HAKARU PLUS CORPORATION Tel. 81-6-6300-2195
05/12/16 TFL-B101Q DS (FL6)
Page 7
Apply -1V
to the
Input Pins
and adjust
bar display
to the required
position
100
0
SP1 SP2 SP3 SP4
Zero Span
Apply +1V
to the
Input Pins
and adjust
bar display
to the required
position
100
0
SP1 SP2 SP3 SP4
Zero Span
STEP D SET THE LOW INPUT SIGNAL READING ON THE BAR
1) Apply the LO input signal (-1V in this example) to the CH1 input pins.
2) Using the CH1 ZERO button adjust the bar down to the required position. In
this case, all the bar segments from mid point down to the bottom will be ON.
STEP E SET THE HIGH INPUT SIGNAL READING ON THE BAR
1) Apply the high input signal (+1V in this example) to the CH1 input pins.
2) Using the CH1 SPAN button adjust the bar to the required position. This
position could be higher or lower than the position adjusted in Step 2. In this
case, all the bar segments from mid point up to the top will be ON.
3) The scaling of CH1 for an input of -1V to +1V is now complete.
Center Zero Mode Scaling For Bipolar Inputs continued
Setpoint Adjust
The bargraph has the option to have up to 4 setpoints (two 10A Form C relays and two 5A Form A relays) installed. Each relay may
be set to activate either above or below its setpoint by inserting jumper clips on the Relay Activation header which is located on the
Display Driver Board. See the layout diagram on Page 4 and 14 for the exact location. The steps to setup the setpoints are as follows:
1) SELECT THE RELAY ACTIVATION MODE FOR EACH INSTALLED RELAY
Make sure that the required relays have been installed in the meter. Refer to the component layout on Page 14 for relay
positions. If a jumper clip is installed in a specific relay position on the Relay Activation Mode Header, that relay will acti-
vate when the display bar is lower that the programmed setpoint. If no jumper clip is installed in a specific relay position
on the Relay Activation Mode Header, that relay will activate when the display bar is equal to or higher than the pro-
grammed setpoint. The Diagrams below show some of the various possibilities for relay activation.
Default
SP1, SP2, SP3, and SP4 all activate when input is equal to or higher than set point.
SP2 and SP4 activate when input is lower than set point. SP1 and SP3 activate when
input is equal to or higher than set point.
SP2 activate when input is lower than set point. SP1, SP3 and SP4 activate when input
is equal to or higher than set point.
1
3 4
2
SP
1
3 4
2
SP
1
3 4
2
SP
SP1 and SP3 activate when input is lower than set point. SP2 and SP4 activate when
input is equal to or higher than set point.
SP1, SP2, SP3, and SP4 all activate when input is lower than set point.
1
3 4
2
SP
SP1 and SP2 activate when input is lower than set point. SP3 and SP4 activate when
input is equal to or higher than set point.
1
3 4
2
SP
1
3 4
2
SP
