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Spirax Sarco SX75 Series, Installation And Maintenance Instructions Manual, Page: 16 / 24

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Spirax Sarco SX75 Series Installation And Maintenance Instructions Manual Download Page 16

14

!

Y3

Y2

Load

13
14
15

V ~

Load

500 

W

min.

28
29

Load

Normally open contacts, capacity

5A/250Vac for resistive loads (transitions

2x10 (coeff.5) min. at 5A/250Vac)

Galvanically isolated

4..20mA, 10Vdc max. or

0..10Vdc, 20mA max.

Retransmission:

of input signal X

of Set point W

of output Y1F (Cool)

 Passing from 4..20mA (standard)

to 0..10Vdc, by moving a

JUMPER       inside the controller

4…20 mA

0…10 Vdc

Y4

Retransmission

output Y1F

(option)

TX

RX

2
3
4

1

Transmission

Reception

Interface 20mA closed loop

passive and galvanically isolated

or RS485 port

A

V

Zener

2,7 V

6 • Event outputs Y2 and Y3 (see p.15)

7 • Retransmission output Y4 (SX75+ only)

8 • Serial communication (SX75+ only)

Note

Zener 2,7 V  Only for 20mA

closed loop

4. ELECTRICAL WIRING

Summary of Contents for SX75 Series

Page 1: ...3231350 3 Issue 3 Printed in the UK Copyright 2006 SX75 Series Process Controller Installation and Maintenance Instructions...

Page 2: ...WORD PROTECTION page 15 6 PROGRAMMING INSTUCTIONS FUNCTIONS MENU CONFIGURATION SETTING OF PARAMETERS see enclosed leaflet 7 OPERATING INSTUCTIONS second leaflet FUNCTIONS MENU CHANGING NUMERIC VALUES...

Page 3: ...controller is designed as an installation category II product and is reliant on the building installation for over current protection and primary isolation Wiring should be carried out in accordance...

Page 4: ...product or its wiring is located near a radio transmitter Excessive electrical noise occurs on the mains supply Cellular telephones and mobile radios may cause interference if used within approximate...

Page 5: ...of measure X is expressed in engineering units If value over range If value under range In parameters displays parameter values In configuration displays the values of EFGH configuration code see encl...

Page 6: ...to write Flashes with signal in transit Loop Break Alarm With output Y3 active and configured as Loop Break Alarm the front displays X and W will flash see p 15 3 2 1 Output Y1 red Output Y1 red Outp...

Page 7: ...ing Enter or Scroll of values and modes of operation Change from Automatic to Manual operation and vice versa Set Point Digit selection Increment digit Functions Enter Auto Man KEYS 1 Local 4 storable...

Page 8: ...jection W F A M AMBIENT Temperature 0 50 C Humidity 30 85uR Install away from heat sources corrosive gases dusty environments Do NOT force cross screwdriver HR mV V A kW psi Bar F MPa l m m3 h Nm3 h C...

Page 9: ...e plate to free the location pin 2 Depress the plate to engage the pin 1 Rotate upwards With eyelet terminals 6 9 max With tinned wire 6 7 With fork terminals 6 9 max Cable section wires N 0 25 2 5 AW...

Page 10: ...20 11 1 Single out supply line from power line Keep away from electromagnetic contactors and powerful motors Channel for low level signal conductors Power supply and output channels A B C D E A B C D...

Page 11: ...or wire A B B 7 9 10 B For RTD Pt100 C Continuous mA Volt Input mA Volt Auxiliary supply for transmitter 6 7 9 Rj X i 4 20 mA 6 7 9 Rj Transmitter 24 Vdc For 2 wire transmitter For 3 or 4 wire transmi...

Page 12: ...C2 H C3 External contacts Closing of contacts C1 C2 C3 for two seconds permits the selection AUTO or MAN Local or Remote Set point and recalling the 4 memorized Set points 4 Logic inputs From 100 to 1...

Page 13: ...will protect the controller from switching the actuators high current loads avoid introducing high current loops within the proximity of the controller and provide an easily replaceable switching ele...

Page 14: ...act rating 5A 250Vac for resistive loads transition 2 x 10 coeff 5 min at 5A 250Vac 6 Main output Y1 Y1 Y1 B single in current 450 W max 19 20 C single in voltage 19 20 Load Load D single logic Y1 19...

Page 15: ...limit 0 100 Y1F limit 0 100 0 100 100 0 Cool Heat Cool 100 Y1F output cool Y1C output heat Output feature of dual action controllers NA Dead band 6 Main output Y1 continued Terminals 16 17 Y1 s Heat...

Page 16: ...oint W of output Y1F Cool Passing from 4 20mA standard to 0 10Vdc by moving a JUMPER inside the controller 4 20 mA 0 10 Vdc Y4 Retransmission output Y1F option TX RX 2 3 4 1 Transmission Reception Int...

Page 17: ...swords have to be entered 5 2 Access to programming group 3 parameters password 1111 1111 3333 1111 Enter password of access to configuration see enclosed leaflet OK Return to normal function YES NO I...

Page 18: ...e of these set values is recalled the small auxil iary display on the front of the instru ment shows the set number recalled sl u Rate of change for increase of the main set point SP Any new value of...

Page 19: ...escription Customer set Values C_F C or F 0 Group1 Set point parameter settings Parameter Description Default Customer set Value Values S P 1 Set point 1 10 40 S P 2 Set point 2 20 60 S P 3 Set point...

Page 20: ...een 0 to 300 steps This value is with reference to set point W Active high Active low Event set point is variable within the input signal scale range Active high Active low Event set point is variable...

Page 21: ...input or output signals will cause the output Y3 to be energized after a few minutes and front display X and W will flash The alarm state will stop when the fault is corrected or if a key is pressed...

Page 22: ...al Sp to Remote Sp __ ON C2 C3 C1 IL2 IL3 IL1 Operating mode options COM IL1 IL2 IL3 H C1 21 22 23 24 H C2 H C3 External contacts Note 1 Is possible to fix the selected Set point holding closed the re...

Page 23: ...radient slope 0 1 100 0 digit min Higher and lower limit from beginning to end of scale Local Remote Set point In current 4 20mA Ri30 Not isolated accuracy 0 1 at 25 C In voltage 0 10Vdc Ri 330k Contr...

Page 24: ...4 20mA 450W max 10Vdc max galvanically isolated Voltage 0 10Vdc 500W min 20mA max Serial commnication SX75 only Interface 20mA C L passive and galvanically isolated see manual MIU CS E or RS485 port P...

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