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Updated EPL Network Flags and Parameters

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Supplement to ACR User Guide- Supersedes ACR Parameter and Bit Reference  88-025605-01H  10/2010

 Products: ACR9000,9030,9040,9600,9630,9640

Operating System Features Added
   
ACR90xx 1.28/IEC96xx 2.28

P37378-37383

Bit 2-3,18-19

 

Bit16640--Bit16660 EPL Network Flags
                 
Code-0xD2; Index=0x00   P4616  
EPL Network Control Parameters Bit Index Bit Number
Start Network 0 16640  
Reset Network 1 16641
SDO Send Request 2 16642
SDO Read Request 3 16643
Reserved 4-7 16644-16647
EPL Controller Installed 8 16648
Network Operational 9 16649
Network Start Failed 10 16650
EPL Node Failure 11 16651
EPLD Stream Open 12 16652
EPLD Stream Disconnected 13 16653
EPL Drive(s) Enabled 14 16654
Insufficient Period 15 16655
Starting Network 16 16656
Resetting Network 17 16657
Writing SDO Data 18 16658
Reading SDO Data 19 16659
Opening EPLD Stream 20 16660
                 
Field Description Read/Write Description
Start Network R/W Set the bit to start the EPL network. The Managing Node (MN) places the Controlled Nodes (CN) into a pre-operational state, configures the CNs, then places the CNs into an operational state. The bit is self-clearing.
Reset Network R/W Set the bit to reset the EPL network to a non-operational state. The bit is self-clearing.
SDO Send Request R/W Setting the bit sends SDO data specified in P37378-37381. The bit is self-clearing.
SDO Read Request R/W Setting the bit reads SDO data specified in P37378-37381. The bit is self-clearing.
EPL Controller Installed R EPL controller card has been detected.
Network Operational R The EPL controller is exchanging data with the drives.
Network Start Failed R An attempt to start the network using bit 16640 has failed. To determine why the attempt failed, look at P37384-P37386.
EPL Node Failure R An individual EPL node has failed. To determine which node failed, look at P37385
EPLD Stream Open R An EPLD stream is open (using the OPEN command). To determine which EPL drive is communicating, and its device number, look at P37387 and P37388
EPLD Stream Disconnected R Set when an unexpected disconnection with an EPL drive occurs. The controller automatically closes the EPL communication stream.
The bit remains set until the user clears it, or another OPEN EPLD command is sent to the same drive to reestablish communication.
EPL Drive(s) Enabled R The controller will not allow the network to be started or reset if any of the EPL drives are enabled.
Insufficient Period R Set when the period is too low. Network will not start.
Starting Network R Indicates that a network start is underway.
Resetting Network R Indicates that a network reset is underway.
Writing SDO Data R Indicates that a SDO write is in process.
Reading SDO Data R Indicates that a SDO read is in process.
Opening EPLD Stream R Indicates that the process of opening an EPLD stream is underway.

 

P37376 - P37391 EPL Network Parameters 
                 
Code-0xD2; Index=0x00                
EPL Network Control Parameters Data Type  P  
Number of controlled nodes (CN) Long 37376
Reserved Long 37377
Node ID for SDO transfer Long 37378
Index # for SDO transfer Long 37379
Sub-index # for SDO transfer Long 37380
Type of data for/from SDO transfer Long 37381
Expected length (bytes) of transfer Long 37382
Actual length (bytes) of completed transfer Long 37383
                 
Field Description Read/Write Description
Number of Controlled Nodes (CN) R/W Sets the number EPL drives (called controlled nodes) in the network. Saved via ESAVE command
Node ID for SDO transfer R/W Specifies the Node ID of the device targeted for subsequent SDO transfers
Index # for SDO transfer R/W Index number of the Object Dictionary entry to be read/written. Must be integer value
Sub-index # for SDO transfer R/W Sub-Index number of the Object Dictionary entry to be read/written. Must be integer value
Type of data for/from SDO transfer R/W EPL DataType of Object to be transferred
1 : Boolean  (1 byte)
2 : 8 bit intetger (1 byte)
3 : 16 bit integer ( 2 bytes)
4 : 32 bit integer (4 bytes)
5 : 8 bit unsigned (1 byte)
6 : 16 bit unsigned ( 2 bytes)
7 : 32 bit unsigned (4 bytes)
8 : Float (4 bytes)
9 : String (Visible or Octet, variable length)
Expected length (bytes) of transfer R/W For string data types only, parameter indicates expected length in bytes of the data to be transferred
Actual length (bytes) of completed transfer R Number of bytes exchanged in last SDO transfer 
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