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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 1
1604-7 Temperature Controller with mA Output Issue date r USER'S MANUAL May 2000 Chr omal ox 1604 1604-7-0-AB.p65 5/16/00, 10:50 AM 1 ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 2
CONTENTS MOUNTING REQUIREMENTS ........................... 1 OUTLINE AND CUT OUT DIMENSIONS ........... 2 CONNECTION DIAGRAMS ................................ 3 PRELIMINARY HARDWARE SETTINGS ........... 9 CONFIGURATION PROCEDURE .................... 10 OPERATIVE MODE .......................................... 18 Display function ................... ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 3
III Model identification Model 1604 1/16 DIN Temperature Controller Code Output 1 - Heat or Cool 7 20 mA Output Code Output 2 - Alarm 1 Relay, 2 Amp at 250 VAC (Resistive load) Code 0 None 1 Out #3, 2 Amps at 250 V AC (Resistive load) 2 Heater Break Down input, Out #3 3 RS 485 Digital communications, Out #3 4 RS 485 Digital comm., Heater Break Down ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 4
1 MOUNTING REQUIREMENTS Select a mounting location where there is minimum vibration and the ambient temperature range between 0 and 50 °C. The instrument can be mounted on a panel up to 15 mm thick with a square cutout of 45 x 45 mm. For outline and cutout dimensions refer to Fig. 2. The surface texture of the panel must be better than 6,3 m m. Th ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 5
2 OUTLINE AND CUT OUT DIMENSIONS Fig. 2 OUTLINE AND CUT-OUT DIMENSIONS 3.0 (75) 2.4 (60) 1.77 (45) 1.77 (45) 1.9 (48) 2.2 (56) 4.8 (122) 1604-7-1-AB.p65 5/16/00, 10:50 AM 2 ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 6
3 CONNECTION DIAGRAMS Connections are to be made with the instrument housing installed in its proper location. Fig. 3 .A REAR TERMINAL BLOCK A) MEASURING INPUTS NOTE : Any external components (like zener barriers etc.) connected between sensor and input terminals may cause errors in measurement due to excessive and/or not balanced line resistance o ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 7
4 LINEAR INPUT Fig. 6 mA, mV AND V INPUTS WIRING NOTE : 1) Don’t run input wires together with power cables. 2) Pay attention to the line resistance; a high line resistance may cause measurement errors. 3) When shielded cable is used, it should be grounded at one side only to avoid ground loop currents. 4) The input impedance is equal to: < 5 ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 8
5 B) LOGIC INPUT Safety note: 1) Do not run logic input wiring together with power cables. 2) Use an external dry contact capable of switching 0.5 mA, 5 V DC. 3) The instrument needs 100 ms to recognize a contact status variation. 4) The logic inputs are NOT isolated by the measuring input Fig. 7 - LOGIC INPUT WIRING This logic input allows to sele ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 9
6 LINEAR OUTPUT This instrument is equipped with one linear output (OUT 1) programmable as: - main output (heating or cooling) - secondary output (cooling) - analog retransmission of the measured value - analog retransmission of the operative set point. Fig. 10 mA OUTPUT WIRING It is an isolated analog output. Maximum load: 500 W . INDUCTIVE LOADS ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 10
7 SERIAL INTERFACE RS-485 interface allows to connect up to 30 devices with one remote master unit. Fig. 11 - RS-485 WIRING The cable length must not exceed 1.5 km at 9600 BAUD. NOTE : The following report describes the signal sense of the voltage appearing across the interconnection cable as defined by EIA for RS-485. a) The ” A ” terminal of ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 11
8 NOTE : a single switch or circuit-breaker can drive more than one instrument. 9) When the NEUTRAL line is present, connect it to terminal 4. 1604-7-1-AB.p65 5/16/00, 10:50 AM 8 ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 12
9 PRELIMINARY HARDWARE SETTINGS 1) Remove the instrument from its case. 2) It is necessary to set J106 according to the desired input type as shown in the following figure. INPUT J106 TYPE 1-2 3-4 5-6 7-8 9-10 TC-RTD open close open open open 60 mV open close open open open 5 V close open close open open 10 V open open close open open 20 mA open op ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 13
10 GENERAL NOTES for configuration. FUNC = This will memorize the new value of the selected parameter and go to the next parameter (increasing order). MAN = This will scroll back the parameters without memorization of the new value. s = This will increase the value of the selected parameter t = This will decrease the value of the selected parameter ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 14
