Hardware reference
HARDWARE REFERENCE MANUAL
122
Revi
si
on 3.0
fig. 69
/i
The illustration shows the circuit configuration for the analogue
input module.
Item
Specifications
Input circuit
isolation
Isolation
method
Photocoupler
(There is no isolation between input channels.)
Dielectric
strength
1,500 VAC for 1 minute between input termi-
nals and internal circuits
Insulation
resistance
100 M
Ω
min. at 500 VDC between input termi-
nals and internal circuits (at room temperature
and humidity)
External power supply
Main external power supply:
24 VDC (20.4 to 26.4 VDC), 120 mA max.
Derating conditions
The maximum ambient operating temperature
is limited with some mounting directions.
Maximum heating value
2.88 W
Hot swapping
Terminal block: not permitted
Communication connector: permitted
weight
Approx. 300 g
Dimensions (mm)
161 x 44 x 79 (W x H x D)
I51E-EN-03.book Seite 122 Donnerstag, 28. Juni 2007 1:05 13