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ЕТ-485    

 

                                                                                                                                                                 

NOVATEK-ELECTRO

 

Parameter 

Description 

Address 

 

Bit 2 

0:  the  connected  client  cannot  get  the  permit  for 
requesting 

functions 

of 

recording 

the 

devices, 

connected to ET-485 
1: the connected client can get the permit for requesting 
functions of recording the devices, connected to ET-485 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 

 

 

 

Bit 3 

0:  the  connected  client  does  not  have  the  permit  for 
requesting 

functions 

of 

recording 

the 

devices, 

connected to ET-485 
1:  the  connected  client  has  the  permit  for  requesting 
functions of recording the devices, connected to ET-485 

 

Bit 4 

0: the connected client cannot get the permit for access 
to  ET-485  registers,  except  for  registers  of  version, 
password, mode and access flags 
1: the connected client cannot get the permit for access 
to  ET-485  registers,  besides  registers  of  version, 
password, mode and access flags 

 

Bit 5 

0:  the  connected  client  does  not  have  the  permit  for 
access  to  ET-485  registers,  except  for  registers  of 
version, password, mode and access flags 
1: the connected client has the permit for access to ET-
485 registers, except for registers of version, password, 
mode and access flags 

 

Bit 6 

0:  the  connected  client  does  not  have  the  permit  for 
requesting function of recording ET-485 
1:  the  connected  client  has  the  permit  for  requesting 
function of recording ET-485 

 

Bit 7 

0:  the  connected  client  does  not  have  the  permit  for 
setting ET-485 
1: the connected client has the permit for setting ET-485 
(similar to register 121) 

 

Bit 8 

0: the client is not the main client 
1: the client is the main client 

 

Bit 9 

1: the client has the right for connection 
(always read as “1” after connection) 

 

Bit 10  0: the client is connected not by ACC  

1: the client is connected by ACC 

 

Maximum of Modbus TCP clients  Maximum  observed  number  of  Modbus  TCP  clients  (from  the 

moment of start-up) 

142 

Maximum of queries, queries/sec  Maximum  observed  load  of  Modbus  (from  the  moment  of  start-

up) 

143 

Frequency of answered queries, 

queries/sec 

Number of processed queries per second, to which the answer 
is formed without any errors 

144 

Time before connection to Modbus 
TCP remote server 

0: connection to remote server established 
1: connection to remote server is being established 

– 65534: number of seconds to repeated connection 

65535: redirection to remote server is off 

145 

Time before active connection to 
the client (or DCRS) 

0: ACC is established  
1: ACC is being established 

– 65534: number of seconds to repeated ACC 

65535: ACC is off 

146 

 
Table 8

 

– Unit configuration settings 

 

Parameter 

 Min 

– 

Max 

Factory 

setting 

Description 

Address 

Addressing in the Ethernet network 

Static IP-
address 

 IP-

address 

 

192.168.0.111 

IP-address of the unit in Ethernet network shall be equal to 
this  value  if  dynamic  addressing  is  disabled  or  not 
available. 

500

– 

503 

Subnet mask 

IP-mask  255.255.255.0 Used only with static IP address 

504

–507 

Gateway 

IP-

address 

192.168.0.1  Used  only  with  static  IP  address  or  as  an  IP  filter  for 

DHCP server 

508

– 

511 

Summary of Contents for ET-485

Page 1: ...perating conditions and wait at least 2 hours before connecting it to the electricity mains Do not use abrasives or organic compounds alcohol gasoline solvents etc for cleaning DO NOT OPEN AND REPAIR...

Page 2: ...6 6 2 Operating 485 over the HTTP protocol 7 6 3 Operating 485 over the Modbus TCP protocol 7 6 4 The operation of ET 485 in the mode of active connection to the client 8 7 SETTINGS 8 7 1 General info...

Page 3: ...onnecting side acts as a server Twisted pair is a pair of insulated conductors inside the cable which are twisted together in order to reduce the distortion of the transmitted signal Indicator is a LE...

Page 4: ...nit to the mains sec no more than 1 Utilized current in case of 220 V mA at most 10 Weight kg at most 0 200 Dimensions mm 95 52 67 Unit purpose Communication equipment Nominal operation condition cont...

