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IRT AVS-3170 Instruction Book Download Page 4

3170-avs.ib.rev5.doc

 

page 4 of 16

 

16/10/2007 

AVS-3170 Technical Specifications

 

 

 

Video inputs: 

Number 5. 
Impedance 75 

Ω

 terminated when not selected. 

 

Video outputs: 

Type Relay 

switched. 

Number 1. 
Impedance 

Designed for use with 75 or 50 

Ω

 signals. 

 

Output impedance will be that of selected input. 

 

Control inputs/outputs: 

Type 

5 bit BCD coded parallel TTL level 

 or 
 

individual grounding contacts. 

Number 

1 input & 1 output. 

 

Performance: 

Video crosstalk 

< -60 dB to 10 MHz. 

Relay contact rating 

24 Vdc - 100 mA, 100 Vac - 0.3 A. 

 

Power Requirements 

28 Vac CT (14-0-14) or 

±

 16 Vdc. 

Power consumption 

<95 mA. 

 

Connectors:

 Video 

BNC. 

 

Control 

Plug in HE14 10 pin dual IDC. 

Other: 

Temperature range 

0 - 50° C ambient. 

Mechanical 

Suitable for mounting in IRT 19" rack chassis types FR-700 & FR-722 
with input output and power connections on the rear panel. 

Finish:  

Front panel 

Grey enamel, silk-screened black lettering & red IRT logo. 

 Rear 

assembly Detachable 

silk-screened 

PCB with direct mount connectors to Eurocard 

and external signals. 

Dimensions  

6 HP x 3 U x 220 mm IRT Eurocard. 

 

Supplied accessories 

Rear connector assembly including matching connectors for control 
inputs & outputs. 

 

Optional accessories 

CPS-3050 local control panel. 

 

TPS-3010 local tally panel 

 

CPS-9000 remote control panel 

 

TME-6 module extender card 

 
 

Due to our policy of continuing development, these specifications are subject to change without notice.

Summary of Contents for AVS-3170

Page 1: ...factured in Australia IRT can be found on the Internet at http www irtelectronics com I R T Electronics Pty Ltd A B N 35 000 832 575 26 Hotham Parade ARTARMON N S W 2064 AUSTRALIA National Phone 02 9439 3744 Fax 02 9439 7439 International 61 2 9439 3744 61 2 9439 7439 Email sales irtelectronics com Web www irtelectronics com ...

Page 2: ...al adjustments 7 Configuration 7 Interconnecting modules 8 Switch pulses internal external sync 8 Power on reset 8 Link settings 9 Wire per crosspoint operation 10 Location of links user settings 11 Installation 12 CPS 3050 Local control 13 TPS 3010 Local tally panel 13 Signal connections 13 Front rear panel connector diagrams 14 Maintenance storage 15 Warranty service 15 Equipment return 15 Drawi...

Page 3: ...ace with other IRT Eurocard 3000 series switchers or with the VG 737 video and AG 738 audio program fail detectors The switcher may be fitted with a local control panel type CPS 3050 or with a tally panel type TPS 3010 for local path indication when the switcher is operated remotely The AVS 3170 is built to the IRT Eurocard format and may be mounted in any of IRT s standard Eurocard frames togethe...

Page 4: ...s Video BNC Control Plug in HE14 10 pin dual IDC Other Temperature range 0 50 C ambient Mechanical Suitable for mounting in IRT 19 rack chassis types FR 700 FR 722 with input output and power connections on the rear panel Finish Front panel Grey enamel silk screened black lettering red IRT logo Rear assembly Detachable silk screened PCB with direct mount connectors to Eurocard and external signals...

Page 5: ...diodes D 10 to D 13 and D 14 to D 17 to provide a raw DC voltage of approximately 20 V at filter capacitors C 1 and C 13 The actual voltage will vary depending on the type of frame loading of PSU by other modules and the local mains supply voltage If a DC supply is provided the isolated DC passes through the diodes D 10 to D 13 and D 14 to D 17 which provide protection against accidental reverse p...

Page 6: ...of an unlatch in signal causes any switcher to release control of the data lines if it had control of them A switcher signals that it has control of the data lines by asserting busy out Busy out also ripples busy in The operation of a push button ripples unlatch to modules farther down the chain causing any of them with control of the bus to release it and in so doing clear the busy line As soon a...

Page 7: ...e 12 Vdc rail Q 2 4 6 8 operating a PNP transistor pull up of the relay coil to the 12 Vdc rail The other side of the relay is connected to the 12 Vdc rail to equalise loading of the ve and ve supply rails Internal adjustments The AVS 3170 contains no user adjustable controls other than link settings described in the Configuration section of this manual Configuration The AVS 3170 may be used in a ...

