MKS MF1 - Process Data Objects (PDO) Protocol; Protocol

Chapter 5: Process Interfaces
89
EtherCAT Interface
Off Link not sensed (or no power)
Green Link sensed, no traffic detected
Green, flickering Link sensed, traffic detected
Green Sensor OK
Flashing red Power too low
Blue Pure USB operation
Flashing red & green Self Test or Boot
SI
Flashing blue Shows Seconds for AUTOZERO button
Off No flow
Flashing blue Flow Indicator: Flashes proportional to actual flow
FL
Blue on 100% Flow
Protocol
The MF1 with EtherCAT interface supports the CAN application layer over EtherCAT (CoE)
protocol and the Process Data Objects (PDO) protocol.
Data Format
Data Type Bit
Size
Comment
USINT 8 Unsigned short integer
UINT 16 Unsigned integer
UDINT 32 Unsigned double integer
DINT 32 Double integer
REAL 32 Real / 32 bit float
STRING(n) 8 * 2 String; n= length
Process Data Objects (PDO) protocol
TxPdo (0x1A00) - Available TxPDOs of the MF1
Name Index SubIndex DataType
HighLimitAlarm 0x34ec 0 USINT
LowLimitAlarm 0x34ed 0 USINT
SystemError 0x34ee 0 USINT
High2LimitAlarm 0x34ef 0 USINT
Low2LimitAlarm 0x34f0 0 USINT
ValveClosed 0x34f1 0 USINT
Purge 0x34f2 0 USINT