11 21 = TC type J range -150 / +1830 ° F 22 = TC type K range -150 / +2500 ° F 23 = TC type T range -330 / +750 ° F 24 = TC type N range -150 / +2550 ° F 25 = TC type R range 0 / +3200 ° F 26 = TC type S range 0 / +3200 ° F 27 = RTD type Pt 100 range-199.9 / +400.0 ° F 28 = RTD type Pt 100 range -330 / +1470 ° F NOTE : selecting P1 = 0, 2, ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 15
12 P7 = analog retransmission - initial scale value. Available only when P5 = Pv.rt or SP.rt. It is programmable from -1999 to 4000. The decimal point will be positioned as selected with P2 parameter. P8 = analog retransmission - full scale value. Available only when P5 = Pv.rt or SP.rt. It is programmable from -1999 to 4000. The decimal point will ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 16
13 P12 = Alarm 2 operating mode Available only when P11 is equal to "AL2.P", "AL2.b" or "AL2.d". H.A. = High alarm (outside for band alarm) with automatic reset (latched). L.A. = Low alarm (inside for band alarm) with automatic reset (latched). H.L. = High alarm (outside band) with manual reset (latched). L.L. = low al ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 17
14 The configuration procedure is completed and the instrument shows " -.-.-.-. " on both displays. If no other setting is necessary, push the FUNC pushbutton, the display returns to show "COnF". Otherwise access to the advanced configuration parameter proceeding as follows: 1) using s and t pushbuttons to set the 262 code on th ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 18
15 P24 = Alarm 1 action Available only when P9 = "AL1.P", "AL1.d" or "AL1.b". dir = direct action (relay energized in alarm condi- tion) rEV = reverse action (relay de-energized in alarm condition) P25 = alarm 1 stand-by (mask) function Available only when P9 = "AL1.P", "AL1.d" or "AL1.b". ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 19
16 2 = the instrument starts in the same way it was left prior to power shut down but if the instrument was in manual mode, it will restart with a power output equal to 0. 3 = the instrument starts in the same way it was left prior to power shut down but if the instrument was in manual mode, it will restart with the same power output it had prior t ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 20
17 NOTE : when the instrument detects an out of range condition, it assignes the P38 value to the PID output but P18 and P20 parameter are still active. P39 = Digital filter on the displayed value It is possible to apply to the displayed value a digital filter of the first order with a time constant equal to : - 4 s for TC and RTD inputs - 2 s for ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 21
18 OPERATIVE MODE 1) Remove the instrument from its case. 2) Set the internal dip switch V101 in closed condi- tion 3) Re-insert the instrument. 4) Switch on the instrument. DISPLAY FUNCTION The upper display shows the measured value while the lower display shows the programmed set point value (we define the above condition as “ normal display mo ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 22
19 Pushbutton functionality during operating mode. FUNC = o when the instrument is in "normal display mode" 1) with a brief pressure (<3s) it starts the parameter modification procedure. 2) with a pressure within 3s to 10s it changes the indication on the lower display (see "display function"). 3) with a pressure longer than ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 23
20 DIRECT ACCESS TO SET POINT When the device is in AUTO mode and in “ Normal Display Mode ” , it is possible to access directly to set point modification (SP or SP2). Pushing s or t for more than 2 s, the set point will begin changing. The new set point value becomes operative since no pushbutton has been depressed at the end of 2 s timeout. M ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 24
21 SERIAL LINK The device can be connected to a host computer by a serial link. The host can put the device in LOCAL (functions and parameters are controlled via keyboard) or in REMOTE (functions and parameters are controlled via serial link). The REMOTE status is signalled by the decimal point (labelled REM) at the right hand of the LSD of the upp ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 25
22 When it is desired to switch from LOCK to UNLOCK condition, set a value equal to P17 parameter. When it is desired to switch from UNLOCK to LOCK condition, set a value different from P17 parameter. AL1 Alarm 1 threshold This parameter is available only if P 9 is equal to AL1.P, AL1.b or AL1.d. Ranges: - Span limits for process alarm. - From 0 to ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 26
23 Note :When device is working with SMART algorithm the Pb value will be limited by P31 and P32 parameters. HyS Hysteresis for ON/OFF control action This parameter is available only when Pb=0. Range: from 0.1% to 10.0% of the input span. ti Integral time This parameter is skipped if Pb=0 (ON/ OFF action). Range: from 00.01 to 20.00 [mm.ss]. Above ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 27
