV to 50Vrms. The required
peak input levels for the DC mode are 2.5 volts to 42 volts at 1 Amp. The state of the input counter
levels is also available to the processor, so that any channel can be used as a discrete input.
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METTLER TOLEDO IND780 Installation Guide
Table 2-16: POWERCELL PDX Board LEDs Function
LED Color
ON – the board's discrete output is turned on
I1: SW Amber
OFF – the board's discrete output is turned off
ON – the USB connection to the main board is active
I2: USB Amber
OFF – the USB connection to the main board is inactive
I3 solid ON, I4 OFF – indicates that the CAN communication to the load cells is
I3: A1 active
Amber
I4: A2 I3 and/ or I4 blinking – indicates that the CAN communication to the load cells is
interrupted
Slow blink (~1 Hz) indicates that the board's processor is not working correctly
I5: IPC Amber
Fast blink (~ 3 Hz) indicates that the board's processor is working correctly
Please note that open collector outputs require an external power source to switch on and off.
I3
I2
I1
Figure 2-68: POWERCELL PDX Board LEDs
Function
I4
I5
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