System 50 RACKS 24 Channel FEATURES • For use with System 50 Style Controllers • Available for Miniature, G5 and OpenLine® Modules (See p. L-4) • UL, CSA Certified (see Engineering Information, p. L-3) 24 CHANNEL RACK: Miniature Part No. 70MRCQ24 Dimensions are shown in inches (and millimeters). Tolerances are ± 0.010 (0,25) 0.40 (10,2) unless otherwise specified. 8.00 (203,2) 0.25 (6,4) 7.50 (190,5) FIELD WIRING TERMINAL STRIP (POSITIONS 0-11) LOGIC SUPPLY TERMINAL STRIP 1A FUSE – 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1.70 (43,2) + SOCKETS FOR OPTIONAL 1A FUSE 40 KEY SLOT PINS 23/25 6.00 (152,4) 11 12 10 13 9 14 8 15 7 16 6 17 5 18 4 19 3 20 2 21 1 22 0 23 2.60 (66,0) 5.50 (139,7) PIN 1 1 System 50 50 PIN EDGE CARD OR HEADER CONNECTOR FOR LOGIC SIGNALS (SEE SCHEMATIC) 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 Y AC INPUT B AC OUTPUT W DC INPUT R DC OUTPUT STATUS LED 5A FUSE 0.25 (6,4) FIELD WIRING TERMINAL STRIPS (POSITIONS 12-23) MODULE HOLD DOWN STRIP WITH THUMB SCREWS STANDOFF I.D. 0.15 (3,8) DIA. (4 PLACES) CLEARANCE FOR #6 SCREWS 2.20 (55,9) MAX. 0.75 (19,1) Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com L-88 System 50 24 Channel Racks 24 CHANNEL RACK: G5 Part No. 70GRCQ24 Dimensions are shown in inches (and millimeters). All tolerances are ± 0.010 (0,25) unless otherwise specified. 7.50 (190,5) 7.00 (177,8) LOGIC SUPPLY TERMINAL STRIP .25 (6,4) FIELD WIRING TERMINAL STRIP HOLES FOR USER INSTALLED JUMPER (22 AWG) COPPER WIRE 6.25 (158,8) 50 PIN STRAIGHT HEADER CONNECTOR 5.75 (146,1) PIN 1 1.675 (42,55) .075 (1,91) STANDOFF I.D. 0.15 (3,81) DIA. (4 PLACES) CLEARANCE FOR #6 SCREW .25 (6,4) 3.380 (85,85) .093 (2,36) REF. NYLON STANDOFF (1 PLACE) .750 (19,05) REF. System 50 L-89 Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com System 50 SCHEMATIC: PART NO. 70MRCQ24 AND 70GRCQ24 LOGIC SUPPLY TERMINAL STRIP + – 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 FIELD WIRING TERMINAL STRIP 1 A FUSE 1 2 3 4 5 OPTIONAL 1A FUSE 5A FUSES (MINI RACKS ONLY) 0 1 2 3 4 5 6 7 8 9 10 11 MODULE POSITION 49 47 45 43 41 39 37 35 33 31 29 27 25 LED STATUS INDICATORS (MINI RACKS ONLY) ALL EVEN PINS 2-50 PULL UP RESISTOR NETWORK 3.3 KW (3 PLACES) LED STATUS INDICATORS (MINI RACKS ONLY) 23 21 19 17 15 13 11 9 7 5 3 1 50 PIN CONNECTOR 23 5 4 3 2 1 MODULE POSITION 22 21 20 19 18 17 16 15 14 13 12 5A FUSES (MINI RACKS ONLY) 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 System 50 ORDERING INFORMATION SYSTEM 50 RACKS OVERVIEW (modules ordered separately) Part Number I/O Description UL 70MRCQ24-EC 70MRCQ24-HL 70GRCQ24-HL 24 24 24 Card edge 50-pin header with ejector levers 50-pin header with ejector levers X X X CSA X X X Style Mini Mini G5 See page L-69. Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor, or Grayhill. Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com L-90