DE2247777C3 - Circuit arrangement for storing and displaying signals, in particular for devices for remote monitoring and / or remote control - Google Patents

Description

2. Circuit arrangement according to claim 1, characterized in that an output of the

The invention relates to a circuit arrangement

potential (+ 5 V) fed TTL switching unit for storage and display of signals, in which (GH) is connected downstream and that the display 25 an electronic part and a combined control element (Ll) to a second, opposite the voltage and display part in spatially grounded from one another in terms of the amount of larger supply disconnected, structural units connected to one another potential (-24 V) of opposite polarity via connecting lines are housed, and that the emitters of the transistors are connected to one another, especially for remote monitoring devices (TsIl, Ts 12) on 30 and / or remote controls.

Zero potential (ground) are placed, and that of such a circuit arrangement is, for. B. off

one located between the first supply potential in the book "Electrical remote monitoring and remote (+ 5V) and the second supply potential" by WS Jahn, 1962 edition, p. 55, (- 24 V), known from three resistors. A plurality of control lines on the side of the second supply potential is provided between the individual components (R 11 ... Al 3) existing voltage dividers of the 35 units of the device.

(- 24 V) located tap on the collector of there are also circuit arrangements for

PNP transistor (Tj 12) and the control line signaling systems are known in which a bistable (£ 1) and the one on the side of the first supply toggle switch is provided, which is connected to potential (+ 5V) tap on the base 40 with a reminder circuit a storage and the npn transistor (TsIl) is connected, a display of signals is allowed. In this case, however, its collector is connected to the subsequent TTL the control pulse source not with the display element switching unit (GH), connected via a. In addition, no special flip resistors (R 14) are provided on the first supply flops. Furthermore, there is a division into potential (+ 5 V) and over two units connected in series +5 spatially separated units in the tete diodes (DH, D12) to the base of the pnp- way that a combined operating and transistor (Ts 12) and is available from there via a display section, is not provided (cf. further resistor (RlS) to the second German Auslegeschrift 1 168 295).
care potential is led. In telecontrol technology facilities, with their

3. Circuit arrangement according to claim 2, that 50 help a large number of commands and / or MeI-durch marked that is to be transmitted or displayed on the connection fertilizers, it is point of the two diodes (DH, D12) at least, but often required, an electronic part and one with a combined operating and indicator at the base of the pnp transistor 12) lying diode (DH) with the same part in spatially separated units under-polarized Fit a series diode (D 13, D14). This can lead to difficulties with the closed is. spatial accommodation result in that the

4. Circuit arrangement according to claim 3, therefor required space for the control lines, in particular characterized in that at least two of them when connecting control panels with of the flip-flops, the additional diode in each case on cabinet racks, is not readily available a common extinguishing signal generator is connected. These difficulties will be sunk even further is. increased when in the electronics part by application

5. Circuit arrangement according to claim 4, that the integrated circuit technology is particularly characterized in that the extinguishing signal generator achieves a high packing density and thereby the number is formed by a transistor (Ts 3), the connections of which are further enlarged. Emitter at the first supply potential (+ 5V) 65 The object of the invention is therefore to create a circuit and a resistor (Λ36) on the base system that allows the electronics part to be located via a further resistor (R 35) for the largest possible number of and one more control messages and / or commands connected to it, without

3 4

this leads to difficulties in the laying of the det and that the output of at least one of the

Control and display part with your electronic part negation gueder to one of the additional diodes

connecting control lines leads. overall _e j _ner other than the upstream flip-flop

The circuit arrangement for solving this list is. These measures result in a would be designed according to the invention in such a way that 5 protection against storage contradicts one another in the electronics part at least one bistable toggle of the switching states when storing double stages with executive or blocked complete commands at the same time.

mental transistors is provided in which the The invention is explained in more detail on the basis of the collector of one transistor in the drawing via the connection shown embodiment,
The drawing shows part of a device connection of a display element with a control pulse source for remote monitoring or remote control. set up wide area networks or similar systems.

