SERVO
PRO NANOCHROME Gas Analyser
32
04416001A / Revision 7
3.6 4-20 mA Outputs
Maximum load
4
00 Ω
Isolation from earth
Isolation from other circuits
30Vac or 60Vdc
30Vac or 60Vdc (channels 1 to 8 share
a common reference)
Output range:
Normal sample measurement
Under range
Over range
4 to 20 mA
Less than 4 mA
Over than 20 mA (24 mA maximum)
Cable requirements:
Type
Size
Multi-strand twisted pair with overall
screen
0.2
–
3.3 mm
2
(24-12 AWG)
Maximum length
30 m
Table 7 : 4-20 mA outputs
3.7 Digital Inputs
Maximum voltage
24 VDC
Maximum current
Isolation from earth
Isolation from other circuits
1 Amp
30Vac or 60Vdc
30Vac or 60Vdc
Cable requirements:
Type
Size
Multi-core cable with overall screen
0.2
–
3.3 mm
2
(24-12 AWG)
Maximum length
30 m
Table 8 : Digital inputs