User Manual

Siemens Building Technologies PROFIBUS DP/P-bus link
Building Automation User's guide 4-5
4.2.2 Analog measuring ranges
Voltage/current measuring range
SIMATIC S7
PTM1.2U
10
PTM1.2I25
PTM1.2I42
0
Measured
value in %
Deci-
mal
Hex. 0 to 10V
0 to 1 V/20mA
(with shunt)
4 to 20 mA
Range
118,515 32767 7FFF
113,972 31511 7B17 >11,397 >1,1397V
>22,24mA
>22,24mA
Overflow, error
113,968 31510 7B16 11,397 1,1397V
22,24mA
22,24mA
100,004 27649 6C01 >10 >1V
>20mA
>20mA
Overshoot range
100 27648 6C00 10 1V
20mA
20mA
0 0 0 0 0V
0mA
4mA
Nominal range
-0,004 -1 FFFF <0 <0V
<0mA
<4mA
-14,001 -3871 F0E1 -1,4 -0,14V 1,76mA
Undershoot range
-14,005 -3872 F0E0 <-1,4 <-0,14V
-118,519 -32768 8000
Overflow, error
Tab. 4-2: Voltage/current measuring ranges
SIMATIC S7 PTM1.2R1K/4R1K
Decimal Hex. Ohms
L&S Ni1000
air conditioning
range in °C
(1 digit = 0.01 K)
Range
32767 7FFF >150.01
15001 3A99 150.01
Overflow, error
15000 3A98 1987 150
-5000 EC78 743 -50
Nominal range
-5001 EC77 -49.99
-32768 8000 <-49.99
Overflow, error
Tab. 4-3: L&S Ni1000 measuring ranges