Teledyne BDS-3960 ユーザーズマニュアル
Installation
BDS 3960
Teledyne Analytical Instruments
36
Threshold Alarm 2:
•
Can be configured as high (actuates when concentration
is above threshold), or low (actuates when concentration
is below threshold).
is above threshold), or low (actuates when concentration
is below threshold).
•
Can be configured as failsafe or nonfailsafe.
•
Can be configured as latching or nonlatching.
•
Can be configured out (defeated).
System Alarm:
•
Actuates when DC power supplied to circuits is
unacceptable in one or more parameters. Permanently
configured as failsafe and latching. Cannot be defeated.
Actuates if communication with PPC fails.
unacceptable in one or more parameters. Permanently
configured as failsafe and latching. Cannot be defeated.
Actuates if communication with PPC fails.
Further detail can be found in Chapter 4, Section 4-5.
Table 3-2: Alarm Relay Contact Pins
Pin
Contact
45
Threshold Alarm 1, normally closed contact
28
Threshold Alarm 1, moving contact
46
Threshold Alarm 1, normally open contact
42
Threshold Alarm 2, normally closed contact
44
Threshold Alarm 2, moving contact
43
Threshold Alarm 2, normally open contact
36
System Alarm, normally closed contact
20
System Alarm, moving contact
37
System Alarm, normally open contact
Digital Remote Cal Inputs: Accept 0 V (off) or 24
V dc (on) inputs for
remote control of calibration. (See Remote Calibration Protocol below.)
See Table 3-3 for pin connections.
See Table 3-3 for pin connections.