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PRESYS
|
Instruments
FUNCTION
Alarm
Alarm
Alarm
(*) Relay contact states shown are valid for SAFE option selected (see section 3.2 on Configuration), Controller
powered on and non-alarm condition. Position of the contacts are changed in alarm condition (with SAFE option
selected) or when the instrument is turned off.
DCY - 2057 Pressure Controller
INTERNAL DEVICE
+24V
SCR
Logic
+24V
SCR
Logic
+24V
SCR
Logic
-
Fig. 9 - Alarm Output Connections
TERMINALS
C
15
NC *
16
SPST
*
NC
17
18
C
*
NO
19
SPDT
*
NC
20
C
21
NO*
22
SPDT
OUTPUT 2
OUTPUT 3
OUTPUT 4
Installation
Page 15
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