INTERLOCKS PREVENT CONTROLS
Key UP DOWN to the target control
Key DOWN to Configure and key ENTER
In this example, when the Flowswitch connected to
input 'T' closes, the Tower Bleed can operate
nd
In the 2
example, Steam Treatment is being fed
An R | S, 'ORS' requiring either R or S contact
R+S 'ANDS', requiring both R & S contact set to be
In this example, R & S may close when
M714_User_Master.doc
Updated Aug. 25, 2015
FROM TURNING ON
and key ENTER
then key DOWN to Interlocked by
Key ENTER to modify the interlock
based on Steam demand
Key ENTER , then key DOWN
to Configure and key ENTER
Key DOWN to Interlocked by
sets closed to operate the pump
closed to operate the pump
Boiler s1 & 2 are ON-line
V e r i f y I n t e r l o c k s
3 . 7
Conductivity
Tower Bleed
ON:
8.6 min
.
.
.
Tower Bleed
.
Diagnostics
.
Configure
Alarms
.
.
.
Tower Bleed
.
Configure...........
Interlocked by
T
.
.
.
Steam Demand
.
Steam Treatment
.
ON:
10.4 min
.
.
Steam Treatment
.
Diagnostics
.
Configure
.
Alarms
Steam Treatment
.
Configure...........
Interlocked by
.
R|S
E
1245 uS
2
2
then
2
P
32500 lb
5
5
then
5
41