Communication
Serial Interfaces
Protocol
Approvals
Weights and Measures
USA: NTEP Class III/IIIL,10,000d - CoC 09-051
Canada: Class III - 10,000d; Class IIIHD - 20,000d; AM-5744
Europe:
OIML:
Product Safety
UL, cUL, CE Note: When an IND131xx or IND331xx terminal is installed into an area classified as Division 2 or
zone 2/22, special AC wiring requirements must be met. Refer to document 64068795 Division 2 and Zone 2/22
Installation Guide. Provisions must be made to prevent transient disturbances of more than 40% from the DC
voltage supplied to the IND131xx and IND331xx terminals.
Front Panel and Display Features
Display
Weight
display
Scale Function Keys, Weighing Mode
Display a net zero weight when a container is on the
scale
Capture a new gross zero reference point
Clear the current tare value; the display will revert to
the gross weight value
Transmits data from the terminal
Target
Comparators
Calibration*
Information
Setup
4
METTLER TOLEDO IND131/IND331 Quick Guide
Standard: One serial port (COM1) RS-232, 300 to 115,200 baud
Optional Serial Port: (COM2) RS-232/485, 300 to 115,200 baud
Serial Inputs:, ASCII commands for CTPZ (Clear, Tare, Print, Zero), SICS (most level 0 and level 1 commands)
Serial Outputs: Continuous, Extended continuous, Demand (limited formats) or SICS. Optional COM2 provides
Modbus RTU.
Class III, 6000 e - TC7600, Gravimetric Filling (MID) – T10261, Catchweighing (MID) – T10262
Class III, 6000 e - R76/2006-NL1-09.26
Center of Zero
indication
Access to target values, including target, tolerances, fine feed and spill
values
Access to the limit value (and high limit value if the comparator is
programmed as a range) for all comparators
Quick access to zero and span adjustment (*Shown only if enabled in
configuration and terminal is not in Weights and Measures Approved mode)
Recall for all terminal information fields
Access to all setup parameters for the terminal (may be password protected)
Motion
Units
indication
Scale Function Keys, Menu and Data Entry Modes
Scroll up in a menu display
Scroll left in a menu display
Scroll down in a menu display
Confirms an entry and/or moves to the next item in a menu
display
Menu Icons
Tare key
Zero key
Print key
Clear key
Gross/Net
display
Shown only if enabled
in configuration
Only displayed if
configured in setup,
and terminal is not in
weights and measures
approved mode
30306893
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02
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05/2019