Yokogawa FieldMate Manual do Utilizador descarregar pdf (Página 259)

100

101

  <IISA100deviceconguration>

I-5

IM 01R01A01-01E 9th Edition : May 31, 2013-00

I020302E.ai

Figure I-2-4 Advanced Setting

 Number of communication devices

Sets the maximum number of ISA100 devices to simultaneously communicate with.

Setting value: 1, 5, 10 (default), 20, 50

 Communication time out

Sets the maximum time to wait for communication response

When the set time elapses without any response, communication with devices is terminated.

Setting value: 30 sec, 60 sec (default), 120 sec, 240 sec

 Cache function

When this function is checked and the gateway to be communicated with has any values in

cache, FieldMate does not start to communicate with devices and displays the cached values on

Segment Viewer.

The cache function is provided in the YFGW410 gateway but not in the YFGW710.

Therefore, even if this function is checked, it is not enabled during communication with the

YFGW710.

Table I-2-1 shows the parameters corresponding to each cache and the timing of caching.

Table I-2-1 Cache Function

Model information Device status

Corresponding

parameter

Vendor

Model

Device Revision

Status Display

Timing of caching

When an ISA100 device is joined to

thegatewayandthecongurationis

completed

At every time set in Read Parameters for

each device

Setting value default : OFF

1 2 ... 254 255 256 257 258 259 260 261 262 263 264 ... 383 384

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