Endura Az25 System With Autocal; Cable Preparation - 6-Core Sensor Cable / Endura Az25 Autocal Unit To Endura Az25 Probe - ABB Endura AZ25 Series User Manual

Endura AZ25 series probe
Combustion oxygen monitor

4.3 Endura AZ25 system with AutoCal

Note.

Endura AZ25 systems with AutoCal require 2 cable types (ABB-only supply):
– 6-core cable: Endura AZ25 probe to Endura AZ25 AutoCal unit only – see Fig. 4.3
– 14-core cable: Endura AZ25 AutoCal unit to Endura AZ25 transmitter only – see Fig. 4.5, page 25

Mandatory earthing requirements:
– 6-core cable at Endura AZ25 probe: outer insulation sheath, screen foil and drain wire cut back and isolated –
see Fig. 4.3
– 6-core cable at Endura AZ25 AutoCal unit: outer insulation sheath and screen foil cut back and isolated, drain wire
connected to AutoCal unit inner terminal block SCN connector – see Fig. 4.3
– 14-core cable: at Endura AZ25 AutoCal unit: outer insulation sheath and screen foil cut back and isolated, drain wire
connected to AutoCal unit outer terminal block SCN connector – see Fig. 4.5, page 25
– 14-core cable: at Endura AZ25 transmitter: outer insulation sheath and screen foil cut back and isolated, drain wire
connected to transmitter internal terminal earth stud – see Fig. 4.5, page 25

The maximum combined (6-core plus 14-core) cable run is 100 m (328 ft.), coded option.
4.3.1 Cable preparation – 6-core sensor cable / Endura AZ25 AutoCal unit to Endura AZ25 probe
Endura AZ25 AutoCal unit
Maximum combined cable length (6-core + 14-core cable) probe / AutoCal unit / transmitter
AutoCal unit
end – cut to
10 mm (0.4 in.)
Cut outer insulation
sheath and screen foil
back – leave 110 mm
(4.4 in.) drain wire exposed
and sleeve to 100 mm (4 in.)
Fig. 4.3 Cable preparation – 6-core sensor cable / Endura AZ25 AutoCal unit to Endura AZ25 probe
OI/AZ25P–EN Rev. E
Green (TC+)
Screen (with drain)
Blue (ACJC)
Orange (ACJC)
Black (Cell –)
Wire colors – 6-core sensor cable
100 m (328 ft.)
AutoCal unit end –
cut to 100 mm (4 in.)
Endura AZ25 probe
White (TC–)
Red (Cell +)
Probe end –
cut to 150 mm (6 in.)
Cut the outer insulation
sheath, screen foil and
drain wire back and isolate
all three items
4 Electrical connections
Probe end –
cut to 10 mm
(0.4 in.)
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