Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 70)

Publication 1760-UM003A-EN-P - September 2005
6-26 Application Examples for Pico
Example:
Data 1 (Byte 4) = 0x01
Meaning:
The values appear in the Parameter menu.
1 2
Instance
(1) 00 – 03 00 – 03
2 3 Index Table 6.49 Table 6.49
3 – 6 4 – 7 Data 1 – 4 depending on
index,Table 6.50 depending on
index,Table 6.50
(1) Pico provides 4 operating hours counters O1 to O4. These can be addressed using the instance (0 – 3).
(2) Possible causes page 6-34
Table 6.49 Operand overview
Index
(hex) Operand Read Write
00 Parameters Table 6.50 x
01 Control byte Table 6.51 x
02 Process variable
S1
(1)
(1) A 32-bit value is transferred in data bytes Data 1 – Data 4. It should be remembered that the Data
1 is the low byte and Data 4 the high byte.
x
c
(2)
(2) The value can only be written if it is assigned to a constant in the program.
03 Counter setpoint 2
S2
2 x c1
Table 6.50 Index 00 – Parameters
Meaning Bit 7 6 5 4 3 2 1 0
Appears in the parameter menu
Yes/no 0/1
Use in the program
Setpoint S1 0/1
Unused bits – – – – – –
Table 6.48 Telegram Structure
Byte Meaning Value (hex), sent by
Master Slave Master Slave