Operation And Calibration; Operation; Dip Switch Programming; Table 2: Dip-Switch Programming Chart - AMC 1ACOs Instructions Manual

AMC-1ACOs One Channel CO Monitor with DSI

5 OPERATION AND CALIBRATION

5.1 OPERATION

5.1.1 DIP SWITCH PROGRAMMING

The 1A circuit board has two blocks of DlP-switches, located under the DSI Board, for
configuring the various functions of the 1A; see Figure 2, item 12. Each DIP-switch can be set
to OFF (left position) or ON (right position) depending on functions required.
Positions shown in Bold are typical settings for the AMC-1ACOs.
CAUTION
TURN OFF THE MAIN POWER SUPPLY BEFORE REMOVING THE DSI BOARD TO MODFIY DIP
SWITCHES.
Switch Feature
SW1-1 Activate
Alarms until
Acknowledge
(Latching
Relays)
SW1-2, Minimum Run
Timer
SW2-2
SW1-3, Sensor Type
(Mode
SW1-4
Select)
SW1-6 Number of

TABLE 2: DIP-switch programming chart

Position
Warning and alarm relays are automatically de-activated
OFF
once activating condition has been removed and
minimum run timer has expired.
ON Once activated, warning and alarm relays remain
activated (latched) until activation condition has been
removed, minimum run timer has expired and the
Acknowledge button has been pressed.
Warning and alarm relays are maintained in alarm state
See
for a minimum time interval following alarm activation, as
Description
follows:
SW1-2
OFF
ON
OFF
ON
Note that a sensor level falling below the alarm threshold
and then re-occurring during this time resets the alarm
timer for the associated alarm.
Sensor type (threshold mode) is selected as follows:
See
SW1-3
Description
OFF
ON
OFF
ON
OFF Channel 1 and 2 are enabled.
15
Description
SW2-2 Minimum Run Time
0 minutes
OFF
OFF 5 minutes
ON 10 minutes
ON 30 minutes
SW1-4 Sensor Type (Mode)
Both channels Increasing
OFF
OFF Both channels Decreasing
ON Channel 1 Decreasing
Channel 2 Increasing
ON Reserved