Assembly Instructions 6
− 2
nd
device in sink mode:
load: approx. 50 Ω
• This operating mode can only be used with one transmitter in burst
mode
19
.
• max. cable length: 250 m (total)
Hints on parameterization
Branch <device> – Basic System – I/O boards –
Board <x>: MFE7
Set the following values:
• channel A1+ A1− and A2+ A2−: type HART channel
• each channel with parameter Power supply:
− for device 1: value On (source mode)
− for device 2: value Off (sink mode)
With this, the operating mode of the channel is set correctly for the
redundant connection of both the HART transmitters with the
ignition protection category EEx d.
19
Burst mode is not supported by all transmitters.
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