CIRCUIT DESIGN SLR-434M Operation Manual Download Page 10

OPERATION GUIDE

OG_SLR-434M_v10e

Circuit Design, Inc.

10

7. Communication frequency table

The frequencies used for radio communication are the 137 channels in the 434 MHz band shown in
the table below.

Channel

Frequency

Channel

Frequency

Channel

Frequency

NO.

HEX

(MHz)

NO.

HEX

(MHz)

NO.

HEX

(MHz)

0

00

433.0750

34

22

433.5000

68

44

433.9250

1

01

433.0875

35

23

433.5125

69

45

433.9375

2

02

433.1000

36

24

433.5250

70

46

433.9500

3

03

433.1125

37

25

433.5375

71

47

433.9625

4

04

433.1250

38

26

433.5500

72

48

433.9750

5

05

433.1375

39

27

433.5625

73

49

433.9875

6

06

433.1500

40

28

433.5750

74

4A

434.0000

7

07

433.1625

41

29

433.5875

75

4B

434.0125

8

08

433.1750

42

2A

433.6000

76

4C

434.0250

9

09

433.1875

43

2B

433.6125

77

4D

434.0375

10

0A

433.2000

44

2C

433.6250

78

4E

434.0500

11

0B

433.2125

45

2D

433.6375

79

4F

434.0625

12

0C

433.2250

46

2E

433.6500

80

50

434.0750

13

0D

433.2375

47

2F

433.6625

81

51

434.0875

14

0E

433.2500

48

30

433.6750

82

52

434.1000

15

0F

433.2625

49

31

433.6875

83

53

434.1125

16

10

433.2750

50

32

433.7000

84

54

434.1250

17

11

433.2875

51

33

433.7125

85

55

434.1375

18

12

433.3000

52

34

433.7250

86

56

434.1500

19

13

433.3125

53

35

433.7375

87

57

434.1625

20

14

433.3250

54

36

433.7500

88

58

434.1750

21

15

433.3375

55

37

433.7625

89

59

434.1875

22

16

433.3500

56

38

433.7750

90

5A

434.2000

23

17

433.3625

57

39

433.7875

91

5B

434.2125

24

18

433.3750

58

3A

433.8000

92

5C

434.2250

25

19

433.3875

59

3B

433.8125

93

5D

434.2375

26

1A

433.4000

60

3C

433.8250

94

5E

434.2500

27

1B

433.4125

61

3D

433.8375

95

5F

434.2625

28

1C

433.4250

62

3E

433.8500

96

60

434.2750

29

1D

433.4375

63

3F

433.8625

97

61

434.2875

30

1E

433.4500

64

40

433.8750

98

62

434.3000

31

1F

433.4625

65

41

433.8875

99

63

434.3125

32

20

433.4750

66

42

433.9000

100

64

434.3250

33

21

433.4875

67

43

433.9125

101

65

434.3375

Summary of Contents for SLR-434M

Page 1: ...sign Inc Embedded low power radio modem SLR 434M Smart RF modem Operation Guide Version 1 0 Jan 2018 Circuit Design Inc 7557 1 Hotaka Azumino Nagano Japan Tel 0263 82 1024 Fax 0263 82 1016 e mail info...

Page 2: ...nts 1 OVERVIEW 3 2 FEATURES AND APPLICATIONS 3 3 SPECIFICATIONS 4 4 PART NAMES AND FUNCTIONS 5 5 CONNECTION EXAMPLES FOR DIO TERMINALS 8 6 APPEARANCE 9 7 COMMUNICATION FREQUENCY TABLE 10 8 UART PORT C...

Page 3: ...to 8 contacts 2 Features and applications Features RED compliant Plan Ultra long distance communication using the LoRa mode Enhanced resistant to city noise and longer range compared with our earlier...

Page 4: ...orage temperature range 30 to 80 C Recommended operating voltage range 3 5 to 5 0 V Warranted operating voltage range 3 3 to 5 5 V Operating current Tx 29 mA Typ Rx 17 mA Typ Supply power 5 V Antenna...

Page 5: ...bps Bits 8 Parity none Stop 1 Serial data Transmitter RXD I Serial data Receiver RTS O The UART control terminal When RTS Hi do not input data Hardware flow control output terminal CTS I The UART cont...

Page 6: ...LORA CMD MODE or FSK CMD MODE is output from the TXD terminal after the device restarts After reset and restart the device is initialized to the setting value saved by adding W to commands such as ch...

Page 7: ...he transmission monitor LED connection terminal Lo Active When a radio wave communication signal is sent this terminal changes to Lo GND The ground terminal VCC The power supply terminal Connect to a...

Page 8: ...nal level inverted via a transistor Using long wiring between the DIO terminal and the switch may cause malfunction due to noise In that case take measures such as externally pulling down with a resis...

Page 9: ...6 Appearance Note When designing circuit boards take care to ensure space for the SMA connector dimensions and screw fixture for connecting the antenna If the underside of the connector is also the su...

Page 10: ...4F 434 0625 12 0C 433 2250 46 2E 433 6500 80 50 434 0750 13 0D 433 2375 47 2F 433 6625 81 51 434 0875 14 0E 433 2500 48 30 433 6750 82 52 434 1000 15 0F 433 2625 49 31 433 6875 83 53 434 1125 16 10 43...

Page 11: ...34 000 MHz for shipment If you intend to use several SLR 434M units in the same area use a channel plan that takes into account radio interference due to third order intermodulation Circuit Design pro...

Page 12: ...D setting Equipment Target station Group ID EI DI GI 0A With Equipment ID EI 0A Sets the Equipment ID local station to 0A Sets the ID for identifying each radio station and the other party in communic...

Page 13: ...fter command value data optional add the line feed code CR LF If you omit value data you can check the content of the current settings If the optional W is added the setting value is saved and it beco...

Page 14: ...cuits and reverse connections may result in overheating and damage and must be avoided at all costs Ensure that the power supply has been switched off before attempting any wiring work The case is con...

Page 15: ...vision History Version Date Description Remark 0 91 Feb 2017 Provisional Edition 1 0 Jan 2018 The copyright of this manual belongs to Circuit Design Inc Reproduction duplication or modification of par...

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