Siemens 505-2557 Manual Do Utilizador
Description
1-6
SIMATIC 505–2557 Installation and Operation Guide
RTD Input to Digital Conversion (continued)
Figure 1-5
Effect of Voltage Input - 10 Ohm Copper
Millivolt inputs exceeding 103.04 millivolts will cause the overrange bit to
be set. A reading of 103.05 millivolts will be returned for any positive
overrange input.
be set. A reading of 103.05 millivolts will be returned for any positive
overrange input.
Similarly a millivolt input below 0 millivolts will cause the underrange bit
to be set. A reading of 1 millivolt will be returned for any negative
underrange input.
to be set. A reading of 1 millivolt will be returned for any negative
underrange input.
Figure 1-6
Effect of Voltage Input - Millivolts