National Instruments FP-AI-112 User Manual download pdf (Page 7)

(number of input ranges with 60 Hz filter) × 0.10 s +

(number of channels with 500 Hz filter) × 0.007 s +

(number of input ranges with 500 Hz filter) × 0.012 s + 0.16 s

= Update Period

For the fastest performance, configure all unused channels for the

500 Hz filter setting and for an input range in use on one or more

other channels with the 500 Hz filter setting. For example, if

10 channels are configured for 0–10 V input and 500 Hz, four

channels are configured for 0–5 V and 60 Hz, and two channels

are unconnected, use the FieldPoint software to configure the

unconnected channels for 0–10 V input and 500 Hz filter setting.

Some combinations of two input ranges count as only one range for

calculating update rates. Those combinations are ±60 mV and

±300 mV; 0–1 V and 0–5 V; and ±1 V and ±5V.

The update rate does not affect the rate at which the network

module reads the data. Set up your application so that the update

rate is faster than the rate at which the network module polls the

[c]FP-AI-112 for data.

Status Indicators

The [c]FP-AI-112 has two green status LEDs, POWER and

READY. After you insert the [c]FP-AI-112 into a terminal base or

backplane and apply power to the connected network module, the

green POWER indicator lights and the [c]FP-AI-112 informs the

network module of its presence. When the network module

recognizes the [c]FP-AI-112, it sends initial configuration

information to the [c]FP-AI-112. After the [c]FP-AI-112 receives

this initial information, the green READY indicator lights and the

module is in normal operating mode.

Upgrading the FieldPoint Firmware

You may need to upgrade the FieldPoint firmware when you add

new I/O modules to the FieldPoint system. For information on

determining which firmware you need and how to upgrade your

firmware, go to

ni.com/info and enter fpmatrix.

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National Instruments FP-AI-112 User Manual Page 7