Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 71)

Publication 1760-UM003A-EN-P - September 2005
Application Examples for Pico 6-27
Example:
Index 02/03
Transferred values:Data 1 0x21
Data 2 0x23
Data 3 0x40
Data 4 0x00
Resulting value: 00402321
hex
= 4203297
dec
Timing relays: T1 – T16
Table 6.51 Index 01 – Control byte
Data 1 Bit 7 6 5 4 3 2 1 0
FB output – – – – –
RE
(1)
(1) Reset, the timing relay is reset (reset coil)
EN
(2)
(2) Enable, the timing relay is started (trigger coil)
Q1
(3)
(3) Switch contact
Table 6.52 Telegram Structure
Byte Meaning Value (hex), sent by
Master Slave Master Slave
Attribute ID
Read 89 –
Write 8D –
0 Response:
Read successful – C2
Write successful – C1
Command rejected –
C0
(2)
(2) Possible causes page 6-34
0 1 Type 8E 8E
1 2
Instance
(1)
(1) Pico provides 16 timing relays T1 to T16 for use as required. These can be addressed using the instance (0 – F).
00 – 0F 00 – 0F
2 3 Index Table 6.53 Table 6.53
3 – 6 4 – 7 Data 1 – 4 depending on
index,Table 6.54 depending on
index,Table 6.54