MKS EtherCAT 390 Series, User Instruction Manual

Page: 26 / 42

22 EtherCAT
®
Communication Protocol Manual
– p/n 20018109-001 Rev. B
18 SDP and CDP Device Specific Outputs
Not used.
19 SDP and CDP Device Specific Configuration Data
Table 19: SDP and CDP Device Specific Configuration Data Objects
Index Sub-
Index
Data Type Backup(B)/
Save(S)?
Access PDO
Assignable?
Name Description
0xF840 Configuration Device Device Configuration
0x01 UDINT B/S RW Data Units 0x00220000: Pascal
0xFD4E0000: millibar
0x00A10000: Torr
0x03 USINT B/S RW Data Units Enum 1: Pascal
4: millibar
5: Torr
0xF940 Information Device
0x01 UDINT RO Measurement Principle Measurement principle assigned to the object instance. The
most significant nibble of the parameter represents the
sensor type of the first module, the second nibble
corresponds to the second module, and so forth.
2=piezo
3=heat transfer
4= hot cathode
0x02 USINT RO Number of sensors Number of pressure sensors in this device
2: Heat Transfer
3: Hot Cathode
0xFF: Unknown (error)
0xF641 Trip Point Output All Status of Trip Point instances
0x01 UDINT RO TX Trip Point Output All Instance Bit 0: Status High Trip (600E:01)
Bit 1: Status Low Trip (600E:02)
Bit 2: Status High Trip (600F:01)
Bit 3: Status Low Trip (600F:02)
Bit 4..31 0: Unused
0xF6F0 Input Latch Local Timestamp Local controller time corresponding to the input latch time in
microseconds, starting at zero on device power-up.
0x01 UDINT RO TX Latch time for Absolute Piezo
0x02 UDINT RO TX Latch time for Differential Piezo
0x03 UDINT RO TX No inputs defined for Heat Transfer. Always reports 0.
0x04 UDINT RO TX Latch time for Hot Cathode