Omron NE1A-EDR01 - Page 67

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Sample Ladder Programs Section 4-5
Status Monitor
Processing
This section provides, in order, the sample programs for acquiring NE1A-
SCPU01-V1 and DST1-ID12SL-1 safety input monitor data.
Example: Monitoring
NE1A-SCPU01-V1 Safety
Input Terminals
The settings for acquiring the safety input monitor data are shown here.
■ Request Message Contents
■ Fixed Buffer Data Arrangement (Memory Maps)
The settings are shown here for communications (no protocol) using fixed
buffers, with Fixed Buffer No. 2 used for request messages and Fixed Buffer
No. 1 used for response messages.
Fixed Buffer No. 2: BUFSND Instruction Area
Fixed Buffer No. 1: BUFRCV Instruction Area
Item Setting
Target Node 01 hex
Service Code 4B hex
Class ID 306 hex
Instance ID 01 hex
Request data
(Attribute ID)
00000002 hex
Address 15 8 7 0 Remarks
D300 00 hex 10 hex Send data length
D301 00 hex FF hex Send data (message sequence number)
D302 00 hex 00 hex Send data (timeout monitor time)
D303 00 hex 0A hex Send data (data size)
D304 4B hex 01 hex Send data (node address, service code)
D305 03 hex 06 hex Send data (class ID)
D306 00 hex 01 hex Send data (instance ID)
D307 00 hex 00 hex Send data (request data (offset address))
D308 00 hex 02 hex Send data (request data (data size))
Address 15 8 7 0 Remarks
D500 00 hex 08 hex Receive data length
D301 00 hex FF hex Receive data (message sequence num-
ber)
D302 00 hex 04 hex Receive data (data size)
D303 CB hex 01 hex Receive data (node address, service
code)
D304 ** ** Receive data (data)