Authorized distributors and their employees installation. can view or download this manual from the This manual applies to units using Version 1.1 of the Rice Lake Weighing Systems distributor L-Series remote display software. site at www.rlws.com Introduction...
Pre-Installation Setup 2.1.1 RS-232 The L-Series remote displays should be set up, configured, and tested before delivery to the Figure 2-2 on page 3 shows the connections required installation site. for RS-232 communications to the remote display. See the manual for your indicator to determine the This section describes RS-232 and 20 mA current i n d i c a t o r p i n...
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Remote Display Remote Display Terminal Block Terminal Block Passive 20 mA RS-232 Current Loop Shield Shield Indicator Indicator Serial Port Serial Port Chassis Ground Chassis Ground Figure 2-2. RS-232 Indicator Connections to Remote Display Terminal Block Figure 2-3. 20 mA Current Loop Connections: Passive Remote Display, Active Indicator Remote Display Remote Display...
Configuration The re mote displa y a nd i ndi c a t or sho u l d b e Switch DSW1-1 allows data sent to the remote display connected, configured, and tested before delivery to to be echoed back to the indicator or relayed to the installation site.
3.1.2 Primary and Secondary Units Switches DSW2-1 through DSW2-4 set the primary DSW2 and secondary annunciators for the remote display. Using these switches, the lb and kg annunciators can be assigned to designate pounds, kilograms, tons, or metric tons (megagrams). Decals included with the remote display can be used to change annunciator labeling to show tons (T), metric tons (t), or megagrams (Mg).
3.1.6 Time and Temperature Options If the display is unable to determine the data format used, an error message is shown. See Section 5.1 on Switches DSW3-3 through DSW3-5 control the page 11 for information about L-Series error display of time and temperature information for units messages.
Setting the Clock (for Units with the 3.1.7 Suppress Leading Zeroes Switch DSW3-6 enables suppression of leading Time Option Installed) zeroes in weight values of less than 1. If DSW3-6 is Once remote display configuration is complete and the set on, weight values of less than 1 are shown with unit powered on, set the clock by doing the following: only one zero to the left of the decimal point.
On-Site Installation Remote Display Self-Test This section describes procedures for sealing the enclosure and dimensions for mounting the L-Series When the remote display is powered on, the unit goes remote displays. Ensure that the remote display has through the following self-test procedure: been tested and works with the indicator before 1.
Troubleshooting and Repair Error Messages Table 5-1 lists error messages shown by the L-Series remote displays. The FAIL x messages indicate errors encountered during the power-on self-test sequence; input error messages are shown only if DIP switch DSW3-2 is set on. Message Meaning Cause / Correction...
Board Diagrams 5.2.1 CPU Board Figure 5-1 shows the CPU board used by the L-Series remote displays. DSW4 DSW3 DSW2 DSW1 RS-232 TIME & DATE MODULE EPROM 15V pull-up 5V pull-up 20 mA TxD –20 mA OUT EEPROM +20 mA OUT 20 mA RxD –20 mA IN +20 mA IN...
5.2.3 LCD Display Boards Figure 5-5 on page 14 and Figure 5-6 on page 15 show the LCD display boards. Each remote display uses three display boards: two secondary for digits 1 and 2, 5 and 6; one primary board for digits 3 and 4. Shaded components shown in Figures 5-5 and 5-6 are used only on the primary board.
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RICE LAKE WEIGHING SYSTEMS INTENSITY READY WRITE LCD1 LCD2 NOTE: Shaded components used on primary board only CPU_J5 Ribbon cable connection to J5 on CPU board ANNUN LEDs Figure 5-5. Model L20 LCD Display Boards, PNs 42697 (Primary) & 42698 (Secondary)
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RICE LAKE WEIGHING SYSTEMS READY INTENSITY LCD2 LCD1 NOTE: Shaded components used on primary board only WRITE CPU_J5 ANNUN LEDs Ribbon cable connection to J5 on CPU board Figure 5-6. Model L30 LCD Display Boards, PNs 42700 (Primary) & 426701 (Secondary)
Loop-Back Self-Test • For 20 mA communications, ensure that 20 mA chips are installed correctly and the The L-Series remote displays provide a loop-back jumper at JMP1 is on. See Figure 2-1 on page self-test for use in diagnosing serial communications 2 for component locations.
Specifications Power Optional Features Line Voltages 115 or 230 VAC (+10% / –15%) Time (12/24 hour selectable) Temperature (displays °C and °F) Frequency 50 or 60 Hz Power Consumption (115 VAC models) Environmental Model L20 70 W / 600 mA Operating Temperature –10°C to +40°C Model L30...
L-Series Remote Displays Limited Warranty Rice Lake Weighing Systems (RLWS) warrants that all RLWS equipment and systems properly installed by a Distributor or Original Equipment Manufacturer (OEM) will operate per written specifications as confirmed by the Distributor/OEM and accepted by RLWS. All systems and components are warranted against defects in materials and workmanship for one year.
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