IC 915 NTC/PTC electronic controller with dual output USER INTERFACE You can now scroll through the contents key to move to the next parameter. of each folder, modify it or use its func- PLEASE NOTE: It is strongly recommended The user has a display and four keys for tions. If you do not use the keyboard for to switch off and switch on again the con- controlling status and programming of the over 15 seconds (time-out) or if you press troller anytime parameters have been instrument. the “fnc” key once, the last value shown changed to prevent malfunctioning on KEYS AND MENUS on the display is confirmed and you return configuration and/or ongoing timings. to the previous screen mask. UP key Scrolls through the menu PASSWORD items MACHINE STATUS MENU The password “PA1” allows access to level Increases the values (See Machine Status Menu Diagram) 1 parameters. In the standard configura- DOWN key Scrolls through the menu items To access the “Machine Status” menu tion passwords is not present. Decreases the values Press and quickly release the “set” key. To enable it (value 0) and assign the The label “SP1” appears. desired value, access the “Programming” fnc key ESC function (exit) By using the “UP” and “DOWN” keys you menu, within the folder with the “diS” fnc can scroll through the other folders in the label. If passwords is enabled, you will see menu: it at the entrance of the “Programming” set key Accesses the setpoint set Accesses the menus -SP1: Setpoint 1 setting folder. menu. Confirms the commands -SP2: Setpoint 2 setting folder. COPY CARD Setpoint 1 (Setpoint 2) Setting Access the “Machine Status” menu by The Copy Card is an accessory connected out 2 out 1 pressing and quickly releasing the “set” to the TTL serial port which allows pro- key. The label of the “SP1” folder appears. gramming quickly the instrument parame- f nc (To set Setpoint 2 use the “UP” and ters (upload and download parameter’s “DOWN” keys until iy is shown “SP2”. map). The operation is performed as fol- set To display the Setpoint 1 (2) value press lows: the “set” key again. Format IC915 The value appears on the display. This command allows copy card formatting, At start-up the instrument performs a To change the Setpoint 1 (2) value, use an operation necessary in case of first use Lamp Test; for few seconds the display and the “UP” and “DOWN” keys within 15 sec- or to copy maps with different models. the leds blink, in order to verify their onds. Warning: if the copy card has been pro- integrity and correct operation. The instru- If the parameter is LOC = y the Setpoint grammed, using the “Fr” the data entered ment has two main menus: the “Machine cannot be changed. are erased. This operation cannot be can- Status” and “Programming” menu. celled. PROGRAMMING MENU Upload ACCESSING AND USING MENUS (See Programming Menu Diagram) This operation loads the programming Resources are arranged in a menu, which To enter the “Programming” menu, press parameters from the instrument. can be accessed by pressing and quickly the “set” key for more than 5 seconds. Download releasing the “set” key (“Machine Status” If specified, the access PASSWORD will be This operation downloads to the instru- menu) or by holding down the “set” key requested, (parameter “PA1”), and the ment the programming parameters. for more than 5 seconds (“Programming” label of the first folder will follow. The operations are performed accessing menu). To scroll through the other folders, use the folder identified by the “FPr” label and To access the contents of each folder, indi- the “UP” and “DOWN” keys; selecting, according to the case, “UL”, “dL” cated by the relevant label, just press the To enter the folder, press “set”. The label or “Fr” commands; the operation is con- “set” key once. of the first visible parameter appears. To firmed by pressing the “set” key. If the scroll through the other parameters, use operation is successful an “y” is displayed, the “UP” and “DOWN” keys; to change the on the contrary, if it fails a “n” will be dis- parameter, press and release “set”, then played. set the desired value using the “UP” and NOTE: • UPLOAD: instrument --> Copy Card “DOWN” keys, and confirm with the “set” • DOWNLOAD: Copy Card --> instru- ment. LED Download “from reset (instrumennt Position Related Function Status OFF” OUT1 relay 1 (OUT1) ON when the regulator is started up; blinking in case of delay, Connect the copy card with the instru- protection or blocked enabling ment OFF (not under voltage). When the instrument is switched on the OUT2 relay 2 (OUT2) ON when the regulator is started up; blinking in case of delay, protection or blocked enabling programming parameters will be down- loaded into the instrument; after the Alarm ON when