SLC10422-TTL Manual
Contents
1. to inspect any Products which Customer claims do not conform to the Microbotics Warranty THE EXCLUSIVE REMEDIES FOR NONCOMPLIANCE WITH ANY MICROBOTICS WARRANTY SHALL BE IN MICROBOTICS SOLE AND ABSOLUTE DISCRETION EITHER REPAIR OF THE NONCONFORMING PRODUCTS REPLACEMENT OF THE NONCONFORMING PRODUCTS OR RETURN OF SAME FOR REPAYMENT OF THE PURCHASE PRICE MISUSE Microbotics shall have no liability or obligation to Customer with respect to any of the Products which have been subject to abuse misuse improper use negligence accident modification alteration tampering any use of the Products outside their normal environment or any alteration of any literature with respect to the Products LIMITATION OF DAMAGES RECOVERABLE BY CUSTOMER WITHOUT LIMITATION OF ANY OTHER PROVISION IN THESE TERMS AND CONDITIONS LIMITING OR EXCLUDING LIABILITY OF MICROBOTICS THE EXCLUSIVE DAMAGES RECOVERABLE BY CUSTOMER FOR ANY CLAIM OF ANY KIND WHATSOEVER ARISING FROM OR IN ANY WAY CONNECTED TO THE PRODUCTS REGARDLESS OF THE LEGAL THEORY SHALL NOT BE GREATER THAN THE ACTUAL PURCHASE PRICE OF THE PRODUCTS PAID BY CUSTOMER WITH RESPECT TO WHICH SUCH CLAIM IS MADE AND IN NO EVENT SHALL MICROBOTICS BE LIABLE FOR ANY SPECIAL INDIRECT OR INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND INCLUDING WITHOUT LIMITATION ANY DAMAGES WITH RESPECT TO LOSS OF INCOME COMPENSATION OR PROSPECTIVE PROFITS ANY EXPENDITURES INVESTMENTS OR COMMITMENTS OF CUSTOMER ANY LOSS WITH RESPEC2. SLC10422 TTL SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTERS OA de LC E m c5 RAD VH 0 7 ee a m OM 9 a Lo RB R M e E E 3 x cuo iwicrosotics Wo Dos USER MANUAL October 2008 70 N VEA 23666 065 7720 ation and Controls wy re Innovative Na 1 Introduction The Microbotics SLC10422 TTL is a single channel full duplex serial voltage converter supporting RS 422 lt gt TTL voltage level conversions The board s small size allows it to be mounted directly in the user wiring harness and the SLC10422 TTL can be powered by any convenient DC source of 4 to 40 VDC thus reducing the real estate needed to effect these voltage level conversions Each board has a TTL compatible receiver connected to an RS 422 output driver and an RS 422 receiver connected to a TTL compatible output driver Each receiver driver set is independent except for common ground and power connections NOTE THAT THE SLC10422 TTL IS STRICTLY A VOLTAGE LEVEL CONVERTER THE BOARD DOES NOT PERFORM ANY DATA RECLOCKING OR DATA FORMAT CONVERSIONS lt 1 30 33 02 gt 10 2 54 gt lt 1 10 27 94 gt 15 3 86 30 7 62 A A 096 2 44 DIA 075 x 45 DEG 2PLCS 4 PLCS Figure 1 SLC10422 TTL Physical Dimensions 2 Wiring the SLC10422 TTL to the User System Connections to the SLC10422 TTL are normally made via direct wiring to the holes on the board Extreme care should be t
3. T TO THE ESTABLISHMENT DEVELOPMENT OR MAINTENANCE OF BUSINESS REPUTATION OR GOOD WILL OR ANY LOSS INCURRED IN OBTAINING SUBSTITUTE PRODUCTS OR SERVICES OR ARISING FROM THE CLAIMS OF THIRD PARTIES INCLUDING CUSTOMERS FORCE MAJEURE Without limitation of any clause herein limiting or exculpating Microbotics from liability Microbotics shall not be responsible or liable for any failure to perform or any delay in supplying if occasioned in whole or in part by act of God or the public enemy fire explosion perils of the sea flood drought war riots civil insurrection sabotage accident embargo governmental priority requisition or allocation or any action of any governmental authority or any refusal of such governmental authority to provide necessary authorization or shortage or failure of supply materials fuel transportation or labor or strikes or other labor trouble or any occurrence act cause or thing beyond the reasonable control of Microbotics all of which shall excuse any failure or delay on the part of Microbotics and Microbotics shall have no obligation or liability whatsoever arising out of or in connection with any such failure or delay POLICY ON RETURNS In the event of any shortage damage defect or discrepancy in or to a shipment of Products Customer shall promptly report the same to Microbotics and furnish such written evidence or other documentation as Microbotics may reasonably require Except as specifically authoriz
