Honeywell SMART DCM PRODUCT DATA
GENERAL
Honeywell FEMA's Smart DCM Electronic Pressure Switches are microprocessor-controlled pressure measurement devices for relative pressures of -1…+1 bar and 0…40 bar. They are suitable for an extremely wide range of applications, including the precision recording, monitoring, and control of system pressures. They come complete with an angled M12x1 plug and are screwed (G1/2”) directly into the line / vessel to be monitored.
FEATURES
•Open-collector
•Configurable as min./max./window monitor
•Adjustable drop-in/drop-out delay
•Hysteresis defined by set-point and reset-point
•Backlit LCD graphical display (Human-Machine-Interface models, only) can be swiveled for better readability; display can be rotated in 90° steps by software
•Self-monitoring
TECHNICAL DATA
Materials |
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Parts in contact w/ medium |
Stainless steel (1.4571) |
Chemical resistance |
4C4 as per EN 60721-3-4 |
HMI |
PA66 GF25 |
Total weight |
300 g without, 350 g with HMI |
Storage temperature |
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Versions without HMI |
-40...+80 °C (≤ 16 bar) |
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-40...+100 °C (> 16 bar) |
Versions with HMI |
-30...+80 °C |
® U.S Registered Trademark
Copyright © 2008 Honeywell Inc. • All Rights Reserved
Smart DCM
ELECTRONIC PRESSURE SWITCHES
PRODUCT DATA
Ambient (operating) temperature and humidity
Versions without HMI |
-20...+80 °C |
Versions with HMI |
-20...+70 °C |
Humidity |
0...95% r.h., non-condensing |
Temperature of medium |
-20…+80 °C |
Climate class |
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Indoors |
4K4H as per EN 60721-3-4 |
Outdoors |
3K8H as per EN 60721-3-3 |
Mechanical stability |
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Vibration |
20 g as per IEC 68-2-6 (up to |
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2000 Hz) |
Mechanical shock |
100 g as per IEC 68-2-27 |
Device resistance / Accuracy (combined non-linearity, hysteresis, and repeatability at 20 °C)
pressure range |
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P ≤ 16 bar |
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P > 16 bar |
overpressure safety |
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2x Pnominal |
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2x Pnominal |
burst pressure |
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4x Pnominal |
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10x Pnominal |
sensor type |
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piezo |
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thin-film |
accuracy |
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max. ±0.8% FS |
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max. ±1% FS |
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±0.5% FS (typ.) |
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±0.6% FS (typ.) |
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Pressure meas. range |
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0…40 bar, -1…1 bar |
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Cycle time |
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100 ms |
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Protection rating |
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Models without HMI |
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IP67 as per EN 60529-2 |
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Models with HMI |
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IP65 as per EN 60529-2 |
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EMC |
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Conforms to EN 61326 |
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Protection class |
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2 as per EN 61010 |
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Process connection |
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G1/2" external thread |
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Electrical connection |
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4-prong A-coded M12x1 plug |
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Power supply |
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18…35 Vdc, max. 30 mA |
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(without load) |
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Main switch load |
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250 mA (overcurrent protection) |
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Switch output |
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Output, high level (min.) |
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VSUPPLY minus 2 V |
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Output, low level (max.) |
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GND plus 0.5 V |
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WARN output voltage |
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passive: VSUPPLY - 2 V |
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active: ≤ 0.5 V |
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Reaction time |
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max. 300 ms |
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Span, offset, and long-term drift (within temperature compensation range of 0…80 °C)
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temp. effect on span |
max. |
typical |
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±0.3% FS / 10 K |
±0.2% FS / 10 K |
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temp. effect on offset |
±0.3% FS / 10 K |
±0.2% FS / 10 K |
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long-term drift* |
±0.3% FS / year |
±0.2% FS / year |
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MU0B-0561GE51 R0608
SMART DCM – PRODUCT DATA
MODEL KEY
PS = Pressure Switch
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1 = G½” pressure connection |
H = HMI |
S = Service* |
S = Standard |
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P S |
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H |
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R B 0 1 0 |
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1 |
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S |
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bar (rel.) |
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RV101 = -1...1 |
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RB001 = |
0...1 |
bar (rel.) |
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RB004 = |
0...4 |
bar (rel.) |
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RB010 = |
0...10 |
bar (rel.) |
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RB016 = |
0...16 |
bar (rel.) |
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RB025 = |
0...25 |
bar (rel.) |
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RB040 = |
0...40 |
bar (rel.) |
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*Only in combination with non-HMI models.
Fig. 1. Overview of models
Mounting and Electrical Wiring
The device is mounted directly to the pipe via a G1/2" (standard manometer) process connection (size 27 wrench). This process connection serves to fasten and secure the device in place. All mounting orientations are permitted.
Pin Assignment of Plug
The plug is an A-coded, four-prong M12 plug (see Fig. 3).
WARN |
1 L+ |
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2 |
P |
1 |
L+ |
2 |
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3 |
WARN |
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4 |
4 |
L- |
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OC PNP |
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L- 3 |
OC PNP |
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Fig. 3. A-coded M12 plug
INSTALLATION
Dimensions
The geometry of the G1/2" connection conforms to DIN EN 837. See also Fig. 2.
133
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M12 |
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30 |
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G 1/2”
20
100 
13
67
G 1/2” |
20 |
64 |
152 |
Fig. 2. Dimensions (in mm)
Electrical Protection
The pressure switches are protected against pole-reversal (d.c. power) and miswiring. The switches' outputs are not electrically isolated.
LCD (HMI-MODELS, ONLY)
HMI models feature a 19 X 19 mm LCD equipped with a bicolor backlight (white = normal operation; red = fault mode). LCD display information refresh is adjustable to between 1 and 9 seconds.
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ESCAPE |
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ESCAPE |
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ESCAPE |
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ESCAPE |
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ESCAPE |
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ESCAPE |
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PREVIOUS |
-0.90 |
NEXT |
Set-pt. |
NEXT |
Reset-pt. |
NEXT |
Monitor |
PREVIOUS |
Function |
NEXT |
PREVIOUS |
Drop in |
NEXT |
PREVIOUS |
Drop |
NEXT |
Closed |
PREVIOUS 5.00bar |
PREVIOUS 4.00bar |
PREVIOUS Window NEXT |
N.C. |
0s |
0s |
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bar |
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delay |
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out delay |
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MENU |
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MENU |
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MENU |
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MENU |
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MENU |
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MENU |
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MENU |
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Fig. 4. Menu structure (excerpt)
Accessories
Included in delivery: M12x1 Angled plug.
Optional:
•DMW Pressure surge reducer
•ST12-5-G Straight M12x1 plug.
Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Ecublens, Route du Bois 37, Switzerland by its Authorized Representative:
Fema Controls Honeywell GmbH
P.O. Box 1254 71099 Schönaich Germany
phone: (49) 7031-637-02 fax: (49) 7031-637-850 http:/honeywell.de/fema
Subject to change without notice. Printed in Germany MU0B-0561GE51 R0608
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