Rice Lake Combination System - Precision Loads PL9710 Indicators with PL9774 Limit Setpoint Option - Manual (Page 2)

2 © 2010 Rice Lake Weighing Systems PN 115634 10/10
The 8 ft lead to the indicator has four conductors. The Black and Red conductors may be wired to the GND and
+12Vdc terminals as shown on the rear terminal strip of the PL9710. The Green conductor connects to terminal L1
(Limit 1) and the White conductor connects to terminal L2 (Limit 2) on the rear strip of the PL9710. The 15 ft Red
(Power) lead of the PL9774 is wired to the positive power source of the lights or alarms being used, with
light/alarm ground wired to the negative power source terminal. Green (L1) and White (L2) conductors are wired
to the positive terminals of the light or alarm as shown in Figure 2.
Figure 2. Digital Output Drawing
Program Setup
To set limits and limit deadband,
1. Press the Menu key for 5 seconds to enter the Setup mode.
2. Advance to Set Limit 1 by pressing the Up Arrow key on the upper right area of the PL9710.
3. Enter the value desired for Limit 1.
4. After entering the screen will ask you to enter a Limit 1 deadband.
The factory default setting is +/- 500 for the deadband.
5. Change the deadband if desired, otherwise press Cancel and forward to Set Limit 2 .
6. Enter the value desired for Limit 2, followed by either change to or Cancel of the desired deadband for
Limit 2.
7. Exit the Setup mode.
Operation
Verify Limit 1 and Limit 2 setpoint operation. If using lights, Limit 1 will activate once the setpoint threshold is
reached. Limit 1 will deactivate when Limit 2 is reached. Either flashing or continuous lights or LED’s may be
used.
Specifications
Relay Rating: 250 Vac/Vdc, 5 amp
Module Size: 3"W x 7"L x 2"H (76 mm x 178 mm x 51 mm) NOTE: For in-cab mounting only.
Deadband: A relay trips when the display is equal to or greater than the limit. The relay will be untripped if the display
drops to a value that is less than the limit minus that deadband value.
NOTE: Module is for in-cab mounting only. Module not to be installed externally unless housed inside a weatherproof enclosure.
four conductors. The Black and Red con
terminals as shown on the rear termin
connects to terminal L-1 (Limit 1) and