Burkert Type 8691 - Manual (Page 45)

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DeviceNet
11.3.2 Drop line length
Baudrate
length of the drop lines
maximum length
maximum total length in the network
125 kbaud
6 m for all baudrates
156 m
250 kbaud 78 m
500 kbaud 39 m
Table 13: Drop line length
11.4 safety setting if the bus fails
If the bus fails, the pilot valve is switched to a programmable safety setting (default: pilot valve isolated). For con-
figuration data see chapter entitled “11.9 Configuring the control head”.
11.5 interfaces
control head 8691
Devicenet
Bus + supply Bus
11.6 electrical connection Devicenet
The bus line is a 4-core cable with additional shielding which must conform to the DeviceNet specification.
The cable transmits both information (data) and energy (power supply for low-power actuators and sensors).
11.6.1 safety instructions
Danger!
risk of electric shock.
▶ Before working on equipment or device, switch off the power supply and secure to prevent reactivation.
▶ Observe applicable accident prevention and safety regulations for electrical equipment.
Warning!
risk of injury from improper installation.
▶ Installation may be carried out by authorized technicians only and with the appropriate tools.
risk of injury from unintentional activation of the system and an uncontrolled restart.
▶ Secure system from unintentional activation.
▶ Following installation, ensure a controlled restart.
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Type 8691