Siemens 6AV6651-7KA01-3AA4 - S7-1200 + KTP400 Basic Starter Kit 6AV6651-7KA01-3AA4 Benutzerhandbuch

Produktcode

6AV6651-7KA01-3AA4

Technical specifications

A.8 RTD and Thermocouple modules

Easy Book
Manual, 03/2014, A5E02486774-AF

323

Table A- 52 Wiring diagrams for the TC SMs

SM 1231 AI 4 x 16 bit TC

SM 1231 AI 8 x 16 bit TC

①

SM 1231 AI 8 TC: For clarity, TC 2, 3, 4, and 5 are not shown connected.

A.8.4

Analog input specifications for RTD and TC (SM and SB)

Table A- 53 Analog inputs for the RTD and TC modules (SB and SM)

Technical data

RTD and Thermocouple (TC)

Number of inputs

1 (SB), 4 or 8 (SM)

Type

•

RTD: Module referenced RTD and Ω

•

TC: Floating TC and mV

Range
•

Nominal range (data word)

•

Overshoot/undershoot range (data word)

•

Overflow/underflow (data word)

See the RTD/TC type tables:
•

•

Resolution

Temperature

0.1 °C / 0.1 °F

Resistance / voltage

15 bits plus sign

Maximum withstand voltage

± 35 V

Noise rejection

85 dB for the selected filter setting

(10 Hz, 50 Hz, 60 Hz or 400 Hz)

Common mode rejection

> 120 dB at 120 VAC

Impedance

≥ 10 MΩ