Rockwell-automation 61C542 Voltage Input module Instrukcja Użytkownika Pobierz pdf (Strona 26)

4Ć8

Bit 15 will remain set after a configuration command is received until

bits 12 to 15 of the Configuration Command Register (register 31) are

reset to zero. When bits 12 to 15 of register 31 are reset to zero, the

Voltage Input module resets bit 15 of register 22, which allows you to

enter another configuration command. If you try to enter another

configuration command before bit 15 of register 22 is reset, error

bits 7 and 14 in register 22 will be set.

4.1.9 Channel Number Register (Register 23)

read, or reset. Channel numbers can range from 0 to 15. A channel

number outside of this range will be flagged as an error. If two

channels are to be used as differential inputs, register 23 must

contain the number of the first channel (even number) of the pair;

otherwise, a channel number error will result.

4.1.10 Maximum Scaling Value Register (Register 24)

module uses this value to perform a linear conversion of the input

data (in an unscaled range of -4095 to +4095) into engineering

units. The value in register 24 must be at least 100 greater than the

value in register 25 or a configuration error will result in register 22.

The value in register 24 is a 15Ćbit plus a signĆbit integer (-32768 to

+32767). At system powerĆup, register 24 is set to a value of 4095. If

you want the input value to be in a scaled format, you can change

the value in either registers 24 or 25, or both. If you do not change

the values in registers 24 and 25, the input value is sent to the

appropriate configured channel data register (0 to 15) in an unscaled

format.

4.1.11 Minimum Scaling Value Register (Register 25)

module uses this value to perform a linear conversion of the input

data (in an unscaled range of -4095 to +4095) into engineering

units. The value in register 25 must be at least 100 less than the value

in register 24 or a configuration error will result in register 22. Note

that if the channel is to be configured for unipolar operation (0V to

10V range), the value in register 25 may have to be changed to

reflect input data in the unscaled range of 0 to 4095.

The value in register 25 is a 15Ćbit plus a signĆbit integer (-32768 to

+32767). At system powerĆup, register 25 is set to a value of -4095.

If you want the input value to be in a scaled format, you can change

the value in either registers 24 or 25, or both. If you do not change

the values in registers 24 and 25, the input value is sent to the

appropriate configured channel data register (0 to 15) in an unscaled

format.

4.1.12 Number of Samples Register (Register 26)

averaged together. The module maintains a running average of x"

number of input data samples. The value in the register is a 15Ćbit

signed integer. The default value is one. The maximum allowable

value is 60.

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 67 68

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