Page 1: ...00 Copyright fSSe by HAL Communications Corp Urbana Illinois Printed in the United States of America All rights reserved Contents of this publication may not be reproduced in any form without the writ...
Page 2: ...CUIT DESCRIPTION 6 0 LP IZLO SPECIFICATIONS LIMTTED WARRANTY MIL 188 114 to LOOP DATA CONVERSION MIL 188 114 CONNECTIONS CHANNEL CARD LED INDICATORS ILLUSTRATIONS Figure 2 1 Figure 2 2 Figure 5 L Figu...
Page 3: ...ted from main power lines of 115 or 230 VAC rear panel switch 50 60 H z drawing approximately 150 Watts The main cabinet is rack mounted with a 7 high x 19 wide front panel The AC power switch fuse an...
Page 4: ...p Current ON 10 to 100 ma from LOOP SPACE 6 VDC Loop Current OFF I 5 ma Note The above MIL 188 polarities are in agreement with MIL 188 114 and are inverted from those of the older MIL 188C standard M...
Page 5: ...loop device printer selector magnets polar relay or electronic loop sensing circuit If a polarity sensitive loop device is used be sure to observe the marked polarity of the LP 1210 LOOP OUT terminal...
Page 6: ...ly recommended with the shield connected to the LP 121 0 chassis ground barrier terminal The HDX connection is shown in Figure 2 2 LPl2IA 2 2 3 FDX 4 WIRE LOOP CONNECTTON A typical 4 wire full duplex...
Page 7: ...L21 0 If multiple LP t2L0 units are vertically mounted one above the other and used in a very warm environment it is recommended that additional ventillation fans be installed in the equipment rack t...
Page 8: ...RFI CONSIDERATIONS The LP tZL uses no internal oscillators or clocks does not radiate RFI signals and is not subject to FCC Part 15 regulations for incidental radiating devices The LP lzLO is contain...
Page 9: ...erminal full duplex 75 baud Jumper Lead 1 Turn on LP 12L0 and verify power light comes on 2 Connect the data terminal to the LP 1210 Set the terminal for 75 baud Ascii 3 Connect the LOOP OUT and LOOP...
Page 10: ...HV OUTPUT MARK and INPUT MARK LED s are ON and the OUTPUT SPACE and INPUT SPACE LED s are OFF Measure Voltage between Pin 3 and 7 of the DB 25 LIMIT 5 0 v 1 0v 12 Apply 5 0 vdc to Pin 2 of the DB 25...
Page 11: ...operation of MIL 188 114 SPACE data transmitter MIL188 No flash bad MIL188 Rcvr OK INPUT data INPUT No flash open INPUT LOOP OK LOOP MIL188 No flash bad MIL188 Xmtr OK OUTPUT data Note that the MARK L...
Page 12: ...n a high dust and humidty environment it is recommended that each circuit board be periodically removed and accumulated dust be brushed from the circuit board If the circuit boards are found to be exc...
Page 13: ...hassis and connected to each plug in card through edge connector pins A1 A2 and A3 The AC output of the transformer is rectified in the full wave bridge of D1 Dz D3 and D4 and then filtered by C1 Resi...
Page 14: ...loop circuit An input loop MARK condition there f ore turns the output transistor of U2 ON forcing a low voltage condition at U3b pin 5 the positve input of th MIL 188 11 4 output diiver A 6V output...
Page 15: ...anel fuse F1 Power ON condition is indicated by pilot lamp I1 connected to the 8V output of the low voltage power supply The positive LOOP OUTPUT terminal of each channel card pin A 5 is connected to...
Page 16: ...D tY i4 r li i i ll rl tii i s ll II lt l hJ l l J I 1 r t i I v2 z 2 o B P i c iE I R9 g r I r F I E f o T E n o C T T r r D I o x z z h I o fs gB HE I ru c td r E a1 x IJ FI c n T T Qo rt H lj C qZ...
Page 17: ...r l t l Tl I El l I I ocl oe I r T 1 8 8ta Ds EX s t Bdl l ti_l E E 5 A gd i iE iL sEl ulg EE d L Bt E s a9 I z EE AB a2 E L d o E Z gd Et s l Eg oE J o ON 6E E E J g J P lg EI o N r HAL9OO9 Figure 5...
Page 18: ...H V l al l H 6 L E y a ot I l qf l u _J I lfi I lfl l t r tt CI I A I lllll p B f lfiil il 0 u o oH It4s z trJ Fd l UA Za l tut 3r J I cr cu r l F z AE Lrl J J JJ lr l O z 4 2 Xcz U a3 o CU I o J Figu...
Page 19: ...LPLZLO Page L7 lEJ n l l et J oB Jt st F g o EI FA J f u u o 9E HAL9OO9 Figure 5 4 LP12100 LOW VOLTAGE POWER SUPPLY SCHEMATIC...
Page 20: ...A o 11 V fi Nr o l J 3 3L 1 Lj u tl BV BV I_ ffix ftr n t_ lJ I r r 1 EilQ f tt l l t JA v 0 u I rhG z Fd Jii Z f trt E JE J r dr d 7 n7 4 L j Eo t v r y i 0 J tu o I r cr J Z 1 ts l ZL Figure 5 5 LOW...
Page 21: ...2A o o o o I o o o o o o o o o a o o o o o o o o o o o o o 0_ u t 99 Q Z ftJ Ff nz z l Irt 3 tl Jd J I 2 LTJ t _ 1 J o A t CY o F JI z pq J O c l I o_ J c CJ Z HAL9OO9 Figure 5 7 LP 1210 CABINET PART...
Page 22: ...rrent OFF OUTPUT LOOP 20 or 60 ma INPUT LOOP l 0 to 100 ma Connector 6 position barrier terminal strip Data Rate 75 baud 115 or 230 VAC rear panel switch selected 60 Hz 120 Watts 50 Hz 155 WaLts Conne...
Page 23: ...orization Number at this time 4 Return the unit freight prepaid Include reference to the Return Authorization Number and problem tn a the shipping carton a brief description of the Correct installatio...