Page 8: ...ignal As the switch pulse signal is sent from the AVS 3010 3011 1 5 switcher only on its PL 5 connector this must be the first switcher connected to the chain Power on reset Power on reset is needed so that at power on only one switcher or control panel drives the buss LK 3 on each of the Switcher Group or the CPS 9000 9001 remote control panel is used to select which unit is in control at power o...

Page 9: ...h NOTE Always have one at least one switcher configured as Inputs 1 5 otherwise there will be no switch pulses and consequently no switching action at all Connector PL 5 data out on switcher 1 5 connects to PL 4 data in on switcher 6 10 and so on Cables may be wired using the connectors provided or may be ordered from IRT using the following part numbers GDW 3010 150 mm cable for joining adjacent ...

Page 10: ... on the relevant control input will now cause the switcher to operate in the same way as it would had the switch on the local control panel type CPS 3050 been depressed No complicated logic is required of a remote control to the switcher in this configuration The CP 700 passive five button remote control may be used to operate the switcher or a custom switch panel may be fabricated If the CP 700 i...

Page 11: ... user settings The following location diagram is not to scale and is intended only to assist in finding the location of links which may need to be changed by the user during Configuration Rear Assembly F R O N T P A N E L L K 4 L K 2 L K 1 L K 3 A B L D 1 AVS 3170 ...

Page 12: ...tain or be connected to static sensitive devices and proper static free handling precautions should be observed Where individual circuit cards are stored they should be placed in antistatic bags Proper antistatic procedures should be followed when inserting or removing cards from these bags Power AC mains supply Ensure that operating voltage of unit and local supply voltage match and that correct ...

Page 13: ...ore greatly assist in finding faults in inter module wiring Before fitting the TPS 3010 the original front panel and LD 1 LED DC indicator must be removed The TPS 3010 PCB should then be pressed carefully into place making sure that the pins on the TPS 3010 plug mate correctly with the socket on the main module PCB The front plate is then fitted using the screws and spacers provided Connections Vi...

Page 14: ...PUT 1 INPUT 2 INPUT 3 INPUT 5 PL 4 IN PL 5 OUT Front rear panel connector diagrams The following front panel and rear assembly drawings are not to scale and are intended to show relative positions of connectors indicators and controls only DC AVS 3170 N140 CPS 3050 N140 ...

Page 15: ...e extended by IRT only to the extent obtainable from the component supplier Equipment return Before arranging service ensure that the fault is in the unit to be serviced and not in associated equipment If possible confirm this by substitution Before returning equipment contact should be made with IRT or your local agent to determine whether the equipment can be serviced in the field or should be r...

Page 16: ...3170 avs ib rev5 doc page 16 of 16 16 10 2007 Drawing index Drawing Sheet Description 804132 1 AVS 3170 control circuit schematic 804132 2 AVS 3170 signal circuit schematic ...

Page 17: ...a b 12a b 14a b 19a b 18a b 15a b 16a b 17a b O P I P5 I P4 I P3 I P2 I P1 9a b RBB 12 12 12 12 15 18 12 6 9 3 20 1 15 18 12 9 3 15 18 12 9 3 15 18 12 9 3 U1 40 U1 38 U1 37 U1 36 12 12 12 12 2 13 11 97 K1 K1 R1 75 R2 75 R3 75 R4 75 K4 K3 K2 K2 K3 K4 2 1 D1 1N4148 2 1 D2 1N4148 2 1 D3 1N4148 2 1 D4 1N4148 2 1 D5 1N4148 2 1 D6 1N4148 2 1 D7 1N4148 2 1 D8 1N4148 R6 4K7 R9 4K7 R12 4K7 R15 4K7 R7 4K7 R...

Page 18: ...HR TRG DIS THR TRG NE556 5 12 21a b 22a b 23a b 24a b 25a b 26a b 12 5 MINEOUT MINEIN 41 44 39 40 LK4 T4 14 A B 1 03 10 97 1 5 WPX UNIVERSAL OPTIONAL CPS 3050 10 R16 32 U2 12 R13 R10 R7 5X1 RELAY SWITCHER FOR VIDEO 1 2 3 4 5 6 7 8 9 10 RP2 10K SW1 SW2 SW3 SW4 SW5 2 1 LD1 2 1 LD2 2 1 LD3 2 1 LD4 2 1 LD5 LK2 LK1 RP1 RP1 RP1 RP1 RP1 RP1 F1 4R7 F2 4R7 F3 4R7 F4 4R7 C9 22u C6 0 1u C7 0 1u C5 0 1u J6 C1...

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