Omron 3G8F7-CRM21, Руководство пользователя

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134
Shared Memory Area Specifications
Section B-3
Event Area (BD
→
PC)
This is the area in which to store an explicit response message for the explicit
request message.
Data format
Offset address: 0x3600
Detailed format
End code (MRES/SRES)
Offset
(Word)
Bit
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
+0 Byte length size after 1 (2 to 542)
+1 Reserved (0x00) SID
+2 0x02 0x28
+3 SRES MRES
+4 Low of Byte length size after a node
address with attributes
High of Byte length size after a node
address with attributes
+5 Low of Node address with attributes High of Node address with attributes
+6 Low of ServiceCode High of ServiceCode
+7 ServiceData[1] ServiceData[0]
to to to
+272 ServiceData [531] ServiceData [530]
Name Access Description
SID Read/Write It stores the SID set by an explicit request
message.
MRES
(End code) Read/Write It stores the corresponding error code when an
error occurs. Stores 0x00 during the normal
state.
SRES
(End code) Read/Write It stores the corresponding detailed errorcode
when an error occurs. Stores 0x00 during the
normal state.
Byte length size after
a node address with
attributes Read/Write It stores the byte size after the node address
with attributes. (8 to 542)
Node address with
attributes Read/Write It stores the node address with attributes of the
responder.
See the previous pages for the node address
with attributes.
ServiceCode Read/Write This specifies the service code defined by an
explicit message.
Settable range: 0x0000 to 0x00FF
ServiceData Read/Write It stores the data defined by the service code.
Effective byte size: 0 to 532
End code (hex) Description
MRES SRES
00 00 Normal end
01 01 The destination has not participated.
02 05 The counterpart station does not respond: the monitoring
timer has timed out.
10 01 The command exceeds the maximum length.
10 02 The command is shorter than the minimum length.