4. aken when soldering to the board to prevent damage to the pads or adjacent components The RS 422 signals are grouped at one end ofthe board Figure 2 while the TTL signals are grouped at the other end Figure 3 Power input and return lines are available at both groups of signals The signal pads for the SLC10422 TTL are VIN Board Power 4V to 40V Input Two pads provided GND Power Ground negative side Two pads provided RA RS 422 negative data receipt into SLC10422 TTL MARK Low data passed to TXD RB RS 422 positive data receipt into SLC10422 TTL MARK High data passed to TXD TA RS 422 negative data transmit from SLC10422 TTL MARK Low data passed from RXD TB RS 422 positive data transmit from SLC10422 TTL MARK High data passed from RXD RXD TTL data receipt into SLC10422 TTL MARK High data passed to TA TB TXD TTL data transmit from SLC10422 TTL MARK High data passed from RA RB COM Ground returns for the RS 422 and TTL signals Tie to Ground of User TTL and RS 422 Ports Two pads provided VR 1 65 VDC supplied by SLC10422 TTL not used in this application c5 RXD VIN VN TB TA_SLC 1 CON VR i TXD RB_ RA C3 GND GND MICROBOTIC Figure 2 TTL Signals Figure 3 RS 422 Signals SLC10422 TTL SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER USER MANUAL 1 2 1 Power Connections Any voltage between 4VDC and 40VDC may be used to power the SLC10422 TTL The positive side of the power source is connected to eithe
5. ed in the Warranty provisions above Microbotics shall not be liable for any such shortage damage defect or discrepancy unless Microbotics has received notice and substantiating evidence thereof from Customer within five 5 days of arrival of the Products Ifthe substantiating evidence delivered by Customer demonstrates to Microbotics reasonable satisfaction that Microbotics is responsible for such shortage damage defect or discrepancy Microbotics shall deliver additional or substitute Products to Customer in accordance with the delivery terms otherwise set forth herein provided however that in no event shall Microbotics be liable for any additional costs expenses or damages incurred by Customer directly or indirectly a result of such shortage damage defect or discrepancy in or to a shipment All returns of Products by Customer for whatever reason shall be made at Customer s sole expense DDP Microbotics headquarters office in Hampton Virginia USA INCOTERMS 2000 All sales to Customer are final and Microbotics will not accept any returns of Products unless and until prior written authorization is received by Customer from Microbotics Microbotics will not accept returns based upon delays in shipment by Microbotics or receipt by Customer or market conditions including changes in demand for or popularity of any of the Products WARRANTY
6. ial signal received by the SLC10422 TTL from the user system which is then passed to the TXD output Note that in both transmitter and receiver signals the A references the negative signals while the B references the positive signal The COM line is a signal Ground return for the RS 422 signals and must be connected to the Ground of the user RS 422 port Figure 4 shows a typical connection for the RS 422 signals FAILURE TO CONNECT THE COM LINE TO THE USER PORT GROUND MAY CAUSE ELECTRICAL FAILURE OF THE SLCI0422 TTL AND VOIDS THE BOARD WARRANTY 2 SLC10422 TTL SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER USER MANUAL RS 422 differential transmissions when using twisted pair cabling drastically reduces electrical noise generated by the transmitted signals while rejecting electrical noise induced into the receiving signals When data rates are high or the cable lengths are long signal reflection can become an issue in transmissions In these cases a 1200 termination resistor is placed across the twisted pair lines as close to the RS 422 receiver as possible The SLC10422 TTL board provides a location for installing a 0402 sized termination resistor across the RA and AB lines Figure 5 Figure 5 Location of On Board Receive Line Termination Resistor SLC10422 TTL SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER USER MANUAL 3 SLC10422 TTL SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER USER MANUAL GENERAL SPECIFICATIONS SLC10422 TTL A
