AMC 1ACOs, Instructions Manual, Page: 22 / 33

AMC-1ACOs One Channel CO Monitor with DSI
18
Sensor Status Output
Sensor Fault short, slow beeps
Notes:
1) Micro-controller operation ensures that Warning, Alarm and
Fault conditions will not occur simultaneously on the same sensor.
5.1.4 GAS MONITOR INTERFACE CONFIGURATION
The input interface is factory pre-configured for proper operation of the DSI board. Figure 9 is
included as a guide for troubleshooting purposes as the jumpers must be strapped as indicated
in Table 5. Note V+ equals 22 volts.
TABLE 5: Signal input configuration jumper selection
SENSOR 1 SENSOR 2
SIGNAL INPUT
CONFIGURATION
JB 8
TERMINATION
JB10
POWER SUPPLY
JB7
TERMINATION
JB9
POWER SUPPLY
DSI 4-20 mA V+ 4-20 mA V+
Note:
The signal input configuration jumpers are under the DSI board. Turn off the main
power supply of the monitor before removing the DSI board to configure the jumpers.
JB8
JB10
MD-V
SS
4-20mA
V+
+5V
SENSOR 1
MD-V
EXAMPLE
JB8
JB10
SS =
MD-V =
4-20mA =
V+ =
+5V =
NOTE: THE DSI BOARD IS REMOVED
FIGURE 9: Gas Monitor signal input configuration jumpers