00193786-02 - 第107页
S I P L A C E G EM S W V e r s i on G EM 505 . 03 SP 1 H O S T I n t e r f a c e M anua l ©S i e m en s A G, a ll r i gh t s r e s e r v ed page 107 o f 241

SIPLACE GEM SW Version GEM 505.03 SP1 HOST Interface Manual
Page 106 of 241 ©Siemens AG, all rights reserved
The Host may undefine all limits for a specific VID:
S2F45 W * H -> E
<L [2]
<U4 DATAID>
<L
<L [2]
<U4 VID>
<L>
>
...
>
> .
The Host may undefine a specific limit for a specific VID:
S2F45 W * H -> E
<L [2]
<U4 DATAID>
<L
<L [2]
<U4 VID>
<L
<L [2]
<B [1] LIMITID>
<L>
>
>
...
>
...
>
> .
4.4.32 S2F46 - Variable Limit Attribute Acknowledge{XE
"S4F46"}
This message acknowledges the successful setting of limits as defined in the Host-
generated S2F45.
S4F46 * H <- E
<L [2]
<B [1] * VLAACK
<L>
> .

SIPLACE GEM SW Version GEM 505.03 SP1 HOST Interface Manual
©Siemens AG, all rights reserved page 107 of 241

SIPLACE GEM SW Version GEM 505.03 SP1 HOST Interface Manual
Page 108 of 241 ©Siemens AG, all rights reserved
If any of the limits proposed in S4F45 are invalid, all limits for all variables in this
message are rejected. The following message is sent in the event of an error:
S4F46 * H <- E
<L [2]
<B [1] VLAACK>
<L
<L [3]
<U4 VID>
<B [1] 0x00> * LVACK
<L [2]
<B [1] LIMITID>
<B [1] LIMITACK>
>
>
...
>
> .
Data item VLAACK reports to the Host the status of the request to define limits for the
requested variables.
{XE
„VLAACK“}V
LAACK
Description
0x00 OK. Limits successfully defined.
0x01 Limit attribute definition error.