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FREQUENCY DIVIDER / MULTIPLIER
Opto-isolated input with OPTO (SENSUS), NAMUR,
q
REED, NPN, PNP photoelectric sensors, paddlewheel
flow sensors F3.00.F (
12 Vdc, 100 mA built-in sensor power-supply
q
Divider selectable in a 1...9999 range (up to 3 decimal
q
digits)
Display visible divider preset value
q
Output signal :
q
n 30mA@24V static NPN / PNP (opto-isolated),
n REED relais with 250mA@100V SPST contact
2...250 ms settable output pulse time
q
Information about power on, input signal, output
q
signal
Casing suitable for being coupled onto a DIN 2M rail
q
DMF
FLOW
=
24 Vdc
=
24 Vac
X3)
FT00732–0.05-0212 DMF-UK Page 1/12
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Summary of Contents for Gesint DMF
- Page 1 30mA@24V static NPN / PNP (opto-isolated), n REED relais with 250mA@100V SPST contact 2...250 ms settable output pulse time Information about power on, input signal, output signal Casing suitable for being coupled onto a DIN 2M rail FT00732–0.05-0212 DMF-UK Page 1/12...
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Page 2: Packing List
Every two input pulses the device generates an output pulse. Example 2: Divider = 53.4 After getting the 54 pulse, the device generates an output pulse and keeps the value 0.011236 [(54/53.4) -1] stored to add it up to the next counting. FT00732–0.05-0212 DMF-UK Page 2/12... -
Page 3: Preparation For Use
= UP key to : access the programming menu increase the digit selected during the value modification [1] it lights up only during programming [2] active only when operating FT00732–0.05-0212 DMF-UK Page 3/12... -
Page 4: Power Supply
Check the instrument model (see code) and select the correct power supply voltage to prevent damages. Model Power supply 24 Vac / 24 Vdc ± 10% Always provide adequate protection against voltage surges to avoid irreversible damages to the device. FT00732–0.05-0212 DMF-UK Page 4/12... -
Page 5: Electrical Connections
= 7 (IN) 4.6.4.4 OPTO INPUT (SENSUS) Connect terminal 11 (N/P) to terminal 12 (+12) (see figure 8) Input for NAMUR type static sensors (max 400 Hz): positive = 7 (IN) negative = 10 (COM) FT00732–0.05-0212 DMF-UK Page 5/12... - Page 6 Connect terminal 11 (N/P) to terminal 12 (+12); see figure 12 (cable connenction) or figure 13 (DIN connector) Input for paddlewheel flow sensor (max 400 Hz): white = 12 (+12) brown = 10 (COM) green = 7 (IN) FT00732–0.05-0212 DMF-UK Page 6/12...
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Page 7: Functional Check
The device is suitable for transforming signals coming from a liter-counter into liters or cubic meters. 5.1 OPERATION When operating, the display is off; three DPs indicate: PWR (power on) IN (active input) OUT (active output) FT00732–0.05-0212 DMF-UK Page 7/12... - Page 8 To exit (and confirm the new set value) press SHIFT for one straight second. The digit you have selected will stop flashing. 5.2.4 DECIMAL POINT “dP” PARAMETER 0: no DP (9999) 1: one DP (999.9) 2: two DPs (99.99) 3: three DPs (9.999) FT00732–0.05-0212 DMF-UK Page 8/12...
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Page 9: Manual Controls
Short-circuit protection through self-resetting fuse. Max admissible distance for cables : 3 metres. 5.4.3 REED OUTPUT SPST contact. Max voltage: 100V. Max current: 250 mA. The coil is optoisolated to reduce the effects of inductive returns in the control electronics. FT00732–0.05-0212 DMF-UK Page 9/12... -
Page 10: Maintenance
Storage temperature : -20°… +60°C Relative humidity: 0…95% - non condensing Dry and clean environments are recommended. Avoid any exposure to corrosive acid exhalations. Do not wash the apparatus with water. Prevent liquid entrance in the internal circuits. FT00732–0.05-0212 DMF-UK Page 10/12... -
Page 11: Accessories And Options
All assistance operations must be carried out by the manufacturer or by an authorized representative. Pack the instrument carefully, enclose both a brief description and a full description of the nature of the malfunction with the package, and send to the manufacturer. FT00732–0.05-0212 DMF-UK Page 11/12... - Page 12 Document: FT00732-UK rev. 0.05 of 26/01/2015 L. Agostini Drawn up by: P. Bruno Verified by: Manufactured by REEL TORINO SRL M. Stillavato Approved by: RAEE:IT08020000002184 FT00732–0.05-0212 DMF-UK Page 12/12...
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