7. nnection for the TTL signals FAILURE TO CONNECT THE COM LINE TO THE USER PORT GROUND MAY CAUSE ELECTRICAL FAILURE OF THE SLC10422 TTL AND VOIDS THE BOARD WARRANTY It is important to note the TTL signals of the SLC10422 TTL meet the Industry standard TTL levels a or High is 2 0V minimum while a 0 or Lowis 0 8V maximum The SLC10422 TTL output driver sources up to 3 3V as a High This output will properly drive TTL compatible inputs however while this voltage is usually sufficient to drive a 5V CMOS input to a High level as the 5V CMOS High is specified at 3 6V the SLC10422 TTL output is not guaranteed to properly drive 5V CMOS inputs to a High level POWER IN POWER RETURN POSITIVE 4 40 VDC NEGATIVE GROUND USER RECEIVER VIN GMD 120 Q TERMINATION SLC10422 L IE REQUIRED USER RS 422 SYSTEM I 9 TB Mm R DATA LU RXD b 4 id le A OUT i USER TTL TA p R R R SYSTEM TWISTED PAIR E RB T T T DATA Ln TXD A x s Tal Tm n we RA DM LIE QUT TWISTED PAIR me COM R4 COM GND GND A 120 Q TERMINATION _ IF REQUIRED x Figure 4 Typical User Connections to the SLC10422 TTL Board 2 3 RS 422 Connections Five signal lines are used for RS 422 connections Figure 3 The TA and TB pair is the differential signal transmitted from the SLC10422 TTL to the user system having been passed from the RXD input The RA and RB pair is the different
8. r of the VIN pads while the negative side of the power source is connected to either of the GND pads While all GND and COM signals are electrically connected to the board Ground the COM lines are not designed nor sized for returning the power supply current DO NOT USE THE COM LINES FOR POWER RETURN There are two pads each for VIN and GND one set near the TTL signal pads and one set near the RS 422 signal pads Either pad may be used for its associated power connection The VIN and GND pad pairs can also be used to pass power from one side of the board to the other in order to improve cable wiring this would eliminate one pair of wires in the cable If the VIN and GND pad pairs are used to pass power through the board the current must be limited to less than 100 milliamps FAILURE TO LIMIT THE CURRENT TO LESS THAN 100 MILLIAMPS WHEN USING THE SLC10422 TTL TO PASS THE POWER RAILS VIN AND GND MAY CAUSE ELECTRICAL FAILURE OF THE SLC10422 TTL BOARD AND VOIDS THE BOARD WARRANTY 2 2 TTL Connections Three signal lines are used for TTL connections Figure 2 The RXD line is the TTL signal received by the SLC10422 TTL from the user system which is then passed to the TA and TB outputs The TXD line is the TTL signal transmitted by the SLC10422 TTL to the user system having been passed from the RA and RB inputs The COM line is a signal Ground return for the TTL signals and must be connected to the Ground of the user TTL Port Figure 4 shows a typical co
9. ugust 2008 All specifications subject to change without notice Max Typ Min Power Input Voltage 40 4 V Input Gurrent 3 5 2 ma Signal Rate Baud Rate RS 422 0 to 40 Terminated 10 DC MBaud Baud Rate RS 422 4000 max Terminated 100 DC KBaud RS 422 Signals Differential Driver Output No Termination 3 3 V Differential Driver Output 1200 Termination 2 0 V Receiver Input Voltage 12 0 7 0 V Receiver Differential Threshold 200 200 mV Receiver Input Hysteresis 50 mV Input Resistance 12 KQ TTL Signals V RXD 5 5 2 0 V V RXD 8 0 V Vo TXD 3 3 2 0 V Va TXD 4 0 V lu TXD 1 5 ma I TXD 2 5 ma Physical Size 1 3 33 02 mm L x 3 7 62 mm W x 22 5 59 mm T Weight 1 2 g 042 oz Environment Operating Temperature Storage Temperature Vibration Shock 40 to 85 C 55 to 125 C 6 In 100 g 8 ms 1 2 sine SLC10422 TTL SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER SPECIFICATIONS WARRANTY DISCLAIMER AND LIMITATION OF REMEDIES MICROBOTICS WARRANTS ITS PRODUCTS AGAINST DEFECTS IN MATERIALS AND WORKMANSHIP UNDER NORMAL USAGE FOR A PERIOD OF ONE YEAR AFTER DELIVERY TO THE END USER MICROBOTICS MAKES NO ADDITIONAL WARRANTIES WHATSOEVER WITH RESPECT TO ITS PRODUCTS EXPRESS OR IMPLIED INCLUDING WITHOUT LIMITATION ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR ANY PURPOSE OR AGAINST INFRINGEMENTS OF PATENT OR OTHER RIGHTS OF THIRD PARTIES IN THE PRODUCTS Customer will provide Microbotics the right
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