Holding Register
Addresses
Data
Type
Data Content
Parameter
Name
Read/Write
Permission
Setpoint
value
Setpoint
value for
upper limit
Upper level alarm
Setpoint
value for
lower limit
Lower level alarm
Offset cooling value
Cooling differential
Alarm differential
Defrost stopping temperature
Compressor output ON-state time duration in case of probe failure.
The time between 2 consecutive defrosts.
5Et
R2
A4
R1
A1
o1
R0
A3
d2
F1
F4
i5
i3
C0
C2
C5
C4
d3
d0
d9
d7
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Data
Type
Measured ambient, temperature value (°C / °F)
*
Holding and Input Register parameters of type integer, those “signed integer” is defined as the decimal port of and associated with these parameters. (So,”14.0” is a
parameter value of “140” will be read in). Relevant parameters for a period of “mm:ss” type ones in seconds, ”hh:mm” while those species defined in minutes.
Compressor output status (0=OFF; 1=ON)
Coil
Addresses
Decimal
Hex
Data
Type
00d
0x00
Bit
1.4 COILS
01d
0x01
Bit
Temperature unit. OFF =
°
C
, ON =
°
F
P2
02d
0x02
Bit
Decimal point . OFF=
no
, ON=
YE5
P1
03d
0x03
Bit
Digital input polarity. OFF =
cL
, ON =
oP
i1
04d
0x04
Bit
Smart Defrost selection. OFF =
n
o
, ON=
YE5
d8
Defrost type selection OFF =
ELC
, ON =
GAS
d6
05d
0x05
Bit
06d
0x06
Bit
d4
07d
0x07
Bit
d1
Data Content
Read/Write
Permission
Parameter
Name
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Dripping (discharge) time
Read / Write
d5
Decimal
Hex
0000d
0001d
0002d
0003d
0004d
0005d
0006d
0007d
0008d
0009d
0010d
0011d
0012d
0013d
0014d
0015d
0016d
0017d
0018d
0019d
0021d
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
0x0006
0x0007
0x0008
0x0009
0x000A
0x000B
0x000C
0x000D
0x000E
0x000F
0x0010
0x0011
0x0012
0x0013
0x0015
word
word
word
word
word
word
word
word
word
word
word
word
word
word
word
word
word
word
word
word
word
1.1 HOLDING REGISTERS
Input Register
Addresses
Decimal
Hex
1.2 INPUT REGISTERS
0000d
0x0000
word
--
Discrate Inputs
Addresses
Decimal
Hex
1.3 DISCRATE INPUTS
0000d
0x0000
bit
--
word
0x0014
0020d
0001d
0x0001
bit
--
ENDA EDT3423A DIGITAL THERMOSTAT MODBUS PROTOCOL ADDRESS MAP
Data Content
Parameter
Name
Read/Write
Permission
Read
Data
Type
Data Content
Parameter
Name
Read/Write
Permission
Read
Read
Defrost output status (0=OFF; 1=ON)
A2
08d
0x08
Bit
Alarm configuration. OFF =
Ab5
, ON = Relative alarm
rEF
Read / Write
Defrosting process begins with energy. OFF =
no
, ON =
YE5
During defrost, display configuration. OFF =
Lc
, ON =
rE
Time delay to display alarm message after alarm is on.
A7
F6
F3
Read / Write
Read / Write
Read / Write
Read / Write
A6
0022d
0023d
0025d
0x0016
0x0017
0x0019
word
word
word
word
0x0018
0024d
Required delay time for fan to be powered up.
Required delay time for fan to be powered up after defrost.
Fan differential.
Measured defrost sensor, temperature value (°C / °F)
0001d
0x0001
word
--
Read
0002d
0x0002
bit
--
Read
Fan output status (0=OFF; 1=ON)
F0
09d
0x09
Bit
f5
10d
0x0A
Bit
Read / Write
Read / Write
F2
11d
0x0B
Bit
Read / Write
F7
Fan operates with thermostat. OFF
=
no
, ON
=
yE5
Fan
starts
when compressor stop. OFF
=
no
, ON
=
yE5
Fan operation during defrost process. OFF
=
no
, ON
=
yE5
Fan control depending on room temperature. OFF
=
no
, ON
=
yE5
--
Read
0002d
0x0002
word
All controls output status
*
All outputs will be displayed in the word as compressor (0.bit) defrost (1.bit) fan (2.bit).
12d
0x0C
Bit
Read / Write
LP
13d
0x0D
Bit
While the keys are locked , set value is adjustable. OFF =
no
, ON =
ye5
Read / Write
14d
0x0E
Bit
15d
0x0F
Bit
Read / Write
Read / Write
16d
0x010
Bit
Read / Write
The keylock active / inactive. OFF= inactive , ON= active
Starting manual defrost or stopping manual defrost. OFF= stopping , ON= starting
Control outputs active / inactive. OFF= active , ON= inactive
The factory setting is loaded. ON= The factory setting is loaded.
--
--
--
--
*
Up to 16 bits can be read and/or written to the coil at one time.
Fan stopping temperature
Fan differential.
Digital input types .0=
nd
;
1=
EA
;
2=
5A
;
3=
df
Delay time duration for
Digital input
.
Delay time duration for the compressor on power-up.
Delay time duration for the compressor restart after the stop.
Compressor output OFF-state time duration in case of probe failure.
Defrost duration.
Defrost start delay time after the defrost end.
Real temperature displaying delay time, after the defrost end.
SİSEL MÜHENDİSLİK ELEKTRONİK SAN. VE TİC. A.Ş.
Şerifali Mah.
Y.Dudullu 34775
ÜMRANİYE/İSTANBUL-TURKEY
Tel : +90 216 499 46 64 Pbx. Fax : +90 216 365 74 01
url : www.enda.com.tr
Barbaros Cad. No:18
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