24 Grd1 Ramp applied to an increasing set point change Range: from 1 to 100 digits per minute. Above this value the display shows “ InF ” meaning that the transfer will be done as a step change. Grd2 Ramp applied to a decreasing set point changes For other details see Grd1 parameter. OLH Output high limit Range: - From 0.0 to 100.0 % of the out ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 28
25 ERROR MESSAGES OVERRANGE, UNDERRANGE AND SENSOR LEADS BREAK INDICATIONS The device is capable to detect a fault on the process variable (OVERRANGE or UNDERRANGE or SENSOR LEADS BREAK). When the process variable exceeds the span limits established by configuration parameter P 1 an OVERRANGE condition will be shown on display as show in the follow ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 29
26 ERROR LIST SEr Serial interface parameter error. 100 Write EEPROM error. 150 CPU error. 200 Tentative to write on protected memory. 201 - 2xx Configuration parameter error. The two less significant digits shown the number of the wrong parameter (ex. 209 Err shows an Error on P9 parameter) 299 Error on control output selection. 301 Selected input ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 30
27 GENERAL INFORMATIONS GENERAL SPECIFICATIONS Case : Polycarbonate grey dark color; self-extin- guishing degree: V-0 according to UL 94. Front protection - designed and tested for IP 65 (*) and NEMA 4X (*) for indoor locations (when panel gasket is installed). (*) Test were performed in accordance with CEI 70- 1 and NEMA 250-1991 STD. Installation ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 31
28 STANDARD RANGES TABLE B) RTD ( R esistance T emperature D etector) Input : for RTD Pt 100 W , 3-wire connection. Input circuit : current injection. °C/°F selection : via front pushbuttons or serial link. Line resistance : automatic compensation up to 20 W /wire with no measurable error. Calibration : according to DIN 43760 Burnout : up scale. ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 32
29 SET POINTS This instrument allows to use 2 set points: SP and SP2. The set point selection is possible only by logic input. Set point transfer : The transfer between one set point to another (or between two different set point values) may be realized by a step transfer or by a ramp with two different programmable rate of change (ramp up and ramp ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 33
30 Output level limiter : - For one control medium: from 0 to 100 % . - For two control mediums: from -100 to +100 %. This function may be operative at instrument start up for a programmable time (To avoid thermal shock and/or preheating the plant) otherwise it can be enabled by an external contact. OUTPUT 1 Type: optoisolated 0-20 mA or 4-20 mA pr ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 34
31 Operative mode : High or low programmable. Threshold : programmable from - 500 to +500 units. Hysteresis : programmable from 0.1 % to 10.0 % of the input span or 1 LDS. SERIAL COMMUNICATION INTERFACE Type : RS-485 Protocol type : MODBUS, JBUS, ERO polling/ selecting. Baud rate : programmable from 600 to 19200 BAUD. Byte format : 7 or 8 bit progr ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 35
Appendix A.1 APPENDIX A DEFAULT PARAMETERS DEFAULT OPERATIVE PARAMETERS The control parameters can be loaded with predetermined default values. These data are the typical values loaded in the instrument prior to shipment from factory. To load the default values proceed as follows: a) The internal switch should be closed. b) The SMART function shoul ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 36
Appendix A.2 DEFAULT CONFIGURATION PARAM- ETERS The configuration parameters can be loaded with predetermined default values. These data are the typical values loaded in the instrument prior to shipment from factory. To load the default values proceed as follows: a) The internal switch (V101, see fig. 13) should be open. b) The upper display will s ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 37
Appendix A.3 P29 On On P30 2 2 P31 30.0 30.0 P32 1.0 1.0 P33 00.20 00.20 P34 On On P35 0 0 P36 10 30 P37 0 0 P38 0.0 0.0 P39 nO.FL nO.FL P40 nO.FL nO.FL P41 Pid Pid P42 10.0 10.0 P43 Fn.Sp Fn.Sp P44 0 0 1604-7-A-AB.p65 5/16/00, 10:50 AM 3 ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 38
Appendix A.4 1604-7-A-AB.p65 5/16/00, 10:50 AM 4 ...
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Chromalox TEMPERATURE CONTROLLER 1604-7 - page 39
Appendix A.5 170.IU0.160.400 Chromalox ® INSTRUMENTS AND CONTROLS 1382 HEIL QUAKER BOULEV ARD LA VERGNE, TN 37086-3536 PHONE (615) 793-3900 F AX (615) 793-3563 WIEGAND INDUSTRIAL DIVISION WIEGAND INDUSTRIAL DIVISION WIEGAND INDUSTRIAL DIVISION WIEGAND INDUSTRIAL DIVISION WIEGAND INDUSTRIAL DIVISION EMERSON ELECTRIC CO. 1604-7-A-AB.p65 5/16/00, 10: ...
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