Siemens SIMATIC ET 200AL, System Manual

Page: 671 / 2255

Parameters/address space
4.2 Parameters
Analog input module AI 4xRTD/TC 4xM12 (6ES7144-5KD50-0BA0)
Equipment Manual, 08/2021, A5E48753535-AB
23
Parameter Value range Default Effective range with config-
uration software e.g. STEP 7
(TIA Portal)
Hardware interrupt
low limit 2
• Disable
• Enable
Disable Channel ---
High limit 1 The value range depends on
the measurement type.
The value range (min./max.)
permitted for the measure-
ment type is listed in the
table 4-3 Value ranges of
the hardware interrupts .
27648 Channel ---
Low limit 1 0 Channel ---
High limit 2 27648 Channel ---
Low limit 2 0 Channel ---
1
Interference frequency suppression: Noise at 400 Hz is automatically included in the filtering at
50 Hz.
2
For 2-wire connection only
Note
Unused channels
"Deactivate" unused inputs in the parameter assignment to shorten the cycle time of the
module.
A deactivated input always returns the value 7FFF
H
.
Value ranges of the hardware interrupts
The table below shows the permitted value ranges of the hardware interrupts for the
measurement type.
Table 4- 3 Value ranges of the hardware interrupts
Measurement
type
Measuring range Low limit High limit Unit
Voltage ± 80 mV -94.071 94.068 mV
-32511 32510 Decimal
Resistance 150 ohm 0.01 176.38 Ω
2 32510 Decimal
300 ohm 0.01 352.76 Ω
1 32510 Decimal