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Chapter 5
Communication Protocols
Analog Gain
If the analog feedback data from the light-
ing sensor falls between 0 and threshold
setting 1, Programmable Ramp sets the
analog output to level 1.
If the analog input data from the lighting
sensor falls between threshold setting 1
and threshold setting 2, Programmable
Ramp sets the analog output to level 2.
If the analog input data from the lighting
sensor falls between threshold setting 2
and threshold setting 3, Programmable
Ramp sets the analog output to level
3, etc.
Saved Parameters
Certain parameters of the I/O Board are
saved to flash memory, so they can be
recovered after the system is reset and/or
after the power is turned OFF and back ON.
These are the registers that are saved to
Flash memory:
Register
Description
32-39
Analog configuration
106
(Number of flash writes)
(Analog Output Correction
107-110
factors)
116
(Analog Input 1 Hysteresis)
117
(Analog Input 1 Epsilon)
120
(Modbus device address)
(RS-485 baud rate, parity,
121-123
and stop bits)
256-380
(Output Group Definitions)
768-779
(Default Parameters)
1792-1825
(Input Types Table)
(Input-Output Mapping
2048-2081
Table)
2816-2836
(POD Types Table)
3072-3103
(Input Timing Table)
(POD Override Timing
3328-3369
Table)
3584-3617
(Input Logics Table)
8192-8213
(Analog Gain Tables)
Table 5.4
16
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