EFOY Pro 12000 Duo Operation And Installation Manual page 82

Data Interface and Optional Accessories
8.2.1.1 MODBUS RTU functions
The EFOY Pro MODBUS protocol is based on following Modbus
specifications:
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
unsigned long hour
unsigned long day
unsigned long year
};
Read Device Identification (Function code 0x2B)
Read out system information
Object Name
ID
0x00 VendorName
0x01 ProductCode
0x02 MajorMinorRevision
0x03 VendorUrl
0x04 ProductName
0x06 UserApplicationName
Input Register (Function code 0x04)
Address Name
30001 Tst
30005 Twt
30007 Tdcdc
30009 Tpcb
30011 Tres
30013 Taux
30015 Ubat
: 4; // month 1 to 12
: 5; // hour 0 to 23
: 5; // day 1 to 31
: 6; // year - 2000 (max. 63)
Example
SFC Energy AG
400100-1525-00001
19.08
http://www.sfc.com/
EFOY Pro Series
Firmware EFOY Pro 12000
Duo V01 19.08I24V/48V QB
date 2016-03-24
Description
Stack temperature
Heat exchanger temperature
Periphery temperature
Periphery temperature
Periphery temperature
Reservoir temperature
Battery voltage
Type
STRING
STRING
STRING
STRING
STRING
STRING
Unit Multiplier Type
°C 0.001
INT32
°C 0.001
INT32
°C 0.001
INT32
°C 0.001
INT32
°C 0.001
INT32
°C 0.001 INT32
V 0.001
UINT16
Page 81