User guide

C3 User Guide
60
Linak Modbus enabled actuator
Description
The Linak LA-35 and LA-36 series of linear actuators can be used to open, close or
position irrigation gates and valves.
Electrical connection
• Observant supports Modbus RS485 versions of the LA-35/36
• For situations where the actuator is powered from the C3 battery the
actuator enabled version of the C3 module must be used (C3-A)
• The Observant supplied Linak connection loom (LA-IK) provides an easy
way to make all of the connections between the actuator and the C3
module (Figure 29)
• 5IF-"*,JTGBDUPSZBTTFNCMFEXJUIIJHIRVBMJUZçFYJCMFDPOEVJUBOE 
weather-proof connectors (~ 1.6 m in length)
• RS485 Port 1 must be used in all cases where the C3-A is used
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• Actuators using the cable loom (LA-IK) use default settings, no
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• "DPOæHVSBUJPOUPPMJTBWBJMBCMFGSPN-JOBLTIPVMEDPOæHVSBUJPOOFFEUPCF
 DIBOHFEUPTVJUTQFDJæDSFRVJSFNFOUTFHNVMUJQMFBDUVBUPSTPOBTJOHMF
Modbus RS485 bus)
Product codes
• LA-35: LA-35 12 V Modbus actuator with 300 mm stroke length
• LA-IK: Cable loom for connection of Modbus actuators to C3-A
• C3-A: Version of C3 with high current power connections for supply to
actuators