Spectrum-controls 1734sc-IE2CH Manuel d'utilisateur télécharger pdf (Page 35)

Chapter 3: Configuring the 1734sc-IExCH for RSLogix 5000 3-13

User’s Manual Pub. 0300257-01 Rev. A

Alarm Disable

0: Process alarms enabled for associated channel.

1: Process alarms disabled for associated channel.

Enable HART Communication

0: Disable HART communication on associated channel.

1: Enable HART communication on associated channel.

3.5.2 Analog Notch Filter

The analog notch filter selection affects how the module attenuates the input signal at the

specified frequency. It also affects the update time of the input data which is reflected in

the minimum real time sample (RTS) rate that is available.

Table 3-3 (Analog Filter)

Notch Filter Selection

50/60Hz

50Hz

60Hz

100Hz

120Hz

240Hz

480Hz

Tag Value

1 2 3 4 5 6 7

Filter Setting 96 96 80 48 40 20 10

Settling Time

(ms)

60 60 50 30 25 12.5 6.25

4 Channel

Sample Time

(RTS msec)

248 248 208 128 108 58 33

2 Channel

Sample Time

(RTS msec)

128 128 108 68 58 33 21

One setting applies to all channels in the module.

Value Units: NA

Value Limits: 1-7 (see Table 3-3 above)

3.5.3 RTS (Real Time Sample)

This parameter instructs the module how often to scan its input channels and obtain new

sampled data. After the channels are scanned, the module broadcasts that data over the

backplane.

Value Units: Milliseconds

Value Limits: 21-10,000 for IE2CH or 33 – 10,000 for IE4CH, actual minimum allowed

is based upon Module Filter selection Each module Filter selection will limit the

minimum value allowed, see Table 3-3.

1 2 ... 30 31 32 33 34 35 36 37 38 39 40 ... 83 84

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