Table of Contents
Advertisement
PRESYS
|
Instruments
SAFE - provides relay safety. Relay safety condition means that relay coils are
energized when the instrument is powered and are de-energized under an alarm
condition or in the event of a power failure.
.
The adjustable parameter ranges shown on figure 19 are given below.
Mnemonic
low or high alarm
SP
HYST
DELAY
SP
Warning: When changing an analogic output module (see Level 3 -
Outputs) by an alarm relay to be plugged to the same connectors on the Power
Supply Board, disable the analogic output before installing the relay so that it
does not switch continuously.
DCY - 2057 Pressure Controller
Fig. 19 - ALARM level options
Parameter
setpoint
alarm hysteresis
delay for relay
activation
deviation alarm
setpoint
Adjustable
Span
-999 to 9999
0 to 250
0.0 to 999.9
1 to 9999
(1) SAME AS FOR RELAY 2 .
(2) SAME AS FOR CA1H.
(3) SAME AS FOR RELAY 2 .
Factory
Units
Value
75.0
EU
10
EU
0.0
seconds
75.0
EU
Operation
Page 33
.
Advertisement
Table of Contents
