Central Carolina Scale
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Discontinued - Flex-Weigh DWM-IV Digital Weightmeter

Flexweigh DWM-IV was designed for even the most rugged industrial environments. As the benchmark unit for all full-function weightmeters, it offered a long menu of versatile features, precision accuracy, and unsurpassed reliability. No longer available but we do offer parts and replacement versions

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Call: (919) 776-7737

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We do offer Flex Weigh DWM-IV Replacement Parts, call or email for details

The DWM-IV is designed for even the most rugged industrial environments. As the benchmark unit for all full-function weightmeters, it offers a long menu of versatile features, precision accuracy, and unsurpassed reliability. The DWM-IV has proven itself as one of the most successful models of all time.

Features Included

Keyboard Programmable Setup: All select functions, setup and calibration are programmable through the keyboard. Access to setup mode is enabled by internal program select.
Note: * indicates a programmable function
Pushbutton Zero * Used for establishing gross zero. Enabled at a range of 2% or full scale capacity.
Pushbutton Tare Automatically tars the weight of the object placed on the scale.
Auto Zero Tracking * Automatically tracks zero within 1/4 digit to ensure a stable zero.
Gross/Net Pushbutton View net and gross weight when tare weight has been entered.
Print Pushbutton * Transmits data out of serial port.
Numeric ID * Single register to enter up to seven digits of numeric identification.
CN * Six digit consecutive number increments each time the print button is pressed.
Recall Tar Pushbutton * Used for recall viewing of tare weights.
Keyboard Tare * 10 Tare lookup (0-9) to enter predetermined tare values.
PC WT Entry* 9 Piece weight look-up (1-9) determines count by entering pre-determined piece weight.
Weight Accumulators * 10 weight accumulation registers with sub-total/total.
Digital Filter * Compensate for vibration or motion, keyboard selected from 1 to 32 updates per average.
Data Output * Serial ASCII 20MA current loop with selectable baud rates (150-19, 2K), selectable auto or manual print, continuous data out, or bi-directional communication.
Remote Control Inputs Zero; Tare; Net/Gross; Print. Requires voltage free contact.
Enclosure NEMA-12 wallmount/dust tight

DWM-IV STANDARD wallmount w/ NEMA-12 enclosure .12"h X 10"w X 5"d
DWM-IV/DM DESKMOUNT w/ NEMA-12 enclosure . . . . 5"h X 10"w X 12"d
DWM-IV/PM PANELMOUNT w/ chassis . . . . . . . . . . . . . 6"h X 11"w X 10"d
DWM-IV/UC UNCASED w/ circuit boards mounted to standard subplate

DWM-IV OPTIONS

TD TIME AND DATE with battery back-up memory
RFI RADIO FREQUENCY INTERFACE protection kit
LB/KG POUNDS-KILOGRAM select. EPROM A1.01
OBB OPTION BOARD BRACKET -- Required for mounting option boards Will accommodate two option boards
DDO * DUAL DATA OUTPUT -- Provides two RS-232 and two 20MA
current loop output ports. One port transmits continuous data while the second port transmits on command
DUAL * RS422/RS485 OUTPUT -- Functions same as Dual Data Output .
BCD * BCD OUTPUT -- Six digit parallel output with status. TTL positive
true logic
AO * ANALOG OUTPUT -- Specify: 4-20MA or 0-5 VDC or 0-10 VDC
output of displayed weight
AOH * HIGH RESOLUTION ANALOG OUTPUT -- 16 Bit resolution
RYB * RELAY BOARD with relay sockets for up to eight solid state output relays
SSR SOLID STATE RELAY RATED
3-60 VDC @ 3 AMP
12-280 VDC @ 2 AMP
1 2-280 VAC @ 5 AMP
ASB * ARC SUPPRESSOR BOARD with one suppressor, used for arc
suppression of AC inductive loads
Each additional arc suppressor (maximum 8)
HTR HEATER -- Thermostatically controlled (25W/55°F)
TS TABLE STAND -- For wallmount enclosure. 60° mount
QDQ QUCK DISCONNECT CONNECTOR -- For load cell signal cable

