Sanken Samco SVC06, Instruction Manual, Page: 124 / 136

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11-3 Communication Function Specification
11-3 Communication function specification
Electrical characteristics
RS485 communication
Communication protocol SANKEN protocol
Modbus-RTU
communication protocol
Communication type
4-wire / 2-wire bus type
（
RS485 standard
）
Transmission distance Total 500m, terminal resistor is required
Number of units
connected
Max. 32 Max. 247 * Note
Connection cable
Shielded twisted-pair cable recommended
Communication type Full-duplex / Half-duplex
Communication speed
[bps]
57600/38400/19200/9600/4800/2400/1200 selectable
Synchronization
Asynchronous start/stop
Data format ASCII code or BINARY BINARY
Data length
8bit
Stop bit length 1bit or 2bit selectable
Parity check Yes (odd, even), No, Selectable
Error check SUM check CRC code check
Message
end code
ASCII CR+LF/CR selectable
No
BINARY No
* Note: A relay is required when exceeding 32
11-4 Storage Environment
Storage environments of SVC06 series are as follows:
Table 11-1 Storage environment
Item Description Remark
Storage temperature -20-65
℃
Short term during transportation
Relative humidity 95%RH or lower
Gas medium No corrosive, gases, oil mist, dripping, dust or direct sunlight
Atmospheric pressure 86-106kPa
(1) Temporary storage
①
Never place it directly on the ground.
②
If equipment is stored in an environment which is worse than above mentioned, pack and seal the
equipment with polyvinyl resin plastic film, add an internal desiccant to prevent humidity.
(2) Long-term storage
①
When storage time exceeds 3 months, in order to prevent the deterioration of the electrolytic capacitors
caused by temperature, please adjust the ambient temperature to -10-+30
℃
.
②
Use desiccant, and keep the relative humidity in the package lower than 70%.