Digital Thyristor Unit
E-19
A.•Recorder
B.•Indicator
C.•Converter
D.•Controller
E. Thyristor
unit
F.•Pressure•
••••transmitter
G.•Temp.•
•••••transmitter
H.•Accessories
DPU
Parameter
Default
Parameter
Default
Parameter
Default
Parameter
Default
IN-P
4-20
IN-B
00)0
BAR
V
COMW
ENA
C-MD
PA
SPAN
00)0
U-V
LOCK
OFF
DI-1
SP-M
DISP
LD-V
F-LD
OFF
DI-2
SP-1
U-V
ADDR
0001
DI-3
SP-1
DRES
DOWN
BAUD
384
Parameter
Default
Parameter
Default
Parameter
Default
Parameter
Default
ST-T
0000
B-UP
00)0
C-LM
11)0
SP5
00)0
S-LM
11)0
UP-T
0003
SP1
00)0
SP6
00)0
S-LT
0000
DN-T
0003
SP2
00)0
P
0150
A-GA
OFF
L-OL
00)0
SP3
00)0
I
02)0
SLOP
!000
H-OL
11)0
SP4
00)0
Parameter
Default
Parameter
Default
Parameter
Default
Parameter
Default
OCㅉ-V
11)0
C-AL
AL2
OV-A
AL1
SCR
AL1
OC-T
0005
OV-V
11)0
FUSE
AL1
HB-V
01)0
OC-A
AL1
OV-T
0005
HEAT
AL1
HB-A
AL2
Operating Mode
Setting Mode 1
Setting Mode 2
(1-phase)
(1-phase)
(3-phase)
(3-phase)
Communication specification
Function code format
Item
Specifications
Com.•method
RS485•2-wire•half•duplex
Com.•speed
4800,•9600,•19200,•38400bps
(default•38400)
Data•length
8Bit
Stop•Bit•
1Bit
Parity
Even
Max.•connections
32•units
Protocol
MODBUS•1.1•RTU
٧
٧
Function code 3(0×03) = Read holding resisters
(Master•→•Slave)
0×01
0×03
0×00
0×00
0×00
0×16
××
××
Add.
Com-
mand
Start•add.
Number•of•data
CRC•16
High
Low
High
Low
High
Low
(Slave•→•Master)
0×01
0×83
××
××
××
Address
Response••
command
Exception•
code
CRC•16
(Slave•→•Master)
0×01
0×03
0×10 0×03 0×E8 ... 0×03 0×E8 ××
××
Add. Response•
command
Number•
of•data
1st•data
...
16th•data
CRC•16
High Low
...
High Low High Low
● Request
● Error
● Response
٧
٧
Function code 4(0×04) = Read input resisters
٧
٧
Function code 6(0×06) = write single resisters
(Master•→•Slave)
0×01
0×04
0×00
0×00
0×00
0×10
××
××
Add.
Com-
mand
Start•add.
Number•of•data
CRC•16
High
Low
High
Low
High
Low
(Master•→•Slave)
0×01
0×06
0×00
0×00
0×03
0×E8
××
××
Add.
Com-
mand
Address
Number•of•data
CRC•16
High
Low
High
Low
High
Low
(Slave•→•Master)
0×01
0×06
0×00
0×00
0×03
0×E8
××
××
Add.
Response•
Command
Address
Data
CRC•16
High
Low
High
Low
High
Low
(Slave•→•Master)
0×01
0×84
××
××
××
Address
Response••
command
Exception•
code
CRC•16
(Slave•→•Master)
0×01
0×86
××
××
××
Address
Response••
command
Exception•
code
CRC•16
(Slave•→•Master)
0×01 0×04
0×10 0×03 0×E8 ... 0×03 0×E8
××
××
Add. Response•
command
Number•
of•data
1st•data
...
16th•data
CRC•16
High
Low ... High
Low
High
Low
● Request
● Request
● Error
● Error
● Response
● Response
Factory default
Communications