00193786-01 - 第107页
SIPLACE GEM SW Version GEM 505.01 HOST Interface Manual ©Siemens AG, all rights reserved page 107 of 236 If the Host requests the limits for a specific va riable which is eligible for limits monitoring but does not have …
SIPLACE GEM SW Version GEM 505.01 HOST Interface Manual
Page 106 of 236 ©Siemens AG, all rights reserved
4.4.34 S2F48 - Variable Limit Attributes Send
S2F48 * H <- E
<L
<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
<L [2]
<U4 VID> * Variable ID
<L> * Not eligible for Limits
>
...
> .
SIPLACE GEM SW Version GEM 505.01
HOST Interface Manual
©Siemens AG, all rights reserved page 107 of 236
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
<L [2]
<U4 VID> * Variable ID
<L [4]
<A UNITS> * Units of Measure
<LIMITMIN> * Minimum Limit
<LIMITMAX> * Maximum Limit
<L> * No Limits Defined
>
>
...
> .
SIPLACE GEM SW Version GEM 505.01 HOST Interface Manual
Page 108 of 236 ©Siemens AG, all rights reserved
4.5 Stream 3
not used