Instructions
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0001d
0002d
0003d
0004d
0005d
0006d
0007d
0009d
0010d
0011d
0012d
0x0001
0x0002
0x0003
0x0004
0x0005
0x0006
0x0007
0x0009
0x000A
0x000B
0x000C
word
word
word
word
word
word
word
word
word
word
word
The upper limit of the hysteresis value
Delay time for the upper limit alarm
The lower limit of the setpoint
The lower limit of the hysteresis value
Delay time for the lower limit alarm
Current conversion ratio
Measurement method ( =0 AC 1 DC 2 ACDC, = , = )
Decimal point. (0 = , 1 = , 2 = , 3 = )0 0.0 0.00 0.000
Baudrate (0=Off;1=1200;2=2400; 3=4800; 4=9600; 5=19200
6= 38400; 7= 57600; 8= 115200)
dlyU
L0Ll
HY5L
dLyl
HY5U
ctrr
typE
dpnt
OPTN
aDr5
BAUD
0.10
5.00
0
0.10
0
no
aCdC
0.00
4
1
oFF
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
0000d
0001d
0002d
0003d
0004d
0005d
0x0000
0x0001
0x0002
0x0003
0x0004
0x0005
word
word
word
word
word
word
Measurement method ( =0 AC 1 DC 2 ACDC, = , = )
Baudrate (0=Off;1=1200;2=2400; 3=4800; 4=9600; 5=19200
6= 38400; 7= 57600; 8= 115200)
ctrr
typE
dpnt
0PTN
aDr5
BAUD
5
aCdC
0.00
4
1
9600
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Holding Register Parameter Table (For devices with “No Relay” and “A” type output models)
Device address for RS485 network connection.
Adjustable between 1-247.
Sampling time of the measurement value. If 1 is selected, it is
250ms. If 2 is selected, it is 500ms. If 3 is selected, it is 750ms.
If 4 is selected, it is 1 second.
Sampling time of the measurement value
Device address for RS485 network connection.
Adjustable between 1-247.
Holding Register
Addresses
Decimal
Hex
Data
Type
Data Content
Parameter
Name
Read/Write
Permission
Status
Value
0000d
0x0000
word
The upper limit of the setpoint
UPLL
Read / Write
5
HOLDING REGISTERS FOR R EXTENSION DEVICES
ENDA EPA242 DIGITAL AMPERMETER MODBUS PROTOCOL ADDRESS MAP
0013d
0x000D
word
Read / Write
OUT1 output status
0tyP
0.00
0008d
0x0008
word
Read / Write
Delay Time for Initial Upper Limit Alarm
0
5dly
* 0014d
0x000E
word
Input type ( , ,0=Ct20 1=Ct30 2 5Hnt= )
ityp
ct20
Read / Write
* 0015d
0x000F
word
turn
1
Read / Write
* 14 and 15 Addresses are used only in devices with input type CT20/30.
Current conversion ratio
Decimal point. (0 = , 1 = , 2 = , 3 = )0 0.0 0.00 0.000
* 0006d
0x0006
word
Input type ( , ,0=Ct20 1=Ct30 2 5Hnt= )
ityp
ct20
Read / Write
* 0007d
0x0007
word
Analog output type (0= , 1= , 2= ,3= )0-20 4-20 0-10 1-5
turn
1
Read / Write
Number of windings for transformer
Number of windings for transformer
Atyp
Read / Write
0 - 20
** 0008d
0x0008
word
* 6 and 7 Addresses are used only in devices with input type CT20/30.
** 8 Address is used only in devices with output type “A”.
In devices with input type CT20/30, following parameter settings will change automatically if the parameter is changed.ityp
If = ; = , = , = , =
If = ; = , = , = , =
ityp Ct20 UpLL 300.0 LoLL 0 Hy5U 0.10 Hy5L 0.10
ityp Ct30 UpLL 120.0 LoLL 0 Hy5U 0.10 Hy5L 0.10
0001d
0x0001
word
Decimal point of measured current value
--
Read Only
Input Register
Addresses
Decimal
Hex
Data
Type
Data Content
Parameter
Name
Read/Write Permission
0000d
0x0000
word
Measured current value
--
Read Only
INPUT REGISTERS FOR R EXTENSION DEVICES
Discrete Input
Addresses
Decimal
Hex
Data
Type
Data Content
Parameter
Name
00d
0x00
Bit
Relay output state (0= ; 1= )OFF ON
--
DISCRETE INPUTS FOR R EXTENSION DEVICES
Coil Addresses
Decimal
Hex
Data
Type
Data Content
Parameter
Name
Read/Write
Permission
00d
0x00
Bit
Output state (0= ; 1= )no nc
0typ
COILS FOR R EXTENSION DEVICES
Status
Value
Read Only
Read/Write Permission
Read / Write
Note 1 : Coil and Discrete input parameters are not available in the devices those have no relay
Note 2 : menu parameters can be used as “Holding Register” or “Coil.0tyP
Note 3 : Value read in 0th address of input register gives the measured value. Also, the 1st address of the input register specifies the decimal part
of the measured current value.
For example ;
Value read in 0th address of input register is 2842, if value read in 1st address from input register as 1, it is 284.2
Value read in 0th address of input register is 2842, if value read in 1st address from input register as 2, it is 28.42
Value read in 0th address of input register is 2842, if value read in 1st address from input register as 3, it is 2.842
* MODBUS-ANSCHLUSSDIAGRAMM
120 Ohm
Master
Slave - 1
Bis zu 127 Slave-Geräte
können gesteuert werden.
Slave - 2
Slave - 127
A
B
A
B
A
B
A
B
Um Störungen in der Modbus Datenleitung zu vermeiden,
sollte am Anfang und Ende des RS485 Modbusses jeweils ein
120 Ohm Abschlußwiderstände angeschlossen werden.
* Gilt für Geräte mit Modbus-Funktion.
EPA242-D-160419