User parameters

• R32: Feature register

[0x0106]

The feature register specifies the terminal's operating mode.

Feature bit no.

 

Description of the operating mode

Bit 0

1

User scaling (R33, R44) active [0]

Bit 1

1

Manufacturer scaling (R19, R20) active [1]

Bit 2

1

Watchdog timer active [1]

In the delivery state, the watchdog timer is switched on.

Bit 3

1

Sign / amount representation [0]

Sign / amount representation is active instead of two's-complement representation
(-1 = 0x8001).

Bit 4

1

Siemens output format [0]

This bit is used for inserting status information on the lowest 3 bits (see below).

Bit 5,6

-

reserved, do not change

Bit 7

1

Activates filter constant in R37 [0]

Bit 8

1

Over range Protection [1]

If the temperature exceeds 850°C the status bits are correspondingly set and the output value is restricted to 850°C.

Bit 9

-

reserved, do not change

Bit 10

1

Two-wire connection [0]

Bit 11

-

reserved, do not change

Bit

15,14,13,12


Element


Valid measuring range

0 0 0 0

PT100

-200°C to 850°C

0 0 0 1

NI100

-60°C to 250°C

0 0 1 0

PT1000

-200°C to 850°C

0 0 1 1

PT500

-200°C to 850°C

0 1 0 0

PT200

-200° C to 850°C

0 1 0 1

NI1000

-200°C to 850°C

0 1 1 0

NI120

-80°C to 320°C

1 1 1 0

Output in Ω

10.0 Ω to 5000.0 Ω

1 1 1 1

Output in Ω

10.0 Ω to 1200.0 Ω