Beckhoff EL3182, Документация

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Commissioning
EL3182 103 Version: 1.2
Bit value Meaning Description
0x80 Device Malfunction The device detected a serious error or failure that
compromises device operation.
0x40 Configuration
Changed An operation was performed that changed the device’s
configuration.
0x20 Cold Start A power failure or Device Reset has occured.
0x10 More Status Available More status information is available via Command 48, Read
Additional Status Information.
0x08 Loop Current Fixed The Loop Current is being held at a fixed value and is not
responding to process variations.
0x04 Loop Current
Saturated The Loop Current has reached its upper (or lower) endpoint
limit and cannot increase (or decrease) any further.
0x02 Non-Primary Variable
Out of Limits A Device Variable not mapped to the PV is beyond its
operating limits.
0x01 Primary Variable Out
of Limits The PV is beyond its operating limit.
PV = Primary Variable
5.4.5 Settings and operating modes
5.4.5.1 Presentation, index 0x80n0:02
The measured value output is set in factory to two's complement representation (signed integer).
Index 0x80n0:02 offers the possibility to change the method of representation of the measured value.
Signed integer representation
The negative output value is represented in two’s complement (n 1).
Maximum representation range for 16 bits = -763
dec
to +32425
dec
4..20 mA
(NAMUR) Decimal Hexadecimal
- 32767 0x7FFF
21 mA 32425 0x7EAC
20,5 mA 31472 0x7A20
20 mA 30518 0x7736
4 mA 0 0x0000
3,8 mA -381 0xFE83
3,6 mA -763 0xFD05
- -32768 0x8000