7 FC1: Technical Data
7.2 Inputs
ExMFE5 input
board
• 3 NAMUR inputs [EEx ib] IIC for LF pulses (max.
2 Hz, min. pulse length 200 ms)) or HF pulses
(max. 5 kHz) or messages
One of these inputs can be used alternatively for
connecting an encoder index.
• Analog input for a transmitter with 4 ... 20 mA
interface [EEx ib] IIC, alternatively suitable for
connecting transmitters with HART interface
(1 transmitter in burst mode or up to 4 transmit-
ters in multidrop mode)
• Pt100 temperature sensor input (4-wire tech-
nology), [EEx ib] IIC
MFE7 input board • 3 inputs (24 V DC) for LF pulses (max. 8 Hz, min.
pulse length 50 ms) or HF pulses (max. 5 kHz) or
messages
One of these inputs can be used alternatively for
connecting an encoder index or as frequency
input.
• 2 analog inputs for transmitters with 4 … 20 mA
interface, alternatively suitable for connecting up
to 4 transmitters with HART interface (1 trans-
mitter in burst mode or up to 4 transmitters in
multidrop mode)
• input for a Pt100 temperature sensor in 4-wire
technology
Table 15: Inputs: Technical specifications
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