the alarm is enabled; blinking when the alarm is silenced lamp-test the diplay will show for about 5 seconds: ELECTRICAL LIABILITY AND RESIDUAL • label dLY if copy operation successful • label DLn if not WIRING RISKS PLEASE NOTE: • after the download operation the instru- Attention! Never work on electrical Invensys Controls Italy S.r.L. shall not be ment will immediately work with the new connections when the machine is liable for any damages deriving from: parameters map setting switched on. - installation/use other than that pre- The instrument is equipped with screw ter- scribed and, in particular, that which does KEYBOARD LOCKING minal boards for connection of electrical not comply with safety standards anticipat- 2 The instrument includes a facility for dis- cables with a diameter of 2.5 mm (one ed by regulations and/or those given here- abling the keyboard, by programming the conductor only per terminal for power in; “LOC” parameter (see folder with “diS” connections). - use on boards which do not guarantee label). If the keyboard is locked, you can For the capacity of the terminals, see the adequate protection against electric shock, still access the programming menu by label on the instrument. water or dust under the conditions of pressing the “set” key. The relay contacts are voltage free. Do not assembly applied; The Setpoint can also be viewed. exceed the maximum current allowed; in - use on boards which allow access to dan- case of higher loads, use an appropriate gerous parts without the use of tools; contactor. Make sure the power supply - tampering with and/or alteration of the DIAGNOSTICS voltage complies with the one required by products; The alarm condition is always signalled by the instrument. the buzzer (if present) and by the led of In 12V versions the power supply must be TECHNICAL DATA provided by a security transformer with the alarm icon Frontal panel protection: IP65. the protection of a delayed 250 mA fuse. Casing: plastic body in resin type The alarm signal produced by a faulty reg- Probes have no connection polarity and PC+ABS UL94 V-0, inspection window in ulator probe (referred to probe 1) can be extended using a regular bipolar polycarbonate, buttons in thermoplastic cable (note that the extension of the resin. Error table probes affects the EMC electromagnetic Dimensions: frontal panel 74x32 mm, compatibility of the instrument: pay depth 59 mm (without wirings). DISPLAY ERROR extreme attention to wiring). Installation: on panel, with drilling tem- regulator probe fault Probe cables, power supply cables and the E1 plate 71x29 mm (+0.2/–0.1 mm). TTL serial cables should be distant from Use temperature: –5…55 °C. is shown as E1 on the instrument display power cables. Storage temperature.: –30…85 °C. When the sensor detects an error condi- CONDITIONS OF USE Use environment humidity: 10…90 % RH tion: (not condensing). • the code E1 is displayed PERMITTED USE Storage environment humidity: 10…90% RH • the regulator is activated as indicated by For safety reasons the instrument must be (not condensing). the "On1 (On2)" and "OF1 (OF2)" parame- installed and used according to the Viewing range: ters if programmed for the duty cycle or: instruction provided and in particular, • NTC: –50…110°C (–58…230°F); under normal conditions, parts bearing • PTC: –50…140°C (–58…302°F) On1 (On2) OF1 (OF2) regulator output dangerous voltage levels must not be without decimal point (selectable through 0 0 OFF accessible. 1 parameter on 3 digit & / + mark display. 2 0 >0 OFF The device must be adequately protected Serial: TTL for connection to Copy Card. >0 0 ON from water and dust as per the application >0 >0 dc Analog input: one PTC or NTC input and must also only be accessible via the (programmable by parameter). use of tools (with the exception of the Digital outputs: 1 SPDT output on 8(3)A frontlet). 1/2 hp, 1 SPST output on 8(3)A 1/2 hp The device is ideally suited for use on INSTALLATION configurables. (for relay capabilities see household appliances and/or similar refrig- label on the instrument) The instrument is designed for panel eration equipment and has been tested Measuring range: from –50 to 140 °C. mounting. Make a hole of 29x71 mm, with regard to the aspects concerning Accuracy: 0.5% better than end scale + 1 insert the instrument and fix it using the European reference standards on safety. It digit. brackets provided. Do not mount the is classified as follows: Resolution: 0,1°C (0,1°F within +199,9°F, instrument in humid and/or dirty places; it • according to its manufacture: as an auto- 1°F over). is suitable for use in ordinary polluted matic electronic control device to be Consumption places. Ventilate the place in proximity to incorporated by