The control pulse source can be a non-electronic part of a telecontrol device and the latching button or an electronic contact. The control panel and the controlling devices are spatially. These measures result in a particularly separate 15 housing and connected to one another by means of a low need for connecting lines between lines. Inside the device, units of the remote control or remote TTL circuits are used, for which the circuits GIl, monitoring device, so that G 21 advantageously serve as an example, are used.
a particularly compact design is possible. In this way, the electronics part of a

In a further embodiment of the invention, ao telecontrol center can be accommodated in a frame, thereby allowing the flip-flops to be connected to downstream TTL, while the station, command and control buttons adapt circuits of the electronic part that a T1 T2 with the associated indicator lamps L1, L 2 an operating table with a first supply is built into the output of the flip-flop. If one of the TTL switching units that are not fed in after latching is actuated, im is switched and the display element is connected to an electronic part, the input flip-flop Kl or K 2 is set second, compared to the first and the memory status in one of the key higher supply potential opposite polarity T1, T2 associated lamp Ll, L2 indicated, laritat is placed, and that the emitter of the transistors per key only a single line is necessary, connected to each other and connected to zero potential to set the flip-flop and at the same time the memories are, and that one must report back between the first state.

supply potential and the second supply The remote control device works with double potential, consisting of three resistors commands, to which two command buttons Tl, T2, namely the voltage divider of the second loan to see one for switching on and one for switching off supply potential on the collector of belong. In this case it is expedient that the pnp transistor and the control line and the output flip-flops, which are always the two associated viewing of the first supply potential, mutually block each other,
handle connected to the base of the npn transistor The flip-flop described is designed for the connection whose collector is connected to the subsequent TTL switching to switching circuits in TTL technology (transistor unit connected via a resistor to the sistor logic). On the other hand, it can also be the first supply potential and two in series 40 so that it can be connected to diodes connected to the base of the pnp transistor to other circuit series, ζ. B. in DTL (diode and from there via a further resistor to the transistor logic) technology or in LSL (slow second supply potential. Fail-safe logic) technology is directly connected

In a further development of the invention, the scarf can be.

The circuit arrangement is designed in such a way that with little 45 The figure shows the circuit arrangement with two

At least two of the flip-flops, the additional diode each bistable flip-flops Kl and K 2, which are in the same

because they are built on to a common extinguishing signal generator.

is closed. The emitter of the pnp transistor Tj 12 and the signal generator are a transistor whose emitter of the npn transistor TjII are common emitters at the first supply potential and are connected directly to ground via 50. The collector of the transistor is connected to the base via a transistor TjII, which is connected to the first additional resistor via the resistor R 14 and a supply potential + 5 V connected to it, is connected to a zero potential via the two additional control lines in series switched and in the forward direction gerende delete button is performed. These measures reverse the polarity of the diodes D12 and DIl to the base of the Tran enable a common 55 sistor Tj 12 to be carried out which, via the resistor R 15, cancels several flip-flops via one and the same control line to the second supply potential - 24 V . is. The collector of the transistor Tj 12 is on the

In a further development of the invention, the switching resistor RIl and the diode Dx are at potential

processing arrangement designed such that a connection - 24 V and is led through the resistor R 12 to that of the voltage divider of at least two of the flip-flop 60 base of the transistor Tj II, the one hand

step to the second supply potential via one via the capacitor C 1 to ground and on the other hand

common diode is led. By this measure via the resistor R 13 to the potential + 5 V

took is prevented in an advantageous manner that is laid.

A voltage failure in the electronic part leads to a fault. The collector of the transistor Tj 12 forms a display in the display panel. 65 input £ 11 of the bistable flip-flop Kl, which is at

Furthermore, a mutual blocking of two actuations of the switch T1 can be connected to ground.

Achieve flip-flops by the fact that a downstream In addition, the input Eil is via the display

TTL circuit in each case designed as a negation element, lamp L1 connected to the -24 V potential.

