00191134-03 - 第96页

GEM for SIPLACE V5.01 Page 96 of 252 ©Siemens AG, all rights reserved If the Host r equests the lim its for a s pecific variable which is eligible f or lim its m onitoring but does not have any limits def ined, this vari…

GEM for SIPLACE V5.01

 6)9DULDEOH/LPLW$WWULEXWHV6HQG

S2F48 * H <- E

<L [2]

<U4 VID> * Variable ID

<L [4]

<A UNITS> * Units of Measure

<LIMITMIN> * Minimum Limit

<LIMITMAX> * Maximum Limit

<L * Up to 7 Possible

<L [3]

<B [1] LIMITID> * Limit ID

<UPPERDB> * Upper Deadband

<LOWERDB> * Lower Deadband

...

> .

The Equipment sends this message in response to a Host S2F47 and reports the

characteristics of limits for specified variables. In response to a request from the Host for

all limits for all variables, only variables with limits defined are reported. If the Host

requests specific variables which are not eligible for limits monitoring, the following

message will be reported for that variable:

S2F48 * H <- E

<L [2]

<U4 VID> * Variable ID

<L> * Not eligible for Limits

...

> .

GEM for SIPLACE V5.01

If the Host requests the limits for a specific variable which is eligible for limits monitoring

but does not have any limits defined, this variable will be reported as follows:

S2F48 * H <- E

<L [2]

<U4 VID> * Variable ID

<L [4]

<A UNITS> * Units of Measure

<LIMITMIN> * Minimum Limit

<LIMITMAX> * Maximum Limit

<L> * No Limits Defined

...

> .

GEM for SIPLACE V5.01

 6WUHDP

not used