24
EtherCAT
®
Communication Protocol Manual
– p/n 20018109-001 Rev. B
Index
Sub-
Index
Data Type
Backup(B)/
Save(S)?
Access
PDO
Assignable?
Name
Description
0x04
USINT
RW
RX/TX
Hot Cathode Ion
0xF9F6
UDINT
RO
TX
Time since power on
Time since device has been powered on in seconds.
0xF9F7
UDINT
RO
TX
Total time powered
Total time device has received power in seconds. It persists
through power cycle.
0xF9F8
UDINT
RO
Firmware Update Functional
Generation Number
Firmware Update Functional Generation Number supported
by the device.
21
SDP and CDP Device Specific Diagnosis Data
Not Used.
22
SDP and CDP Command Objects
Contains Calibration, Emission On/Off, Degas On/Off, and Reset functions.
Table 21: SDP and CDP Command Objects
Index
Sub-
Index
Data Type
Backup(B)/
Save(S)?
Access
PDO
Assignable?
Name
Description
0xFB40
Zero Adjust
Execution of this command will start a Zero Adjust operation.
0x01
ARRAY
[0..5] OF
BYTE
RW
Command
Byte 0
:
0: Zero Adjust with no offset
1: Zero adjust with zero offset
Other values not supported.
Byte 1
: Index of the Sub Sensor Instance.
1: Differential Piezo - byte 0 must be 0x01
2: Heat Transfer byte
– byte 0 must be 0x00
Other values not supported
Bytes 2-5
: Always 0
0x02
USINT
RO
Status
0: Last command completed, no errors, no reply available
1: Last command completed, no errors, reply available
2: Last command completed, errors present, no reply
available
3: Last command completed, errors present, reply available
255: Command is executing