5
ZERO and LCL/TTL
Activates or deactivates the display backlighting. Press both buttons at the same time to turn the display
backlighting ON or OFF.
COMM
Communication connector for connecting two or more weighers together for Local/Total function or
remote communications.
CHGR
Connection for input to recharge weigher battery.
Maximum charge is 13.5 VDC at 300 mA
2.6
Reading the Weigher Display
The PW 500 weigher is capable of indicating informational messages to the operator as well as the weight
value. These messages and their meaning are given below:
OUTPUT MESSAGE
MEANING
“
”
Displayed at power up.
BUS ADDRESS = # #”
Number assigned to weigher communication functions.
“CALIBRATE ZERO”
Unit performing zero function.
“# # # # # LB”
Local weight in pounds.
“# # # # # KG”
Local weight in kilograms.
“MOTION ERROR”
Failure of unit to achieve a stable zero setting.
“RANGE ERROR”
Weigher output exceeds zero range capability.
“OVER-RANGE”
Weigher output exceeds capacity of weigher.
“LOW BATTERY”
Intermittent message meaning battery is becoming low.
Recharge at first opportunity.
“RECHARGE BATTERY”
Battery too low to provide accurate weight indication.
Recharge before use.
“## TOTAL SCALES”
This message is followed by the number of weighers within
an interconnected group.
“BAD COMM ADDRESS”
The address number assigned to each weigher is duplicated
within the group.
“NO SCALES ANSWER”
None of the weighers connected can communicate with any
other weigher.
“NO COMM RESPONSE”
Communications interrupted between two or more weighers.
“FORCED TO LOCAL”
Weigher has returned to LOCAL weighing mode due to
interruption or lack of communication response.
“NEW ADDRESS = # #”
Acceptance of new address number assigned to weigher.
“RELEASE ZERO”
Message to operator to remove hand from ZERO button.
