SMC Networks EtherCAT EX260-VEC1 - Device Control

-22-
No.DOC1048575-1
5.1.11. Valve protection count (Subindex: 0x0B)
Table 5-12. Valve protection count
Name
Set value [dec]
Default
Description
Valve
protection
count
0...100
10
Set Enable/Disable valve protection function and its number of times.
The valve protection functions are described below.
During operation of energy saving function, if the switching of vacuum
generate/stop has reached set number of times, stop subsequent energy
saving function and diagnostic information is issued.
If the value is set to 0, valve protection function is invalid and energy saving
function continues to operate.
NOTE
 Energy saving function stopped by the valve protection function is restored by restarting the SI Unit or
by valve protection release (refer to Section 5.2.2).
5.2. Device Control
5.2.1. Zero clear (Index: 0xF200)
Table 5-13. Zero clear
Name
Set value [Enum]
Default
Description
Zero clear
No zero clear request (0)
Zero clear request (1)
Zero clear reset request (2)
No zero clear request
Adjusts pressure value to 0 kPa at
atmospheric pressure.
Writing "Zero clear reset request" resets the
zero clear adjustment value made by "Zero
clear request".
5.2.2. Valve protection release (Index: 0xF201)
Table 5-14. Valve protection release
Name
Set value [Enum]
Default
Description
Valve
protection
release
No valve protection release
request (0)
Valve protection release
request (1)
No valve protection release
request
Release of valve protection function and
resume energy saving function.
Refer to Section 5.1.11.
NOTE
 Zero clear, zero clear reset and valve protection release are performed for all CHs at once.
 Zero clear request, zero clear reset request and valve protection release are only processed when the
write value changes from 0x00 to 0x01 or 0x00 to 0x02.
For this reason, write 0x00 once for the second and subsequent request.