Eaton Electrical PROFIBUS-DP EZ204-DP - Manual (Page 171)

Read/write function block data
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Table 102: Operand overview
Table 103: Index 0 – Bit IO
Index
(hex) Operand Read Write
00 Bit IO, J Table 103
×
01 Mode/Parameter – –
02 Upper threshold value I1 × c 1
03 Actual value of operating
hours counter
QV
×
1) The value can only be written if it is assigned to a constant in
the program.
Bit 7 6 5 4 3 2 1 0
FB input Data 1 – – – – – – RE 1 EN 2
FB output Data 3 – – – – – – – Q1 3
1) Reset coil: Status 1 resets the counter actual value to zero.
2) Enable coil
3) Status 1 if the setpoint was reached (greater than/equal to)
J
The data for index 2 and 3 is transferred as a 32-bit value in
Intel format (Data 1 – Low Byte to Data 4 – High Byte).