A "de"

ϊίΤ? Γη ϊΑϊV * 1tVe ™ WP »! '""« »WidL.ändc R12» nd R13 the Buk of the TrMl- MV "leadsD =" VerhSiiScfdef Ta «« Tl ., rilors r _s ll »because negative that the Traditor T.ll A «« - ^ Uns de, Pe _8. , -. £ «£ -ft ™ -äi ^ Ä-3

24V. The resistor K14 is

a JbgiffTes SpannLgftilcr, is to the base a ₅ also via the diodes DU and DIl the base

of the ion transistor Till Ic, whose emitter of the transistor Til2 is positive so far that the tran-

..nmittMhar is at zero potential and its resistor Ti 12 blocks safely.

S ä Ästand RU In the first supply is activated by pressing the T1 button briefly daily NuIl-

4 5 V is led and at the same time applied to the potential or ground at the input Eil, see above

aitkreises GIl is located. On page 30, the potential at the base of the transistor TsIl

S & V l iti that the tasistor T, 11 becomes conductive

aitkreises GIl is located. On pages 30, the potential at the base of the ^ WpotentSs - & V is so positive that the transistor T., 11 becomes conductive.

^{0is7UglcichtheIssan8} It ^^ fj ^ ¹ ^ ™

ÄF? Tar it ^ nü ^

If dL buttonTl is open and the flip-flop K is 1 or < \ 0.4 V and applies to the following TTL input

not busy, a 35 gang appears at the entrance £ 11, the logO. In this case, it can be conditional

negative voltage. the magnitude of which is slightly below 24 V, the two threshold voltages of the diodes D 2

" ^B i ^l and DU, no more current through the diodes DiJ-

fw resistors R 12 and R 13 are dimensioned and D 11 flow. The over the resistor R 15 after

In this case, the base of the transistor Till so the supply of the second supply potential

Weü icgat vTst that the transistor Ti 11 blocks and 4 »24 V flowing current now comes from the base

damU aii Einisang of the following TTL switching circuit of the transistor Ti 12 and switches the trans disturbance

so that at the handling "" B ^ _{n through DamU the show state becomes} self-

WM S TaSc T 1 closed and thus holding ground, ie even after the key T1 is opened, _m toÄS? II Ä remain, the flip-flop Kl, the transistors T, 11 and Ti 12 are conductive. The lamp-sseS there? Potential at the base of the transistor 45 current for the lamp Ll then flows through the Tran-Till is positive enough that the transistor sistorTil2.

Ti Snd and thus to the input of the The deletion of the trigger stage is done by

Ινϊ die loe 0 licet. put a positive tension in the size of

S is z ^ß wse'hfn _dcm in +2.4 to +5 V corresponding to a log 1 at eme

ddd bid diodes P 13 D 14

IpeSuSSS is twelve _dcm A +2.4 to +5 V corresponding to a log «Ji Λ * TTL SlTkS G11 and the one at nega- ₅ o of the two diodes P 13, D 14

SS5S ^ SSS-ST-M ^{v iie} 8 ^{endcn 1} ^ ^{potential M of the base dcs T} rt ^{tore TrU po} S; '

^ SSS-ST-M ^{v iie} 8 ^{endcn 1} ^ ^{potential M of the base dcs T} rt ^{tore p} S;

^ deiEmgangdesTTL-SchankreisesGIl the transistor T * 12 blocks, the Spannurg at the Eav

sen inS switched and in passage Eil becomes negative, the transistor 3 5II feed

TS £ diodes D 12, D11 to the base as well, and the already snowed idle state

b d i idhtllt

Diodes D 12, D11 to the,

Ts 12 led, which is restored over the 55.

rSS d4 second supply potential - the circuit arrangement is against sound pulse,

is wrapped. The emitter of the pnp tran- secured by the low-pass property d. " ÄC-Ghe

S.

at the entrance of the TTL switch Ä12 and Rlibestinant wrd.

SSSiM potential. The Kippstfe K1 is a ^ eto in the same way Diodes D12 and DIl like the trigger stage JCl. Corresponding sound S b 6 ittl db ^ d flip-flops Kl and JC2 * d md.

Diodes D12 and DIl like the trigger stage JCl. Corresponding fÄSÄufSffieSnd currents derived from the flip-flops Kl and JC2 * d md. the 7SZ of the transistor Ti 12 as far as the figure is provided with a reference number that is only Dure L Tr ^ isSor Vvi2Wrrt. The first digit - "1" for the first and "2" for the de

Emg ^ d ^ TTL-SchaSses GIl the second flip-flop - differ from each other.

