CHAPTER 5: SETUP SOFTWARE
UB25 LINEAR DC RESISTANCE WELDING CONTROL
990-665
5-19
Section VI. Relay Settings
Function
The Power Supplies four relays can be programmed to activate outputs under eight user-programmed
conditions. Relay connections are made through the 25-pin connector
I/O Signal Interface A
on the rear
of the Power Supply. See
Appendix B, Electrical and Data Connectors
for pin connections.
Appendix F,
Relay Timing Diagrams
provides the timing sequences for the four relays.
Programming Instructions
NOTE:
Programming for each of the relays is
identical
.
1
From the
MAIN MENU
, press the
6
key
to get the
relay
menu.
2
From the
RELAY
menu, press the
1, 2,
3,
or
4
key to select a relay menu.
3
Press the
1
key to toggle the relay
contact signal state:
ON
(closed) or
OFF
(open).
4
Press the
2
key to select the
WHEN
menu. This menu allows you to choose
when the relay is activated. The
WHEN
states are described on the next page.
5
Use the numeric keypad to select when
the relay will energize. The display
screen automatically returns to the
WHEN
menu.
RELAY 1
1. SET RELAY TO
: ON
2. WHEN
: ALARM
NUMBER Select, MENU Previous menu
RELAY
1. RELAY 1
: ON WHEN ALARM
2. RELAY 2
: ON WHEN ALARM
3. RELAY 3
: ON WHEN ALARM
4. RELAY 4
: ON WHEN ALARM
NUMBER Select, MENU Previous menu
WHEN
1. WELD
6. P1 LOW LIMIT
2. END OF WELD
7. P2 HIGH LIMIT
3. ALARM
8. P2 LOW LIMIT
4. OUT OF LIMITS
5. P1 HIGH LIMIT
NUMBER Select, MENU Previous menu
