Module Specific Hardware Errors - Spectrum Controls Micro800 2085sc-IF16C User Manual

Expansion i/o 16-channel analog input module
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Fault Code
Extended Fault Code
0×301
0×302
0×F29z
7
0×303
0×304
z indicates the slot number of the expansion I/O. If z=0, then the slot number cannot be identified
7
Chapter 3: Configuring the 2085sc-IF16 Using CCW
For voltage range selections (IF16V only):
-
Open circuit detection takes place on a periodic basis, every 3
seconds, by temporarily enabling the PGA burnout current, and
initiating an ADC conversion at the fastest filter frequency (470
Hz).
-
The previous measurement remains in the input table during the
open circuit detection procedure (that is, the measurement value
with the burnout current enabled is not reported).
-
Within 3 seconds of an open circuit condition, transitional data
may be reported prior to the open circuit status bit being set.
For the Upscale open circuit detection setting, an open circuit condition
causes the channel input data to report the high limit data value for the
selected input range and data format and the open circuit status bit is set.
As a side effect of this, the over range status bit is also set.
For the Downscale open circuit detection setting, an open circuit
condition causes the channel input data to report the low limit data value
for the selected input range, and data format and the open circuit status
bit is set. As a side effect of this, the under range status bit is also set.
For the Zero open circuit detection setting, an open circuit condition
causes the channel input data to report a value equivalent to zero for the
selected input range, and data format and the open circuit status bit is set.
As a side effect of this, depending on the selected range, the under range
status bit may also be set.
For the Disabled open circuit detection setting (IF16V only), an open
circuit condition is not reported. Also, the periodic open circuit detection
does not take place.
For the 0-20 mA current range selection (IF16C only), an open circuit
condition cannot be detected, and the open circuit status bit is not set.
An open circuit condition may also be triggered by applying an input
value well beyond the specified Low or High Limit values indicated in
the table earlier in this Chapter.

3.6.6 Module Specific Hardware Errors

A Micro850 or 870 PLC can generate a series of 0×F2xy error codes specific to
an Expansion I/O module. The Fault code is 0×F29z, where z indicates the slot
number of the expansion I/O. If z=0, then the slot number cannot be identified.
Error Description
MCU Watchdog reset
MCU board power brownout
Unused by the 2085sc-IF16
ADC communications error
User's Manual Pub. 0300306-02 Rev. B
3-25

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