Mettler Toledo IND256x Guide D'installation page 11

Hazardous area
Power supply
Display
Weight display
Weighing platform type
Sensor quantity
Weighing platform quantity
Refresh rate
Sensor excitation voltage
Minimum sensitivity
Keyboard
Communication mode
Metrological Approval
Hazardous Area Approval,
factory-configured WiFi version
30491430 | 02 | 11/2019
Item
IND256x is approved for use in Zone 1/Zone 21 hazardous areas
AC power (187-253V 50/60Hz)
DC power (CD 18-30 V)
External NiMH Ex battery pack (64060627)
240 x 96 pixel white backlit LCD, 25mm high digits
Display update rate: 10 Hz
Maximum 100,000 divisions
Analog load cell
Maximum of four 350-ohm load cells (minimum 87 ohm), 2 mv/V or 3
mv/V
Supports one weighing platform
>366 Hz
4.5 VDC
0.6µV/e
26 keys; 1.5mm thick membrane keyboard
Standard interface:
The mainboard is provided with an intrinsically safe RS232 communication
interface
Interface options:
Intrinsically safe 4-20 mA analog output module, with16-bit D/A
conversion and 25 Hz update rate to PLC
or WiFi communication module (only in IND256x terminals factory-
configured with WiFi module);
or Intrinsically safe active current loop
or Intrinsically safe passive current loop
Communication Protocols:
Serial port input: ASCII commands - CTPZ (Clear, Tare, Print, Zero), SICS
commands (supports SICS level 0 and level 1)
Serial port output: Toledo continuous output, command print output (5
configurable templates), SICS command and report print
Europe: OIML R76; Class III, 6000e; TC10878
Global: OIML R76; Class III, 6000e; R76-2006-A-NL1-18.27
Hazardous approval
with non-intrinsically safe power supply (AC version and DC version):
II 2G Ex eb ib [ib] mb IIB T4 Gb
II 2D Ex tb [ib] IIIC T60°C Db
with intrinsically safe battery:
II 2G Ex ib IIB T4 Gb
II 2D Ex tb [ib] IIIC T60°C Db
METTLER TOLEDO IND256x Weighing Terminal Installation Manual
Specification
1-3