* Requires OBB option board bracket

Keyboard Sealed keyboard with tactile keys.
Display 6 digits and (-) sign. Seven segment, 0.5" high blue vacuum fluorescent type, with annunciators for: function select; center zero; tare; net; pieces.
Internal Raw Count 80,000 counts, maximum.
Display Resolution 1 part in 10,000 maximum
Display Increments x1, x2, x5, x10, x20, x50, x100
Decimal Point Location Selectable 1 to 4 places to the left
A/D Conversion Rate 15 updates per second.
Response Time Zero to full scale capacity, selectable from 0.5 to 4 seconds.
Display Rate Selectable 0.25, 0.5, 1, 2, 5, 10 or 20 updates per second.
Over Capacity Displays 'OLOAD' at 102% of Full Scale capacity.
Center Zero Light indication when scale is within +/- 0.25 digit of center of zero.
Load Cell Excitation 15 VDC, powers up to twelve (12) 350 ohm load cells.
Input Sensitivity 0.8 to 6 microvolts per digit.
Accuracy .01% of full scale maximum.
Data Output Serial ASCIII 20MA current loop with selectable baud rates (150-19.2K), selectable auto or manual print, continuous data out, or bi-directional communication.
Operating Temperature -10° C to +40° C (+14°F to +104°F).
Humidity Maximum 95% RH non-condensing.
Power 120 or 240VAC, 50/60 HZ, 25 watts.
Dimensions 12" H x 10"W x 5"D
Weight: 16 lbs.
Outputs Dual Port serial RS-232 and/or 20MA current loop; RS-422; RS-485;Parallel BCD; Analog 4-20MA or 0-5VDC; High resolution Analog
Battery Backup Provides battery protected memory for all storage registered.
Time and Date Battery backed up time and date with selectable 12 or 24 hour mode.
Setpoints Reference DWM-IV PWC.
N4X Enclosure NEMA-4 Stainless Steel watertight wallmount enclosure.
Table Stand Provides 60° angle mount stand for wallmount enclosure.

FWC Model DWM-IV Digital Weightmeter Spare / Replacement Part List

Description ........................................................................... Part#
Motherboard ……..............................................................………MB 2850
A/D Converter Board …………………………....…......................…..MA 2853
High Speed Filler A/D Board ………………………......................….MA 2853 HSF
RFI Kit, (uses your existing A/D board …………….................….…RFI Kit
Display Board ………………………………………........................…MA 2847
Keyboard ………………………………………........................…...…MB 2855
Relay Board, Expanded I/O S.S. Switches …………..................… MB 2476
SSR, S.S. Relay, 110-240 VCA, 2A output (standard) .................. D2W202F
SSR, S.S. Relay, 110-240 VCA, 5A output (optional) .................…PX240D5
SSR, S.S. Relay, 120VAC input ……………………....................… DMP6201A
SSR, S.S. Relay, 60 VDC input …………………........................… DMP6301A
SSR, S.S., 10-32 VDC input ……………………..........................… DMP6101A
MOV's, 150 VAC or 250 VAC …………………........................…… MOV
Quencharc Board ……………………………….......................…..… MA 2928
Quencharcs ………………………………...…….......................…… QA
Diodes (for DC applications) …………………….......................…… 1N914
DDO, Dual Data Output Board (RS-232 & Current Loop) ................ MA 3070
AO, Analog Output Board (4-20mA or 0-5 Volt) ............................. MA 3091
AO with 20% offset (requires modified board and eprom
9891-A) …………………………...…….......…….........................…. MA 3091
AOH, Hi-Res 16 Bit Analog Output (requires custom
software, eprom 29789-C) ……………………...........................…… MA 5141
Load Cell Summing Board ……………………….......................…… MB 1705
BCD Board ………………………………………............................… MB 3366
OBB, Option Bracket, holds two option boards ….....................…. OBB
EPROM, DWM IV standard …………………....…......................… EPROM
EPROM, custom, non standard ……………………....................… EPROM
Load Cell Simulator …………………………......................…......… LC-Sim.
TD, Time / Date ………………………………........................……… T/D
Ribbon cables - short (Included with optional circuit board) ……….……..
Ribbon cable - long (for DWM IV display board) …………….
Ribbon cable 48" …………………………………..…………..
Ribbon cable 96" ………………………..………..
Sonalert alarm sounder (120 VAC of 5 VDC) ………………..
Power cord, 120 VAC ……………………………………...
BCD switch …………………………………………………….
BCD knob …………………………………….………...
Heater ……………………………….………….
Heater W / Thermostat …………………………….………….
Switch Assembly, Telemecanique. Includes all parts, including the legend
plate. Specify style of operator and type of contacts blocks (up to
four) ………...……………………………….…….


CIRCUIT BOARD EXCHANGES AVAILABLE DWM IV
Motherboard ………………………….……MB 2850
A/D Board ……………………………....…MA 2853
Display Board ……………………………. MA 2847