iSMA-B-W0202 User Manual
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DMP263en | 1st Issue rev. 3 | 05/2022
page 27 of 41
No. of Register Bit
Special Input Counter
0
S1
1
S2
Table 22. Resetting counters values
True value of the bit causes continuous resetting of the counter.
Setting the bit to 0 restores normal operation.
7.3.7 Special Input Configuration 1-2 (40151-40152)
These registers are dedicated for the special inputs configuration in accordance with the
following table:
Register Value
Description
0
Off resistance measurement (only measuring the voltage, dry
contact off)
1 (default)
The temperature sensor 10K3A1 NTC B=3975K
2
The temperature sensor 10K4A1 NTC B=3695K
3
The temperature sensor 10K NTC B=3435K Carel
4
The temperature sensor 20K6A1 NTC B=4262K
5
The temperature sensor 2,2K3A1 NTC B=3975K
6
The temperature sensor 3K3A1 NTC B=3975K
7
The temperature sensor 30K6A1 NTC B=4262K
8
The temperature sensor SIE1
9
The temperature sensor TAC1
10
The temperature sensor SAT1
+128 (set 7 bit of register)
Off voltage measurement and fast counters working on 100 Hz
Table 23. Special inputs configuration register
7.3.8 Filter Time of Special Input 1-2 (40159-40160)
The registers contain a time constant of low pass filter value. The value is expressed in
seconds. Valid values are between 1 and 60 seconds.
The default filter value is 2 seconds. Setting 0 disables the filter.