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46
DIRIS A20
- Réf. : 536 085 C
DIRIS A20
- RS485 - JBUS/MODBUS
®
COMMuNICatION
reSet tO ZerO: eNerGy MeterS aNd MaX. ValueS (fuNCtION 6 )
lISt Of paraMeterS tO Be dISplayed Or prOGraMMed (fuNCtIONS 3, 6 aNd 16)
Slave
05
Function
06
High-order
address
02
Low-order
address
00
High-order
value
00
Low-order
value
05
CRC 16
49F5
Example:
Configuration of a 4-wired unbalanced network
(4 NBL) for
DIRIS
number 5.
DIRIS A20
reply: Identical to message sent
NB:
To reset several parameters to zero, add the
corresponding figure indicated in the “text” column.
Example:
Reset Max P+ and kvarh + to zero: 2 + 100 = 102 (Hex).
DIRIS A20
reply: identical to the message sent.
Slave
05
Function
06
High-order
address
04
Low-order
address
00
High-order
value
01
Low-order
value
02
CRC 16
092F
Decimal
address
Hexadecimal
address
No. of words
Text
Unit
522
20A
1
OUT impulse value :
0 : 0,1 kWh/kvarh
1 : 1 kWh/kvarh
2 : 10 kWh/kvarh
3 : 100 kWh/kvarh
4 : 1000 kWh/kvarh
5 : 10000 kWh/kvarh
/
523
20B
1
OUT impulse duration :
1 : 100 ms
2 : 200 ms
3 : 300 ms
4 : 400 ms
5 : 500 ms
6 : 600 ms
7 : 700 ms
8 : 800 ms
9 : 900 ms
/
Decimal
address
Hexadecimal
address
No. of words
Text
Unit
1024
400
1
Reset:
Max 4I : 0x1
Max P+ : 0x2
kWh+ : 0x80
kvarh+ : 0x100
all parameters: 0x1000
/
47
DIRIS A20
- Réf. : 536 085 C
DIRIS A20
- RS485 - JBUS/MODBUS
®
GB
COMMuNICatION /
teChNICal CaraCterItICS
COMMuNICatION
SaVed COMMaNd (reSet)
The following command should be done to save
programming parameters changes for
DIRIS
number 5.
NB:
DIRIS A20
will not reply to this command.
Slave
05
Function
06
High-order
address
06
Low-order
address
00
Values
0000
CRC 16
88C6
teChNICal CaraCterIStICS
RS485
2 or 3 wires half duplex
Protocol
JBUS/MODBUS
®
protocol / RTU mode
Speed
2400 to 38400 Bauds
Galvanic insulation
2.5 kV
GlOSSary Of aBBreVIatIONS
COM
Communication
ADR
Slave address
BDS
Speed of communication in bauds
PAR
Communication frame parity
NO
Without parity
Even
Even parity
Odd
Odd parity
STOP
Frame-stop beep
1
1 stop bit
2
2 stop bits
ul - CSa apprOVal
Standard
UL 61010-1
CSA-C22.2 No. 61010-1
Certificate
UL file No: E257746
Summary of Contents for DIRIS A20
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