4-20Ma Loop; Default - Factory Settings - Macurco GD-6 Operation Manual

Macurco GD Operation Manual

4.4 4-20mA Loop

4-20mA settings selected to 'bAS' or 'EnH' is considered as 4-20mA function turned ON.
Clean Air – With the 4-20 mA function turned "On" and the current concentration of gas at "0.0" (zero), the 4-20mA
loop will output 4 mA.
Gas read – With the 4-20 mA function turned "On" the output will read between 4 mA and 20 mA depending on the
current concentration of methane, propane or hydrogen.
Trouble – With the 4-20 mA function turned "On" and Trouble Fan Setting enabled. The 4-20mA loop will output 1
mA or 24 mA depending on the Trouble condition. See Section
4.5 Default – Factory Settings
Setting:
Gas
Power Up Test
Display
Buzzer
Alarm Relay Setting
Alarm Relay Configuration
Fan Relay Setting
Fan Relay Delay
Fan Relay Minimum Runtime
Fan Relay Latching
Trouble Fan Setting
4-20mA
REV – 1.0.0
5.1 On-Board
Default:
mE (methane)
On
Off
Off
20% LEL
Normally Open (NO)
10% LEL
3 minutes
0 minutes
Off
Off
On
Table 4-1 – Default settings
Figure 4-1 – Board View
[34-2900-0027-6 ]
Diagnostics.
20 | P a g e