Basic manual for the module IT-1604
Passive RTD sensors (using delivered 7k5 resistance)
Input impedance within signal range
7k5
> 100 k
Ω
in case of external resistance
Error of analog input
-
Max. error at 25 °C
± 0.5 % of full range
-
Temperature coefficient
± 0.05 % of full range /K
Non-linearity
±0.09 % of full range
Repeatability under steady conditions
0.07 % of full range
Numerical resolution
16 bits
Format of data returned to application program
See TXV 004 12
Least significant bit value (LSB)
See TXV 004 12
Max. permitted continuous overload (without damage)
± 30 V
Each terminal against AGND
Overload indication
Yes, on module panel and in module
status word
Input type
With a common pole
Detection of open input
No
Total time of system input transfer (TAID + TAIT)
Yes, indication by range overflow
Sample repeating period
Max. 70ms
1)
Numerical resolution
Max. 600 ms
1)
1)
The time of transfer and data update period of each channel is dependant on module config-
uration - i.e. on the number of measured channels and set ranges of the individual channels.
Analog outputs:
Number of outputs
2
Organization and type of outputs
2 with a common pole
Galvanic isolation from internal circuits
Yes, common with inputs
Diagnostics
No
Conversion method
D/A converter
Operation modes
Periodical setting of outputs
Type of protection
Integrated overvoltage protections
Insulation potentials under normal operating condi-
tions
500 V DC between input and internal cir-
cuits
Filtration
-
Internal calibration
-
Output ranges:
Voltage
0
÷
10 V
External power supply
No
Common points between channels, if any
yes, AGND terminal
Type of cable, length, recommended conditions
See TXV 004 11
Installation to ensure noise resistance
See TXV 004 11
Calibration or verification to keep nominal accuracy
2 years
Terminal arrangement
See chapter 5
Typical example(s) of external connections
See TXV 004 11
Influence of incorrect connection of output termin-
als
None, if max. overload of all output termin-
als is followed
TXV 116 04
12
