ds000112 ver 1.1 feb 00 ?1999 reg. no. 227 4001, england page 1 r adio t elemetry s witch fm-112-433 fm-113-433 features radio telemetry switch invisible telemetry link screw terminal connections background watchdog range q fm up to 500 metres range. q am up to 100 metres range. momentary or latching outputs led indication of data tx, rx, low battery, link fail. single supply 9 - 16v dc. requires no radio licence to operate. ip65 rated enclosures description the r.f. solutions remote telemetry link provides a reliable one channel switching link that can be used for many telemetry applications. designed to save the cost or hard wiring, the system is easy to install with screw terminal provided at both ends. design to replace a simple wired switch the transmitter can receive a switch input with the receiver unit providing relay outputs rated at 10a @ 240vac. operation is simple, when a valid input signal is detected on the transmitter input, an encrypted message is sent to the receiver which reads the message and operates the relevant output. the system is highly secure using one in 10,000 billion possible encrypted codes. the system is made reliable by the automatic watchdog signal sent intermittently by the transmitter. if the watchdog signal is not received by the receiver within 24hours then an led indicates that the link has been lost. an additional ?low battery? led is also provided to indicate that the transmitter battery voltage is low. minimal configuration is required, once set to ?learn? mode, the receiver stores the transmitter identity code in non-volatile memory (remembers the code even when the power is removed) and the system is ready to operate. the receiver has the capacity to learn up to 50 transmitters identity thus enabling one to many and many to one transmitters and receivers block diagram keeloq mcu sw1 fm tx antenna v cc link 1 relay 1 mcu fm rx antenna v cc transmitter receiver
ds000112 ver 1.1 feb 00 ?1999 reg. no. 227 4001, england page 2 r adio t elemetry s witch fm-112-433 fm-113-433 connections radio tx pp3 battery sw i/p 1 j1 j6 rl1 no comm nc 0v 9 v dc in o/ p1 j3 j5 sw1 j1 radio rx j4 learn led transmitter receiver connection lost feature the transmitter will automatically transmit a signal to the receiver once every 24 hours. if the receiver does not receive this signal then the ?transmitter connection lost? led will illuminate. this will continue to operate until the receiver receives a valid transmission from the transmitter. if the receiver has been taught more than one transmitter then this feature is disabled. low battery the low battery feature informs the user that the transmitter used has a low voltage battery. the ?transmitter battery low? led illuminates if the receiver has received a transmitted signal with low voltage signal present. this will continue to operate until a transmitted signal without the low voltage signal has been received. if the receiver has been taught more than one transmitter then this feature is disabled. relay operation table link 1 (j1) relay 1 o/p open momentary connected latch note : in momentary mode the relay will operate for as long as the transmitter switch input is held on. learning a new transmitter 1. press the programming switch on the receiver once (sw1) 2. the learn led will illuminate 3. make the switch input on the transmitter once, learn led on the receiver will extinguish 4. make the switch input on the transmitter again, learn led will flash 5. when the learn led has stopped flashing this transmitter will now operate the system
ds000112 ver 1.1 feb 00 ?1999 reg. no. 227 4001, england page 3 r adio t elemetry s witch fm-112-433 fm-113-433 erasing transmitter(s) from memory 1. to completely erase all transmitter, press sw1 on the receiver for 10 seconds. 2. the learn led will turn off after the 10 seconds to indicate the transmitter(s) have been erased note : individual transmitters can not be erased. technical specifications: storage temperature; -10 to +70 o celsius. operating temperature; 0 to +55 o celsius. enclosure dimensions : length : 110mm, width : 85mm, height :35mm transmitter electrical characteristics min typical max dimension supply voltage 8 9 12 v supply current 11 14 21 ma frequency 432.90 433.920 434.100 mhz rf output power (erp) - 10 mw overall frequency accuracy -100 0 +100 khz receiver electrical characteristics min typical max dimension supply voltage for +12 v 9 12.0 16.0 v supply current : quiescent 15 ma all relays operating 80 100 ma relay rating @ 240vac 10 a part numbering part no description AM-113C-433 transmitter telemetry unit am version am-112c-433 receiver telemetry unit am version fm-113c-433 transmitter telemetry unit fm version fm-112c-433 receiver telemetry unit fm version for more information or general enquiries, please contact r. f. solutions ltd., unit 21, cliffe industrial estate, south street, lewes, e sussex, bn8 6jl. england tel +44 (0 )1273 898 000 fax +44 (0)1273 480 661 email sales@rfsolutions.co.uk http://www.rfsolutions.co.uk rf solutions is a member of the low power radio association all trademarks acknowledged and remain the property of the respected owners information contained in this document is believed to be accurate, however no representation or warranty is given and r.f. solutions ltd. assumes no liability with respect to the accuracy of such information. use of r.f.solutions as critical components in life support systems is not authorised except with express written approval from r.f.solutions ltd.
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