Relay Control 5-5
Controlling relays
The external relays (whether powered by the external or internal source) are controlled from
the main menus’s OUTPUT RELAYS menu item. (The main menu is accessed by pressing the
MENU key.) Each of the four output relays can be controlled from this menu.
NOTE T
able 1-3 shows the menu structure. Rules to navigate the menu follow the table.
Pressing the ENTER key accepts the current configuration while pressing the MENU
k
ey cancels the changes and recalls the previous settings.
Setting a relay (1–4) to a 1 closes the relay control circuit (energizes the relay). A 0
opens th
e circuit (de-energizes the relay).
1. From the main menu, select OUTPUT RELAYS.
2. Use the
â–²
and
â–²
arrow keys to move the blinking cursor through the available relays (1:
2: 3: & 4:). Immediately following the relay number and colon is the relay control option.
Set the rela
y control options for each relay to a 1 or 0. Selecting a 1 closes the relay con-
trol circuit to energize the relay, while 0 opens
the circuit to de-energize the relay.
3. Use the
▲ and ▼ arrow keys to toggle the blinking cursor’s value between 1 (close) or
zero (open).
4. Repeat steps 2 and 3 to set the relays as desired.
5. Save the changes for all four relays (press the Enter key located on the front panel).
NOTE T
o cancel changes made, press the MENU key (this sets the instrument back to the last
saved changes). (Changes must be cancelled before pressing ENTER.)
All relays open (sample)
OUTPUT RELAYS
1:0 2:0 3:0 4:0
Relays 1 and 2 closed and 3 and 4 open (sample).
OUTPUT RELAYS
1:1 2:1 3:0 4:0
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
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