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Programming and Operation
3-50
P/N 8040406
C
HELIX TECHNOLOGY CORPORATION
-
TI
CRYOGENICS
Relay 1 ON/OFF and Auto/Manual Control
The sixth parameter of the CONTROL function allows you to turn relay 1
ON or OFF and select between automatic or manual control as shown in
Figure 3-45. Manual control is typically used during system diagnosis
when manual activation of relay 1 is required.
Automatic control is used to automatically turn relay 1 ON or OFF
depending upon user specified relay programming. You cannot turn relay 1
ON or OFF when it is in automatic control.
Figure 3-45: Relay 1 ON/OFF and Auto/Manual Control Display
Relay 2 ON/OFF and Auto/Manual Control
The seventh parameter of the CONTROL function allows you to turn relay
2 ON or OFF and select between automatic or manual control as shown in
Figure 3-46. Manual control is typically used during system diagnosis
when manual activation of relay 2 is required.
Automatic control is used to automatically turn relay 2 ON or OFF
depending upon user specified relay programming. You cannot turn relay 2
ON or OFF when it is in automatic control.
Figure 3-46: Relay 2 ON/OFF and Auto/Manual Control Display
Last
Next
Clear
MONITOR
REGEN
SERVICE
CONTROL
RELAYS
HELP
oo
ON
-BOARD
®
Enter
1
2
3
4
5
6
7
8
9
-
0
.
RLY 1 ON, MANUAL
Last
Next
Clear
MONITOR
REGEN
SERVICE
CONTROL
RELAYS
HELP
oo
ON
-BOARD
®
Enter
1
2
3
4
5
6
7
8
9
-
0
.
RLY 1 ON, AUTO
Last
Next
Clear
MONITOR
REGEN
SERVICE
CONTROL
RELAYS
HELP
oo
ON
-BOARD
®
Enter
1
2
3
4
5
6
7
8
9
-
0
.
RLY 2 ON, MANUAL
Last
Next
Clear
MONITOR
REGEN
SERVICE
CONTROL
RELAYS
HELP
oo
ON
-BOARD
®
Enter
1
2
3
4
5
6
7
8
9
-
0
.
RLY 2 ON, AUTO