158 Operating Instructions Combics Indicators
Ex-Safety Information
Page
4
of
2
65954-750-16
Safety Information
11.05.2012
Klausgrete
Drawing No.
Designation
Revision 01
Analog weighing
platforms from series
CAAP..-......-...... +
Option Y2
or other weighing
platforms suitable for Zone 2
or 22 (category 3G or 3D) that
can be supplied via a bridge
supply voltage of at least
9 VDC (±4.5 VDC).
ADU output with
bridge supply voltage
9 VDC (±4.5 VDC)
3. Connecting Weighing Platforms
4. Connecting External Devices
Equipotential
bonding conductor
Equipotential
bonding conductor
Indicator
CAIS. with option Y2
Analog weighing platforms (load cells)
of series
CAAP..-......-...... + Option Y2
Connection
alternatives
Explosion-safe area
Note 8)
Note 8)
Note 8)
Note 8)
Note 8)
External device with
bridge supply voltage
12 VDC (±6.0 VDC)
External device with
bridge supply voltage
12 VDC (±6.0 VDC)
Device must be
suitable for Zone
2 and/or 22!
Digital weighing
platforms that are
suitable for Zone 2 or 22
(category 3G or 3D) and
can be supplied by at
least 16 VDC via the
data output.
Data output with
nominal supply
voltage
16 VDC
Note 8)
Explosion-risk area Zone 2 or Zone 22
Gas: Group IIC, temperature class T4
Dust: Group IIIC, Tmax 80°C
Ambient temperature: -10°C … +40°C
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