MGS-250 Manual
32 6490-9000
Revision
4
Table 10: MGS-250 Behavior during a Non-Critical Fault
Item
Behavior During Non-Critical Fault State
Green LED
On (solid)
Display
Shows the appropriate fault code
Analog Output
Operates normally
Modbus Registers
Modbus registers indicate the fault.
4.5.3. Critical Faults
Critical faults may indicate an unrecoverable condition. Please refer to
Section 8 for more information. The following occurs when a critical fault
condition exists.
Table 11: MGS-250 Behavior during a Critical Fault
Item
Behavior During Critical Fault State
Green LED
Off (indicating the gas detector is off-line)
Display
Shows the appropriate fault code
Analog Output
4-20 mA output
Changes to 2 mA
1-5 V output
Changes to 0.5 V
2-10 V output
Changes to 1.0 V
Modbus Registers
Modbus registers indicate the fault.
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