Rice Lake 420 Plus, Руководство по установке

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52 420 Plus Installation Manual
7.10 Regulatory Mode Functions
7.11 LED Functions
The following is a list of diagnostic LEDs for the 420
Plus . see Figure 2-4 7 for locations on the 420 Plus
CPU board.
Serial Port Status
LED1 (EDP Port) Flashing red = TXD activity
Flashing green = RXD activity
On steady or off = No activity
LED2 (PRN Port) Flashing red = TXD activity
Flashing green = RXD activity
On steady or off = No activity
Power Supply
LED (+5AV) Excitation/ADC supply on
LED (+5V & +3.3V) Digital logic supply on








Operation Status
LEDHB (Microprocessor) Flashing green = Active
Red = Fault
LED AD (ADC) Green = Active
Red = Fault
LED MEM (Memory Test) Green = Pass
Red = Fail
LED ANA Red = Not Implemented
(Analog Option Card)
Digital Input/Output Status
DO 1 (Digital Out 1) On when lit (active low)
DO2 (Digital Out 2) On when lit (active low)
DI 1 (Digital In 1) On when lit (active low)
DI 2 (Digital In 2) On when lit (active low)
REGULAT
Parameter Value Weight on Scale Tare in System
Front Panel Key Function
TARE ZERO
NTEP zero or negative no no action ZERO
yes CLEAR TARE
positive no TARE
yes TARE
CANADA zero or negative no no action TARE
yes CLEAR TARE
positive no TARE
yes no action
OIML zero or negative no no action ZERO
yes CLEAR TARE ZERO and CLEAR TARE
positive no TARE ZERO
yes TARE ZERO and CLEAR TARE
NONE zero or negative no TARE ZERO
yes CLEAR TARE
positive no TARE
yes CLEAR TARE
Table 7-8. TARE and ZERO Key Functions for REGULAT Parameter Settings