1100-2294 Rev 1
50
6.4.5 Integration - User Debug Tools
Holding Register
(Function 03/06 Read / Write)
🔒
2800
🔒
Offline Mode
Setting this flag places the unit into offline mode.
When offline the unit will not respond to gas events or
generate alarm conditions. The flag will remain
asserted for the duration of offline mode. Offline mode
will end after 30 minutes or by clearing this flag.
Boolean
2801
🔒
Manual override Enable
Override external outputs to test system functionality.
Time out after 30 minutes
2802
🔒
Relay 1 state (Low Alarm)
Set state of relay 1 (1 = energized)
2803
🔒
Relay 2 state (High Alarm)
Set state of relay 1 (1 = energized)
2804
🔒
Relay 3 state (Fault)
Set state of relay 1 (1 = energized)
2805
🔒
Buzzer state
Set state of buzzer (1 = active)
2806
🔒
Green LED State
Set state of Green LED (1 = on)
2807
🔒
Red LED State
Set state of Red LED (1 = on)
Boolean
2808
🔒
Analog Output Value
Set value of analog output in % full-scale (0% to 100%)
16-bit Signed
Integer
2809
🔒
Analog Output Value State
Set value control state of analog output (0=Manual, 1=
Fault, 2 = Offline, 3 = Underflow, 4= Overflow , 5=PPM)
16-bit Unsigned
Integer
6.4.6 MGS Compatibility - Status Flags
Read Input Status
(Function 02 Read)
3000
Alarm flag (0 or 1 = alarm)
for Any Alarm
Set if low or high alarm state
Boolean
3001
Relay state (0 or
1=energized) for any Relay
Set if any relay is active (follows relay logical state not
physical if failsafe is active)
3002
Sensor fault (0 or 1 = fault)
for Any Sensor or System
Fault
Set if any fault flag is active
3003
Red LED state (0 or 1=Red
LED On)
Set if Red LED is on
3004
Green LED state (0 or
1=Green LED On)
Set if Green LED is on
3005
Saturation (0 or 1= gas
outside limits)
Set if gas concentration exceeds full-scale range
3006
Start up (0=normal op
1=starting up)
Set if sensor is still in warm-up stabilization period
6.4.7 Integration - Status Flags
Read Input Status
(Function 02 Read)
3100
Sensor Startup (0 or 1 =
startup)
Set if sensor is still in warm-up stabilization period
Boolean
3101
Low Alarm flag (0 or 1 =
alarm)
Set if low alarm is active
Summary of Contents for MGS-400
Page 1: ...1100 2294 Rev 1 1...