Product Overview
Fieldbus Overview
Sensor signal
evaluation
Physical Block
(parameters of the
physical unit)
Analog Input Block
(parameters important to the
process control system)
Transducer Block
(parameters that
describe the device)
Figure 1–1.
Default block configuration
The characteristics of the input and output options for the LevelPRO with
F
OUNDATION
fieldbus
are summarized in the table below.
Note
The I/O listed below can be configured via
F
OUNDATION
fieldbus
.
More I/O are available with the standard LevelPRO but can only be
configured using other interfaces. Reference the LevelPRO user guide (P/N
717778).
▲
Table 1–1.
Type
Characteristics
Comments
Current output
3.8–20.5 mA DC.
Standard configuration:
- Isolated, loop-powered, 24
Vdc input, 700 ohm max. load.
Alternate configurations:
- Non-isolated, self-powered,
700 ohm max. load.
- Isolated, self-powered, 700
ohm max. load.
Default range is 4–20 mA DC. One
current output is provided on the
CPU.
Piggyback board (P/N 886595)
required for isolated, self-powered
configuration.
Optional relays
Two relays optionally available on
the AC power/ relay board.
Form C SPDT, isolated 8 A, 220
Vac.
Process alarms and system fault or
warning alarms can be assigned to
control (open/close) relays.
Contact closure
inputs
Two contact closure inputs
provided on the CPU.
Execute system commands based
on a user-provided contact switch
opening or closing input.
Inputs & Outputs
Primary value
(main value)
OUT
Thermo Fisher Scientific
LevelPRO with
F
OUNDATION
™ fieldbus
Application Guide
1-3
Содержание LevelPRO Series
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