Pepperl+Fuchs HD2-DM-A Manual page 142

Advanced diagnostics
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Advanced Diagnostics
Cabinet I/O
Input: A selector for an analog input value. Available options are:
Invert: Inverts the output value.
On Level: If the input value exceeds this value, the output is set to "1".
Off Level: If the input value falls below this value, the output is set to "0".
The start value of the output is "0".
Note
Default Values
The default values for the on level and off level inputs are '<<<' for low infinity and '>>>' for high
infinite.
Note
Temperature Difference
When using the temperature difference input, the same temperature unit must be configured
for the temperature inputs 1 and 2.
7.5
FF Channels for the I/O Transducer Block
The following FF channels can be used to map I/O data to function blocks:
101: Input value of binary inputs 1 ... 8 (multiple digital input (MDI) function blocks)
102: 1 ... 4 result values of on/off controllers 1 ... 4 (MDI function blocks)
103: Value of temperature, humidity, and frequency inputs (multiple analog input (MAI)
function block)
104: Output values for relay contact outputs, common alarm output, and buzzer. Note that
the source of the outputs must be set to "FF channel" (multiple digital output (MDO) func-
tion block)
105: Value of binary inputs as bits of a U8 value (multiple digital input (MDI) and digital
input (DI) function blocks)
201: Field diagnostics status value (DI function block), see chapter 6.3
For more information on FF channels, see chapter 8.3.
7.6
Cabinet Management Applications and I/O Blocks
This chapter describes typical cabinet management applications and how to configure their I/O
transducer blocks. If the DTM is used, this can be done in a comfortable way. The tab I/O
Blocks allows you to select preconfigured applications. These blocks can be adjusted by
selecting the inputs and outputs used. Otherwise, most of the configuration takes place auto-
matically.
Temperature input 1
Temperature input 2
Temperature input 2 - temperature input 1 (temperature difference)
Motherboard temperature
Motherboard humidity
Frequency input 1
Frequency input 2
141

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