Siemens S5-135U/155U - Page 412

9-30
System Manual
C79000-G8576-C199-06
Cycle time for 8 measured values with 2048 units
(max. delay time for measured-value acquisition)
Approx. 0.48 s at 50 Hz
Input resistance (with card) for input ranges:
$12.5 mV/$50 mV/$500 mV/Pt 100
$1 V
$5 V/$10 V
$5 V/$20 mA
4 to 20 mA
w 10 MW
90 kW
50 kW
25 W
31.25 W
Measuring point-related error signal
– for overflow
– for broken wire
Yes
Yes, configurable
(at $12.5 mV, $ 50 mV $ 500 mV and Pt 100
1)
)
Max. permissible input voltage without destruction $18 V; 75 V for 1 ms max. and duty ratio 1:20
Interference suppression for f = n x (50/60 Hz $1 %)
– with common-mode interference
– with differential-mode interference
w 100 dB
w 40 dB, interference voltage amplitude
but 100 % max. of measuring range referred to peak value
Error referred to rated value
– linearity
– tolerance
at w50 mV
at $ 12.5 mV
– polarity reversal error
at w 50 mV
at $12.5 mV
– temperature error
$ 1 unit
$ 1 unit
$ 3 units
$ 1 unit
$ 2 units
1 x 10
–4
/K
Error caused by modules with input range
$ 1 V/$ 5 V /$ 10 V
$ 20 mA/4 to 20 mA
2 x 10
–3
; TC = $ 10 x 10
–5
/K
10
–3
; TC = $ 5 x 10
–5
/K
Voltage test to VDE 0160 Between inputs and ground point
tested at 500 V AC
Surge voltage test to IEC 255-4 Between inputs and L-:
V
p
= 1 kV, 1.2/50 µs
Extended Pt 100 measuring range
Measuring range including overrange
Resolution
Basic error at T = 25
o
C
Operational error at T = 0 to 65
o
C
Range card
Approx. - 100
o
C to + 100
o
C
0.025
o
C per unit
$0.2
o
C max.
$0.5
o
C max.
6ES5 498-1AA11
Environmental specifications See technical specifications of the S5-135U/155U CC
1)
In the event of open-circuit of the live I
C+
and I
C-
lines, the digital value 0 is indicated.
Analo
g
Input/Output Modules