SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE DPS8 SERIES MINIATURE PUSHWHEEL SWITCHES FEATURES Lower cost miniature pushwheel switches with large visible readout characters . Bi-directional snap action detent pushbutton mechanism. Black housing and drum with white printing. Gangable rear mounting models with spacers and side covers. Gold wiping action contacts. P.C. board options include solderable lands. DPS8 SPECIFICATIONS Panel mounting hole: Height Width Installed depth with p.c. board: Short Long Insertion from front Insertion from rear MATERIALS Body: PPO .709"(18mm) .315"(8mm) PC board: 1.260"(32mm) 1.614"(41mm) no yes FR 4 DIN 40802 IEC 249-2, Contact surface gold over nickel on copper Sliding contact: Gold over nickel on copper alloy CODES Code positions marking 111 Decimal 10 0-9 131 BCD 10 0-9 137 BCD comp 10 0-9 141 BCD + comp 10 0-9 301 Hexadecimal 16 0-9, A-F(0-15) 400 change-over 10 +,-,+,-,etc.. see truth tables see truth tables see truth tables see truth tables see truth tables see truth tables STANDARD COLORS Housing,Drum,Printing 2 = black 3 = white 2,2,3 T ELECTRICAL DATA Operating voltage: Contact load, static: Contact load, dynamic: Contact resistance (type AK): 40 V max. 1 A max. 100 mA max. less than 100 mOhm TECHNICAL DATA Operating temperature range: Electric life, min. switching cycles Actuation force, approx (oz.): Weight, approx. (grams): Character height: 10 digit 16 digit Audible click Vibration DIN IEC 68, parts 2-6 Shock DIN 40046, part 7 -20C to 80C 1,000,000 14 4 .193" (4.9mm) .134" (3.4mm) yes yes yes Other special features are available upon request including: Factory or customer set stops (10 digit models) L.E.D. illumination (transparent drum) Red digits Decimal point Special codes or printing Gray housing See sockets at end of Pushwheel section. APEM, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com T1 DPS8 SERIES MINIATURE PUSHWHEEL SWITCHES TRUTH TABLES C 1 2 4 8 C 1 2 4 8 C 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 CODE 111 DECIMAL CODE 301 HEXADECIMAL CODE 400 CHANGE-OVER A+ 1 2 4 8 C A0 1 2 3 4 5 6 7 8 9 A B C D E F + + + + + CODE 141 BCD + COMP. C 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 C 1 2 4 8 1 2 4 8 0 1 2 3 4 5 6 7 8 9 MECHANICAL OUTLINE WITH PANEL CUT-OUT & MOUNTING T SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE CODE 137 BCD COMP. CODE 131 BCD n = number of switches PIN CONNECTIONS The switching mode is shorting - i.e. even during actuation, at least one output is connected 131 to input C. 137 "bl" is used for models AK 141 ordered 301 with L.E.D. illumination 400 only. Pitch .079"(2mm) Pitch .067"(1.7mm) T2 + C 1 2 4 8 - + C 1 2 4 8 1 1 2 2 4 4 8 8 C + + 1 2 C 8 4 C A+ A- - 131 137 C 1 C 1 2 4 8 2 4 8 C 1 C 2 4 8 + - 0 1 2 3 4 C 5 6 7 8 9 131 C 1 2 4 8 301 400 111bl + 0 1 2 3 4 C 5 6 7 8 9 - 301 C 1 2 4 8 131bl + C 1 2 4 8 - 111 APEM, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com DPS8 SERIES MINIATURE PUSHWHEEL SWITCHES PRINTED CIRCUIT OPTIONS SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE P.C. boards have .039" (1mm) holes and are suitable for soldering or socket connection (with the exception of LED illumination option). AK short p.c. board AKU short p.c. board AL long p.c. board For BCD models, the output traces are supplied disconnected ALU long p.c. board LS p.c. board w/solder pins Ordering information: Below is an order format that enables you to 'build your own switch' and specify the correct switch model number by simply selecting from available options shown and filling in the boxes. Consult factory for fully assembled switches. 'BUILD YOUR OWN SWITCH' ORDER FORMAT Series model D P S Code P.C. board Terminations Standard colors 8 2 1 1 1 1 3 4 1 3 3 4 0 0 1 1 7 1 1 0 Decimal BCD BCD comp. BCD +comp. Hexadecimal. Change-over A A A A K K L L Short U Short (rt. angle) Long U Long (rt. angle) (NONE) L S With p.c. solder pins Black housing. & drum, white lettering. Example of complete model no.: DPS8131ALLS2 Order SP12 as a separate line item for limit stop pin (for 10 position models only). ACCESSORIES T Order separately DPS8L2 Dummy switches DPS8A2 Spacer DPS8PW2 Pair of side covers DPS8L2 Dummy housing DPS8P2 Pair of side covers These are empty plastic housings with the same dimensions as DPS8 model (see outline). Use to fill hole where switch is not needed. APEM, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com T3