SLC10232 Manual - Microbotics Inc.
Contents
1.2. Physical Size Weight Environment Operating Temperature Storage Temperature Vibration Shock SLC10232 SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER SPECIFICATIONS 1 3 33 02 mm L x 3 7 62 mm W x 22 5 59 mm T 1 2 g 042 02 12 0 200 25 2 4 40 to 85 C 55 to 125 C 6 9 100 g 8 ms 1 2 sine Typ 3 3 50 1 65 1 5 1 2 5 5 5 4 Min 4 DC 2 0 2 0 ma KBaud mV mV lt lt lt lt lt ma ara 40 l L33HS md A3 89d NOlLdI80S30 aiva 093 A3 mos aa rl E SIVAONAAV SALON ZEZOLDIS INISN J3IGVD 4SGOPZIIS Ivo VA NOLGNVH ONI 5911080801 SNOLLIINNOD O 8 83 oye 83104 CRETE l I mi a Sa MOLIINNOI TJ nos TEZOLIIS T 807310 09 4804 TVINIS Id S630 1 1 TAVAD E Wiring of the MIDG II PC Interface Cable Using the SLC10232 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 PATE
3. The positive side of the power source is connected to either 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 RS 232 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 Ifthe 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 SLC10232 TO PASS THE POWER RAILS VIN AND GND MAY CAUSE ELECTRICAL FAILURE OF THE SLC10232 BOARD AND VOIDS THE BOARD WARRANTY 2 2 RS 232 Connections Three signal lines are used for RS 232 connections Figure 2 The RXD line is the RS 232 signal received by the SLC10232 from the user system which is then passed to the TA and TB outputs The TXD line is the RS 232 signal transmitted by the SLC10232 to the user system having been passed from the RA and RB inputs The COM line is a signal Ground return for the RS 232 signals and must be connected
4. gt RS 232 converter Figure 7 In this case the TB signal is used as the TTL level output to the user system while the TA signal is unused The AB signal is used to receive the TTL Level signal from the user system note that in this case the default state of the RB signal with no input is LOW To force the RS 422 receiver to see the TTL level signal at the RB input as a differential signal the RA input must be biased by connecting it to the on board 1 65V VR output SLC10232 TB 11 DATA IN TA RB IN DATA 1 OUT RA USER TTL SYSTEM VR COM GND Figure 7 Using the RS 422 Port for TTL Level Signals SLC10232 SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER USER MANUAL 3 SLC10232 SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER USER MANUAL Power Input Voltage Input Current Signal Rate Baud Rate RS 422 Signals GENERAL SPECIFICATIONS SLC10232 August 2008 All specifications subject to change without notice Max 40 4 5 250 Differential Driver Output No Termination Differential Driver Output 120Q Termination Receiver Input Voltage Receiver Differential Threshold Receiver Input Hysteresis Input Resistance TTL Level Conversions VR Out Connected to RA Va RB V RB Vo TB Va TB TB ka TB RS 232 Signals Input Range Input Threshold High Input Threshold Low Input Hysteresis Input Resistance Output Voltage Swing
5. NT OR OTHER RIGHTS OF THIRD PARTIES IN THE PRODUCTS Customer will provide Microbotics the right 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
6. PROSPECTIVE PROFITS ANY EXPENDITURES INVESTMENTS OR COMMITMENTS OF CUSTOMER ANY LOSS WITH RESPECT 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 evi
