SIEMENS 0BA0 Programmable Relay
Siemens LOGO (Ethernet)
Supported Series: Siemens LOGO! 0BA0, 0BA1, 0BA2, 0BA7, 0BA8 Website: http://www.siemens.com/entry/cc/en/
HMI Setting
| Parameters | Recommended | Options | Notes |
| PLC type | Siemens LOGO (Ethernet) | ||
| PLC I/F | Ethernet | ||
| Port no. | 102 | ||
| PLC sta. no. | 1 | 1~99 | |
| Model | 0BA7 | 0BA7, 0BA8
0BA0 / 0BA1 |
0BA2 model *Note1 |
| Local TSAP | 1000 | Must be greater than 1000 | |
| Remote TSAP | 2100 | Range:2000~2700 | |
For TSAP settings please refer to PLC Setting below.
*Note1: OBA2 model selects allow s7 access service and can also use OBA0/OBA1 model for communication.
PLC Setting:
Siemens LOGO! multi connection setting requires LOGO! Soft Comfort software to set PLC to identify the connected devices. The following introduces LOGO! Soft Comfort settings.
- Step 1. Tools -> Ethernet Connections
- Step 2. Right click on ”Ethernet Connections” and click ”Add connections” to add a connection, up to eight connections are allowed.
- Step 3. Setting Server
- Double click on Connection1, then select ”Server Connection”.
- Local TSAP is system default and can’t be modified. Tick ”Accept all connection requests” to connect to any IP.
- Remote TSAP set to ”10.00”.
- Connection 2~8 can all be set as above.
Note: The value of Local TSAP and Remote TSAP must be set oppositely in EasyBuilder for communication. 
- Step 4. Complete settings, download connection to Siemens LOGO!
Device Address
| Bit/Word | Device type | Format | Range | Memo |
| B | I | DD | 1~64 | Read Only |
| B | Q | DD | 1~64 | |
| B | M | DD | 1~112 | |
| B | NI | DDD | 1~128 | |
| B | NQ | DDD | 1~128 | |
| B | V | DDDDo | 0~14697 | VW_Bit |
| W | AI | D | 1~16 | |
| W | AQ | D | 1~16 | |
| W | AM | DD | 1~64 | |
| W | NAI | DD | 1~64 |
| Bit/Word | Device type | Format | Range | Memo |
| W | NAQ | DD | 1~32 | |
| W | VW | DDDD | 0~1468 | See Table 1&2 Address Mapping |
| DW | VD | DDDD | 0~1466 | |
| Byte | VB | DDDD | 0~1466 | |
| W | RTC | D | 1~7 |
Table 1 Address Mapping (LOGO! 0BA7)
| I | VW | Q | VW | M | VW | AI | VW | AQ | VW | AM | VW |
| I1 | V923.0 | Q1 | V942.0 | M1 | V948.0 | AI1 | VW926 | AQ1 | VW944 | AM1 | VW952 |
| I2 | V923.1 | Q2 | V942.1 | M2 | V948.1 | AI2 | VW928 | AQ2 | VW946 | AM2 | VW954 |
| I3 | V923.2 | Q3 | V942.2 | M3 | V948.2 | AI3 | VW930 | AM3 | VW956 | ||
| I4 | V923.3 | Q4 | V942.3 | M4 | V948.3 | AI4 | VW932 | AM4 | VW958 | ||
| I5 | V923.4 | Q5 | V942.4 | M5 | V948.4 | AI5 | VW934 | AM5 | VW960 | ||
| I6 | V923.5 | Q6 | V942.5 | M6 | V948.5 | AI6 | VW936 | AM6 | VW962 | ||
| I7 | V923.6 | Q7 | V942.6 | M7 | V948.6 | AI7 | VW938 | AM7 | VW964 | ||
| I8 | V923.7 | Q8 | V942.7 | M8 | V948.7 | AI8 | VW940 | AM8 | VW966 | ||
| I9 | V924.0 | Q9 | V943.0 | M9 | V949.0 | AM9 | VW968 | ||||
| I10 | V924.1 | Q10 | V943.1 | M10 | V949.1 | AM10 | VW970 | ||||
| I11 | V924.2 | Q11 | V943.2 | M11 | V949.2 | AM11 | VW972 | ||||
| I12 | V924.3 | Q12 | V943.3 | M12 | V949.3 | AM12 | VW974 | ||||
| I13 | V924.4 | Q13 | V943.4 | M13 | V949.4 | AM13 | VW976 | ||||
| I14 | V924.5 | Q14 | V943.5 | M14 | V949.5 | AM14 | VW978 | ||||
| I15 | V924.6 | Q15 | V943.6 | M15 | V949.6 | AM15 | VW980 | ||||
| I16 | V924.7 | Q16 | V943.7 | M16 | V949.7 | AM16 | VW982 | ||||
| I17 | V925.0 | M17 | V950.0 | ||||||||
| I18 | V925.1 | M18 | V950.1 | ||||||||
| I19 | V925.2 | M19 | V950.2 | ||||||||
| I20 | V925.3 | M20 | V950.3 | ||||||||
| I21 | V925.4 | M21 | V950.4 | ||||||||
| I22 | V925.5 | M22 | V950.5 | ||||||||
| I23 | V925.6 | M23 | V950.6 | ||||||||
| I24 | V925.7 | M24 | V950.7 | ||||||||
| M25 | V951.0 | ||||||||||
| M26 | V951.1 | ||||||||||
| M27 | V951.2 |
Table 2 Address Mapping (LOGO! 0BA0,OBA8)
| Device Type | VM (From) | VM (To) | Range |
| I | 1024 | 1031 | 8 Bytes |
| AI | 1032 | 1063 | 32 Bytes |
| Q | 1064 | 1071 | 8 Bytes |
| AQ | 1072 | 1103 | 32 Bytes |
| M | 1104 | 1117 | 14 Bytes |
| AM | 1118 | 1245 | 128 Bytes |
| NI | 1246 | 1261 | 16 Bytes |
| NAI | 1262 | 1389 | 128 Bytes |
| NQ | 1390 | 1405 | 16 Bytes |
| NAQ | 1406 | 1469 | 64 Bytes |
Wiring Diagram
Ethernet cable
Documents / Resources
 |
SIEMENS 0BA0 Programmable Relay [pdf] User Guide 0BA0, 0BA1, 0BA2, 0BA7, 0BA8, 0BA0 Programmable Relay, 0BA0, Programmable Relay, Relay |