Data Interface and Optional Accessories
Page 84
Via PC or Laptop:
With the SIO command “MODBUS” the configurations can be adjusted as
well as the MODBUS RTU protocol can be activated.
A detailed description is available in the user manual for the interface
adapter.
8.2.1.1
MODBUS RTU functions
The EFOY Pro MODBUS protocol is based on following Modbus specifica-
tions:
Modbus application protocol V1.1b3
Specific feature: Type RTC (Real Time Clock)
Use following bit field definition for decoding RTC types (e.g. system time
and date):
struct {
unsigned long second : 6; // seconds 0 to 59
unsigned long minute : 6; // minutes 0 to 59
unsigned long month : 4; // month 1 to 12
unsigned long hour : 5; // hour 0 to 23
unsigned long day : 5; // day 1 to 31
unsigned long year : 6; // year - 2000 (max. 63)
};
Read Device Identification (Function code 0x2B)
Read out system information
Object
ID
Name
Example
Type
0x00
VendorName
SFC Energy AG
STRING
0x01
ProductCode
123456-1234-56789
STRING
0x02
MajorMinorRevision
17.10
STRING
0x03
VendorUrl
http://www.sfc.com/
STRING
0x04
ProductName
EFOY Pro Series
STRING
0x06
UserApplicationName
Firmware EFOY Pro 2400
Duo E-V23 17.10I12V/24V QB
date 2016-11-11
STRING