independent mounting; • model 230V: 3 VA max. the instrument colling slits. • according to its automatic operating fea- • model 12V: 1,5 VA max. tures: as a 1 B-type operated control type; Power supply: 12 Va/c ±10% or 230Va • as a Class A device in relation to the cat- ±10% 50/60 Hz. egory and structure of the software Warning: check the power supply specified UNPERMITTED USE on the instrument label; for relay and Any other use other than that permitted is power supply capacities, contact the Sales de facto prohibited. It should be noted Office). that the relay contacts provided are of a practical type and therefore subject to fault. Any protection devices required by product standards or dictated by common sense due to obvious safety reasons should be applied externally. IC 915 NTC/PTC 2/5 press for 5 sec PA1 0 set set set PA1 value rE1 level 1 par set scroll level 1 par rE2 set parameters change par value level 1 par diS set level 1 par CnF set level 1 par Fpr set Programming Menu Diagram level 1 SP1 value press and release set SP1 set (single press) change SP1(2) value ONLY IC 915 SP2 value SP2 set if present Status Machine Diagram PLEASE NOTE: The technical data DISCLAIMER included in this document, related to measurement (range, accuracy, resolu- This manual and its contents remain the sole property of Invensys Controls Italy s.r.l., tion, etc.) refer to the instrument and shall not be reproduced or distributed without authorization. Although great care itself, and not to its equipment such has been exercised in the preparation of this document, Invensys Controls Italy s.r.l., its as, for example, sensors. employees or its vendors, cannot accept any liability whatsoever connected with its use. This means, for example, that sensor(s) Invensys Controls Italy s.r.l. reserves the right to make any changes or improvements error(s) shall be added to the instru- without prior notice. ment’s one. IC 915 NTC/PTC 3/5 Tab. 1 Parameter Table PARAMETER DESCRIPTION RANGE DEFAULT* VALUE* U.M. REGULATOR 1 (folder with “rE1” label) HC1 Heat/Cool Mode. If set to H the generic regulator actuates for hot H/C H/C* flag operation. If set to C the generic regulator actuates for cold opera- tion db1 Intervention 1 band see ON-OFF regulation diagram 0...30.0 1* °C/°F dF1 diFferential. Relay 1 tripping differential. The regulator stops on 0.0...30.0 0 (n.z. models)* °C/°F reaching the Setpoint value (as indicated by the adjustment 1* probe), and restarts at temperature value equal to the Setpoint 1 plus (o minus depending on HC1) the value of the differential. see ON-OFF regulation diagram HS1 Higher SEt. Maximum possible setpoint 1 value. LS1..HdL 140* °C/°F LS1 Lower SEt. Minimum possible setpoint 1 value. LdL..HS1 -50* °C/°F REGULATOR 1 PROTECTIVE DEVICE (folder with “rE1” label) dn1 Delay time in activating the regulator relay after switch-on of 0...250 1 °C/°F instrument. do1 Delay after switch off. The indicated time must elapse between 0...250 0 sec switch-off of the regulator relay and the successive switch-on. di1 Delay between switch-ons. The indicated time must elapse 0...250 0 min between two successive switch-ons of the regulator. dE1 Delay before switch-off. The indicated time must elapse between 0...250 0 min switch-off request and the switch-off of the regulator. PLEASE NOTE: for par. dn1, do1, di1, dE1 0= not active On1 On time (regulator 1). 0...250 0 sec Regulator activation time in the event of faulty probe. If set to “1” with OF1 at “0” the regulator is always on, while at OF1 >0 it functions always in duty cycle mode. OF1 OFF time (regulator 1). Regulator in disabled state time in the 0...250 1 min event of a faulty probe. If set to “1” with On1 at “0” the regulator is always off, while at On1 >0 it functions always in duty cycle mode. REGULATOR 2 (folder with “rE2” label) HC2 Heat/Cool Mode. If set to H the generic regulator actuates for hot H/C H/C* min operation. If set to C the generic regulator actuates for cold opera- tion db2 Intervention 2 band see ON-OFF regulation diagram 0...30.0 1* flag dF2 diFferential. Relay 1 tripping differential. The regulator stops on 0.0...30.0 0 (n.z.models)* °C/°F reaching the Setpoint value (as indicated by the adjustment 1* probe), and restarts at temperature value equal to the Setpoint 1 plus (o minus depending on HC1) the value of the differential. see ON-OFF regulation diagram HS2 Higher SEt. Maximum possible setpoint 2 value. LS1..HdL 140* °C/°F LS2 Lower SEt. Minimum possible setpoint 2 value. LdL..HS1 -50* °C/°F REGULATOR 2 PROTECTIVE DEVICE (folder with “rE2” label) dn2 Delay time in activating the regulator relay after switch-on of 0...250 1 sec instrument. do2 Delay after switch off. The indicated time must elapse between 0...250 0 min switch-off of the regulator relay and the successive switch-on. di2 Delay between switch-ons. The indicated time must elapse 0...250 0 min between two successive switch-ons of the regulator. dE2 Delay before switch-off. The indicated time must elapse between 0...250 0 sec switch-off request and the switch-off of the regulator. PLEASE NOTE: for parameters dn2, do2, di2, dE2 0= not active On2 On time (regulator 2). 