7. SLC10232 SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER MN Sch R 18 TA 5101023 RI K 30 05 RO VIN 494 mn gt vue zu a pe 2 RA ZP USER MANUAL October 2008 1 Introduction The Microbotics SLC10232 is a single channel full duplex serial voltage converter supporting RS 232 lt gt RS 422 and RS 232 lt gt TTL voltage level conversions The board s small size allows it to be mounted directly in the user wiring harness and the SLC10232 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 an RS 232 receiver connected to an RS 422 output driver and an RS 422 receiver connected to an RS 232 output driver Each receiver driver set is independent except for common ground and power connections A 1 65V reference is provided by the SLC10232 in order to bias the RS 422 receiver in order to operate the RS 422 receiver as a TTL level receiver NOTE THAT THE SLC10232 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 E gt 3 A 096 2 44 DIA 075 x 45 DEG 2 PLCS 4 PLCS Figure 1 SLC10232 Physical Dimensions 2 Wiring the SLC10232 to the User System Connections to the SLC10232 are normally made via direct wiri
8. dence or other documentation as Microbotics may reasonably require Except as specifically authorized 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
9. ng to the holes on the board Extreme care should be taken when soldering to the board to prevent damage to the pads or adjacent components The RS 422 signals are grouped at one end of the board Figure 2 while the RS 232 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 SLC10232 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 SLC10232 MARK Low data passed to TXD RB RS 422 positive data receipt into SLC10232 MARK High data passed to TXD TA RS 422 negative data transmit from SLC10232 MARK Low data passed from RXD TB RS 422 positive data transmit from SLC10232 MARK High data passed from RXD RXD RS 232 data receipt into SLC10232 MARK negative data passed to TA TB TXD RS 232 data transmit from SLC10232 MARK negative data passed from RA RB COM Ground returns for the RS 422 and RS 232 signals Tie to Ground of User RS 232 and RS 422 Ports Two pads provided VR Voltage supplied by SLC10232 when needed to bias RA for TTL level receipts 05 RXD VIN VIN TB TA 9 0 COM COM_ VR 1 TXD RB RA C3 GND GND MICROBOTIC Figure 2 RS 232 Signals Figure 3 RS 422 Signals SLC10232 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 SLC10232
10. to the Ground of the user RS 232 Port Figure 4 shows a typical connection for the RS 232 signals while Figure 5 shows a typical connection to a user PC FAILURE TO CONNECT THE COM LINE TO THE USER PORT GROUND MAY CAUSE ELECTRICAL FAILURE OF THE SLC10232 AND VOIDS THE BOARD WARRANTY POWER IN POWER RETURN POSITIVE 4 40 VDC NEGATIVE GROUND USER RECEIVER VIN ei 120 O TERMINATION SLC10232 IF REQUIRED USER RS 422 SYSTEM TB Bus Ry R DATA MM RXD q gt les 1 R Rpos DAA OUT l d gt USER RS 232 TA y R Rm R SYSTEM TWISTED PAIR RB Tae T DATA MM TXD A K Ty Thos DATA N RA AAV T T F our Em TWISTED PAIR COM R4 COM GND GND 120 Q TERMINATION _ IF REQUIRED Figure 4 Typical User Connections to the SLC10232 Board POWER IN POWER RETURN POSITIVE 4 40 VDC NEGATIVE GROUND VIN USER RS 422 SYSTEM a TO USER PC T RB TXD gt gt mm 0 Ta RA IN R D lt TB RXD _ 1 3 DAIA k o lt OUT GND COM COM 5 ES T GND 2 TON SLC10232 FEMALE CONNECTOR Figure 5 Using the SLC10232 to Interface a PC to an RS 422 System 2 SLC10232 SINGLE CHANNEL SERIAL VOLTAGE LEVEL CONVERTER USER MANUAL 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 transmi
11. tted from the SLC10232 to the user system having been passed from the RXD input The RA and RB pair is the differential signal received by the SLC10232 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 COMLINE TO THE USER PORT GROUND MAY CAUSE ELECTRICAL FAILURE OF THE SLC10232 AND VOIDS THE BOARD WARRANTY 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 SLC10232 board provides a location for installing a 0402 sized termination resistor across the RA and RB lines Figure 6 Figure 6 Location of On Board Receive Line Termination Resistor 2 4 TTL Level Connections Using the RS 422 Port The RS 422 Port of the SLC10232 may be used to interface TTL level signals effectively creating a TTL lt
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