SI5500 User Manual 503147
Issue 5
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SI5500 supports 6 discrete inputs and 6 discrete outputs. The discrete outputs can be mapped to any channel number through menu screen shown
above.
“OK” Control Function: Output is set when the reading for the associated channel is within limits.
“Over” Control Function: Output is set when the reading for the associated channel is above upper limit or above max. range (OverRange condition).
“Under” Control Function: Output is set when the reading for the associated channel is below lower limit or below min. range (UnderRange condition).
TIP:
If any output is not used, set it to “None”.
Note: Discrete outputs 1-3 have dedicated functionality in ‘Gauging Mode’ where their specific channel configuration will be ignored.
8.8.1 Pin Details of Discrete Outputs
PIN No.
Description
1
*Out1
14
*Out2
2
*Out3
15
Out4
3
Out5
16
Out6
4
Isolated O/P Common
* In
Gauging mode
, Out1, 2 & 3 will perform as shown below: -
Output
Description
Out1
Asserted if any channels lower limit is exceeded or any channel Errors.
Out2
Asserted if all channels are OK (no limit or errors)
Out3
Asserted if any channels higher limit is exceeded or any channel Errors.
Note: Output invert settings are valid in Gauging mode output.
8.8.2 Pin Details of Discrete Inputs
The functionality of discrete inputs depends on the “Inputs Config” type configured. Below is the table explaining the discrete inputs functionality:
PIN No.
Config1
Config2
17
ZERO
Edge Input type. When this input is set active, it will
ZERO the current selected channel or all channels
according to the ZERO/PRESET all configuration
ZERO
Edge Input type. When this input is set active, it will
ZERO the current selected channel or all channels
according to the ZERO/PRESET all configuration
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