4-20Ma Loop; Default - Factory Settings - Macurco CD-6H Instrucciones Para El Usuario

Macurco CD-xx H/MC Manual
Trouble – With the display function turned "On" and the device is in a trouble state, the display will display the "t" Error code
(t01 for example). If the Trouble Fan Setting is enabled, the Fan relay will switch activating the relay. See section
Codes and section 4 .5.11 Trouble Fan Setting – "tFS".
3 1 T 3 1 T

4.4 4-20mA Loop

Clean Air – With the 4-20 mA function turned "On" and the current concentration of CO
mA reading equivalent to the current gas reading of the detector.
Fan Level – With the 4-20 mA function turned "On" and the current concentration of CO
Fan Relay Setting (Frs), the 4-20mA loop will output between 4 mA and 20 mA depending on the current concentration of CO
See figure 3 -1 4-20 mA Output diagram
3 1 T
Alarm Level – With the 4-20 mA function turned "On" and the current concentration of CO
the Alarm Relay Setting (Ars), the 4-20mA loop will output between 4 mA and 20 mA depending on the current concentration of
CO . See figure 3 -1 4-20 mA Output diagram
2
P P 3 1 T
Trouble – With the 4-20 mA function turned "On" and Trouble Fan Setting enabled. The 4-20mA loop will output less than 4 mA
or greater than 20 mA depending on the Trouble condition. See section
4.5 Default – Factory Settings
Setting:
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.A
3 1 T
or figure 3 -9 12-Series 4-20 mA Output diagram
3 1 T 3 1 T
or f igure 3-9 12-Series 4-20 mA Output diagram
3 1 T 3 1 T
Default:
On
On
On
4000 ppm
Normally Open (NO)
1000 ppm for CD-xxH
1000 ppm for CD-xxMC
3 minutes
0 minutes
Off
Off
On
Table 4-1 Default settings
[34-2900-0510-8]
ppm, the 4-20mA loop will output a
2
P P
ppm detected is at or greater than the
2
P P
3 1 T
ppm detected is at or greater than
2
P P
3 1 T
5 .1 On-Board Diagnostics .
3 1 T 3 1 T
5 .1.2 "t" Error
3 1 T
.
2
P P
20 |
P a g e