83
pins 1,6,8, and 9 to the common pin 7, in different combinations. The
Remote File Select
Truth Table
(binary) shows the different combinations of momentary switch (relay) closures,
and which memory programs that will be selected as the result. It may be necessary to "OR"
the momentary switches (relay contacts) to prevent incorrect program selection due to timing
errors.
REMOTE FILE SELECT TRUTH TABLE
BIT 4
BIT 3
BIT 2
BIT 1
FILE #
0 0 0 1
01
0 0 1 0
02
0 0 1 1
03
0 1 0 0
04
0 1 0 1
05
0 1 1 0
06
0 1 1 1
07
1 0 0 0
08
1 0 0 1
09
1 0 1 0
10
1= Momentary Contact closure between BIT and COMMON
0= No Contact closure between BIT and COMMON
Activating file program functions through the remote connector selects the
file and starts the test that is pre-programmed into that file.
Do not connect voltage or current to the signal inputs. Applying voltage to
the signal input could result in damage to the control circuitry.
Remote Interlock
7630 is equipped with a featured referred to as “Remote Interlock”. Remote Interlock is a
feature that utilizes a set of closed contacts to enable the instruments output. In other words,
if the Interlock contacts open, the output of the instrument will be disabled. Remote
Interlock could also be referred to as a remote system lockout, utilizing “Fail When Open”
logic. If the Interlock contacts are open and the Test button is pushed, a pop-up message will
be displayed on the screen for two seconds. The message will appear as follows:
WARNING
CAUTION
I n t e r l o c k i s
O p e n
P l e a s e c h e c k t h e R e m o t e I n t e r l o c k
c o n n e c t i o n
.