The two buttons 7 "I and 72 are intended for a pair of commands on'aus. Hs is therefore provided that the input flip-flops KI and Kl of the electronic part block each other. The collector of the transistor V" .v 11 is via the negation GII to the Diode 24 of the second flip-flop Kl led. The collector of the transistor TsIl is connected to the diode £> I4 via the Ncgalionsglicd GiLI. This results in a mutual blocking of the flip-flops Kl and K 2.

The KippsUifenKl and Kl are blocked in the rest country. By pressing the command key 71, which means the command "on", the toggle stage K \ becomes conductive. By pressing the other command button 72 with the meaning "off", the flip-flop K 2 becomes conductive. This is at the entrance; of the TTL circuit G21 the log O, which is at the output Λ 2 of the circuit. G 21 which brings log 1. This potential of U Ξ> + 2.4 V is via the: Diodes D14 and D11 at the base of the pnp transistor Ά12 of the flip-flop K 1 and blocks it.

If the flip-flop K 1 is made conductive by pressing the button 71, the output of the circuit G11 jumps from 0 V to a potential U:> -I-2.4 V, which blocks the flip-flop K1 via the diodes D 24, D 21 . Correspondingly, the flip-flop KI is blocked by the negating TTL switching circuit G 21 via the diodes D 14 and DIl, so that the two flip-flops Kl and Kl are mutually blocked.

In the circuit arrangement, a common cancellation circuit is also provided for all input tilting circuits of the electronic components, of which only the triggering stages K 1 and K 2 are shown in the figure. The diodes D 13 and D 23 are connected to the collector of the transistor 7s 3. The emitter of the transistor Ts 3 is connected to the first supply potential +5 V. The base of the transistor 7.v3 is connected to the voltage divider consisting of the resistors R 35 and R 36 , which is on the one hand at the first supply potential -ι SV and on the other

ίο Page is routed to earth via the delete button 73 when deleting. If the transistor 7s 3 is switched through, then by applying a positive voltage or U = 4 5V across the diodes D13, DIl and D23, DU etc. all flip-flops Kl, K2 etc. are deleted.

The resistors R 11 and R 21 are connected to a voltage rail which is connected to the second supply potential - 24 V via the diode Dx, which is polarized in the forward direction.

ao The diode Dx prevents the pnp transistors 7s 12, 7.V 22 from becoming partially conductive and causing the indicator lamps Ll, Ll to glow in the event of a power failure in the electronics part.

The resistors R 11 and R 21 serve that

As when a lamp Ll, L1 burns out, no false contact state is simulated.

When indicator light Ll, Ll 24-V-Type can be used for such. B. 25 or 50 mA can be used. The inrush current of the lamp Ll, L 2 advantageously does not need to be taken into account when selecting the transistor type for the transistor 7s 12, 7s22, since it flows via the key 71 or 72.

1 sheet of drawings

509611 /:

Claims (1)

line to a delete claims leading to zero potential: key (Γ3) is out 6. Circuit arrangement according to one of the 1. Circuit arrangement for storage and the preceding claims, characterized in the display of signals, in which an electronic part 5 net that a connection of the voltage divider and a combined operating and at least two of the flip-flops to the second display part in spatially separated supply potential a common diode (Dx) connected to one another via connecting lines is routed. which units are housed, in particular 7. Circuit arrangement according to one of the special for devices for remote monitoring to Proverbs 2 to 6, characterized in that a and / or remote control, thereby identified downstream TTL circuit in each case as shows that in the electronic part at least negation element (GH, G21) is formed and a bistable multivibrator with at the same time conductive that the output of at least one of the negation or blocked complementary transistors links to one of the additional diodes (D 14) (Ts 11, Ts 12) is provided, in which the coil 15 of a flip-flop stage other than the upstream flip-flop stage of the one transistor (Ts 12) is passed through. Leadership to those in the operating and dough section located connection of a display ekments (line 1) with a control pulse source (Tl) is led. 20th