Siemens 505-2571 Specifications download pdf (Page 24)

2556, 2557

2556 16-Channel Isolated Thermocouple

Input Module

The 2556 is a high-speed 16-channel isolated

thermocouple input module compatible with the CTI

2500 Series or Simatic

505 I/O base. The 2556

translates millivolt level signals from the thermo-

couple element into a scaled temperature value.

Multiple thermocouple types are supported as well

as millivolt inputs.

Features:

 Replaces Siemens

505-2556

 16 bit ADC for each channel

 Supports J, K, R, S, T, E, and L thermocouples

and millivolt inputs

 Advanced preprocessing with on-board scaling,

alarm detection, filtering and averaging

 Fast 20 mSec update time, open thermocouple

detection

2556, 2557

2557 16-Channel RTD Input Module

The 2557 is a high-speed 16-channel isolated RTD

input module compatible with the CTI 2500 Series or

Simatic

505 I/O base. The 2557 translates millivolt

level signals from the RTD element into a scaled

temperature value.

Features:

 Replaces Siemens

505-2557

 16 bit ADC for each channel

 Supports 10Ω Cu, 100Ω Pt, and 120Ω Ni RTDs

and millivolt inputs

 Advanced preprocessing with on-board scaling,

alarm detection, filtering and averaging

 Fast 20 mSec update time, open RTD detection

and lead resistance compensation

 Support for 2, 3, or 4 wire RTD elements

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Siemens 505-2571 Specifications Page 24