Rockwell Automation 1760-DNET Pico DeviceNet Communications Module User Manual - Manual (Page 114)

Publication 1760-UM003A-EN-P - September 2005
7-34 Pico GFX Control Commands
Table 6.126 Operand overview
Inde
x
(hex) Operand Value read write
00 Bit IO Table 6.127 x
01 Mode/Parameter – – –
02 Upper setpoint SH In integer range from
–2147483648 to
+2147483647 x
c
(1)
(1) The value can only be written if it is assigned to a constant in the program.
03 Lower setpoint SL x
c
1
04 Preset actual value SV x
c 1
05 Actual value in Run
mode QV x
TIP
The data for index 2 to 5 is transferred as a 32-bit
value in Intel format (Data 1 – Low Byte to Data 4 –
High Byte).
Table 6.127 Index 0 – Bit IO
Bit 7 6 5 4 3 2 1 0
FB input Data 1 – – – –
EN
(1)
(1) Counter enable
SE
(3)
(3) Transfer preset actual value on rising edge
D
(5)
(5) Count direction: 0 = up counting, 1 = down counting
RE
(7)
(7) Reset actual value to zero
FB output Data 3 – – – –
ZE
(2)
(2) Zero: Status 1 if the value of the function block output QV (the counter status) equals zero
CY
(4)
(4) Carry: Status 1 if the value range is exceeded
FB
(6)
(6) Fall below: Status 1 if the actual value F lower setpoint
OF
(8)
(8) Overflow: Status 1 if the actual value f lower setpoint