User Documentation

134
Devices – Energy Analyser D550
2008050000/03/02-2018
INFOBEREICH
Die Angabe „MatNr/Version/Datum“ bzw. „1234560000/00/MM.YY“ ist als Textvariable deniert
und kann nur auf der „Rueckseite“ editiert werden. Die Textvariable erscheint in allen Doku-
menten dieses Buches, sobald eine Synchronisierung des gesamten Buches(!) durchgeführt
wird. ACHTUNG Die „Rueckseite” muss als Formatquelle(!) ausgewählt sein!
can write new contents to a group of 4XXXX registers, and then return the contents of another group of
4XXXX registers. Broadcast is not supported.
Energy Analyser D550 supports the following Modbus functions as slave:
• 03 Read Holding Registers
Reads the binary contents of holding registers (4X references) in the slave.
• 04 Read Input Registers
Reads the binary contents of input registers (3X references) in the slave.
• 06 Preset Single Register
Presets a value into a single holding register (4X reference). When broadcast, the function presets the
same register reference in all attached slaves.
• 16 (10Hex) Preset Multiple Registers
Presets values into a sequence of holding registers (4X references). When broadcast, the function pre-
sets the same register references in all attached slaves.
• 23 (17Hex) Read/Write 4X Registers
Performs a combination of one read and one write operation in a single Modbus transaction. The function
can write new contents to a group of 4XXXX registers, and then return the contents of another group of
4XXXX registers. Broadcast is not supported.
4.3.7 Security
4.3.7.1 File permissions
• Read and write permissions are identical and depend on the login (FTP).
• Readpermissionsfordatalesandlogscanbecongured.
• ADMINISTRATORS can write and delete.
4.3.7.2 Directory permissions
Directories created by the system cannot be deleted.
• /
This can be read by GUESTS and written and deleted by the SYSTEM.
• /data
This and the subdirectories can be read by the USER and written and deleted by the SYSTEM.
• /sys
This and the subdirectories can be read by the USER and written and deleted by ADMIN.
• /basic
This and the subdirectories can be read by the USER and written and deleted by USER.
• /http
This and the subdirectories can be read by the GUEST and written and deleted by USER.