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

Macurco GD-xx Operation Manual
REV – 2.0.0 [34-2900-0027-6 ] 21 | Page
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 5.1 On-Board Diagnostics
.
4.5 Default – Factory Settings
Setting:
Default:
Gas
mE (methane)
Power Up Test
On
Display
Off
Buzzer
Off
Alarm Relay Setting
20% LEL
Alarm Relay Configuration
Normally Open (NO)
Fan Relay Setting
10% LEL
Fan Relay Delay
3 minutes
Fan Relay Minimum Runtime
0 minutes
Fan Relay Latching
Off
Trouble Fan Setting
Off
4-20mA
On
Table 4-1 – Default settings
Figure 4-1 – Board View