0...250 0 min Regulator activation time in the event of faulty probe. If set to “1” with OF1 at “0” the compressor is always on, while at OF2 >0 it functions always in duty cycle mode. OF2 OFF time (regulator 2). Regulator in disabled state time in the 0...250 1 min event of a faulty probe. If set to “1” with On2 at “0” the regulator is always off, while at On2 >0 it functions always in duty cycle mode. DISPLAY (folder with “diS” label) LOC (keyboard) LOCk (set and keys). Keyboard locking. However, you n/y n flag can enter parameter programming modify them along with the status of this parameter in order to allow keyboard locking. y = yes; n = no PA1 PAssword 1. When enabled (value other than 0) it constitutes the 0...250 0 num access key for level 1 parameters. ndt number display type. View with decimal point. y = yes; n = no n/y n flag CA1 CAlibration 1.Calibration 1. Positive or negative temperature value -30.0...30.0 0 °C/°F added to the value read by probe 1, dro display read-out. Select °C or °F for displaying the temperature °C/°F °C flag read by the probe. CONFIGURATION (folder with “CnF” label) H00 (1) (!) Probe type selection, PTC or NTC. PtC/ntC PtC/ntC* flag H01 Outputs link 0 = independents; 1 = related; 2 = Neutral Zone; 0/1/2 0/1/2* flag H10 delay time in activating the outputs after switch-on WARNING! If 0...250 0 min set = 0 it is not active; if set 0 output will not be activated before this time rEL reLease firmware. Device version: read only parameter. / / / tAb tAble of parameters. Reserved: read only parameter. / / / COPY CARD (folder with “Fpr”label) UL Up load. Programming parameter transfer from instrument to / / / Copy Card. dL Down load. Programming parameter transfer from Copy Card to / / / instrument Fr Format. Erasing all data in the copy card. / / / PLEASE NOTE using “Fr” parameter (copy card formatting) the data within the copy card will be lost permenently. The operation cannot be cancelled. After using the copy Card device the controller must be switch off and switch on again IC 915 NTC/PTC 4/5 (1) check the probe type NTC/PTC installed (see the label on the instrument). * DEFAULT column: for parameters HC1/2, HS1/2, LS1/2, DF1/2, H00/01/10 the default depends don the model. * VALUE column: to be filled manually, with customized settings (if different from the default value). (!) WARNING! • If one or more of these parameters highlighted with (!) are modified, teh controller must be switched off and switched on again to ensure correct operation. • It is strongly recommended, anyway to switch off and switch on again the controller anytime parameters have been changed to prevent malfunctioning on configuration and/or ongoing timings HC1=H HC2=C ON-OFF Regulation Diagram ON-OFF regulation diagram independent. On Off On Off The outputs regulate as they as H01=in completely independent dF1 dF2 1 SP1-dF1 SP1 SP2 SP2+dF2 HC1 HC2 H01 regulation type HC1=H HC2=C ON-OFF regulation diagram H C 0 independents setpoints related. On H C 1 related setpoints Off On Off Setpoint 2 SP2 works depending - - 2 Neutral Zone H01=di on Setpoint SP1 dF1 dF2 PLEASE NOTE: • for 1 & 2 examples with HC1=H and HC2=C 2 SP1-dF1 SP1 SP1+SP2 SP1+SP2+dF2 • for 3 HC1 and HC2 are ignored OUTPUT 2 OUTPUT 1 ON-OFF regulation diagram Neutral Zone. On On Off NOTE: if dF1 and dF2 are both =0 outputs will open when they dF2 dF1 reach SP1 value 3 SP1 SP1-db2 SP1-db2+dF2 SP1+db1-dF1 SP1+db1 Wiring diagram WIRING (12V and 230V supply) A IC 915 NTC-PTC - 12 V 1 - 2 N.C. regulator 1 relay output (OUT1) OUT1 OUT2 1 - 3 N.O. regulator 1 relay output (OUT1) 4 - 5 N.O. regulator 2 relay output (OUT2) 6 - 7 Power supply 1,5 VA max. (12V version) Pb1 Power supply 3 VA max. (230V version) 1 2 3 4 5 6 7 8 9 10 8 - 10 Probe 1 input (regulator) Pb1 A TTL input for Copy Card Supply PLEASE NOTE: • User Default Settings • for relay capacities check on the instrument label In the diagram there are shown only 12V and 230V supply and relays with 8(3) 1/2 hp 250V capability A IC 915 NTC-PTC - 230 V OUT1 OUT2 Pb1 1 2 3 4 5 6 7 8 9 10 Invensys Controls Italy s.r.l via dell'Industria, 15 Zona Industriale Paludi Supply 32010 Pieve d'Alpago (BL) ITALY Telephone +39 0437 986111 Facsimile +39 0437 989066 Internet http:/www.climate-eu.invensys.com 5/2003 eng cod. 9IS22086 IC 915 NTC/PTC 5/5