Page 5: ...g while data exchange over the Ethernet network Figure 2 Front panel of ET 485 3 2 FUNCTIONING Simplified structural diagram of the unit is provided in Figure 3 32 digit RISC processor with ARM archit...

Page 6: ...CEDURE FOR 485 Suggested maintenance interval every six month The maintenance procedure includes visual inspection to verify the connection of cables to the 485 terminals as well as the absence of fra...

Page 7: ...ddress if connection filtering over IP is activated If this address does not correspond with the preset value the connection is rejected Otherwise the unit starts checking the list of available connec...

Page 8: ...NFIGURATION MAY RESULT IN BLOCKING OR OBSTRUCTION WHILE TRYING TO REACH THE UNIT OVER THE NETWORK In this case all parameters should be factory reset see Section 3 2 7 2 PARAMETERS OF 485 A collection...

Page 9: ...s Mode more detailed see register 141 0 User mode 1 Configuration mode 121 Current IP address IP address of the unit in Ethernet network 122 125 Current MAC address MAC address to authenticate the uni...

Page 10: ...1 the connected client has the permit for setting ET 485 similar to register 121 Bit 8 0 the client is not the main client 1 the client is the main client Bit 9 1 the client has the right for connecti...

Page 11: ...ed 1 setting parameters via Modbus interface or WEB interface is only allowed from the IP address of the main client 526 Enable the IP connections filter over Modbus TCP 0 1 0 0 Modbus TCP connections...

Page 12: ...sponse has not been received within the given time as indicated for the reception of res ponse Waiting time shall not be less then time required for transmission of a single character depending on the...

Page 13: ...additional client having IP address 127 0 0 1 587 Enable the Modbus TCP remote server query redirection mode 0 1 0 0 queries are not sent to remote server 1 queries are additionally sent to Modbus TC...

Page 14: ...ent 0 automatic sending is not accomplished 1 after active connection to the client the unit once sends 1000 1010 registers contents in the form of Modbus response without client query response 1000 1...

Page 15: ...ress IP address DHCP settings are modified and saved the browser may not load the page after the restart of the unit by pressing the Restart button This can happen as the browser continues to reply ov...

Page 16: ...se 9 5 The manufacturer s warranty does not apply to compensation for direct or indirect damages loss or injury associated with transporting the unit to the place of purchase or to the manufacturer 9...

Page 17: ...not necessary for communication between units in a subnet and is only used to connect units of one subnet to units of other networks Factory addressing settings for ET 485 Interface Converter are lis...

Page 18: ...roperties Figure 2 TCP IP properties window in Windows OS window in Windows OS 3 SWITCHING TO INTERNET WARNING The user is strongly recommended to connect the unit to Internet under the supervision of...

Page 19: ...ET 485 IP address filters for recording and or reading can be enabled to provide to a single client the permit to request via Modbus protocol such function codes which are not reading functions unit s...

Page 20: ...direction of queries If the unit whereto the queries are redirected is set to such redirection that the query will be transferred to its initial sender the queries will be transferred nonstop which wi...

Page 21: ...w unit can be specified as the main client It allows increasing the number of RS 485 connected devices and simultaneously connected Modbus TCP clients by 10 for every additional ET 485 unit Each of th...

Page 22: ...g receiving alert messages about incidents via SMS or E Mail Overvis system maintains ACC mode used in ET 485 acting as a data collection server of many simultaneously connected units and providing ac...

Page 23: ...etc b client uses unique MAC address of the unit for its identification In order to provide the access for the user the unique activation code is given to each unit herewith Modbus write protection m...

Page 24: ...ode Symbol 32 64 96 33 65 A 97 A 34 66 B 98 B 35 67 C 99 C 36 68 D 100 D 37 69 E 101 E 38 70 F 102 f 39 71 G 103 g 40 72 H 104 h 41 73 I 105 i 42 74 J 106 j 43 75 K 107 k 44 76 L 108 l 45 77 M 109 m 4...

Page 25: ...AC110 61F GPN V50 AC110 70177 1011 F03 03 HAS B F03 03 HAS C F03 31 81513201 81513535 81550401 FT1A C12RA W 88981106 H2CAC24A R88A CAGA005S R88A CRGB003CR E R88ARR080100S R88A TK01K DCN1 1 DTB4896VRE...

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