ABB 23WT25 Manual Download Page 8

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2019-12-19

2.3.2

Configuration of frequency

The center frequency of the transmitter is configured by jumpers X2-1 to X2-5 while the re-
ceiver is configured by X3-1 to X3-5. Table 3 shows the corresponding jumper settings for the
possible center frequencies.

Jumper

X2-1 to X2-5 /

X3-1 to X3-5

R.35

50 Bd.

R.37

100 Bd.

R.38A/R38B

200/300

Bd.

V.23

1200 Bd.

5 4 3 2 1

· · · · ·

420 Hz ± 30 Hz

480 Hz ± 60 Hz

600 Hz ± 120 Hz

540 Hz ± 90 Hz

1700 Hz ± 400 Hz

5 4 3 2 1

· · · · ·

540 Hz ± 30 Hz

720 Hz ± 60 Hz

1080 Hz ± 120 Hz

900 Hz ± 90 Hz

5 4 3 2 1

· · · · ·

660 Hz ± 30 Hz

960 Hz ± 60 Hz

1560 Hz ± 120 Hz

1260 Hz ± 90 Hz

5 4 3 2 1

· · · · ·

780 Hz ± 30 Hz

1200 Hz ± 60 Hz

2040 Hz ± 120 Hz

1620 Hz ± 90 Hz

5 4 3 2 1

· · · · ·

900 Hz ± 30 Hz

1440 Hz ± 60 Hz

2520 Hz ± 120 Hz

1980 Hz ± 90 Hz

5 4 3 2 1

· · · · ·

1020 Hz ± 30 Hz

1680 Hz ± 60 Hz

3000 Hz ± 120 Hz

2340 Hz ± 90 Hz

5 4 3 2 1

· · · · ·

1140 Hz ± 30 Hz

1920 Hz ± 60 Hz

2700 Hz ± 90 Hz

5 4 3 2 1

· · · · ·

1260 Hz ± 30 Hz

2160 Hz ± 60 Hz

3060 Hz ± 90 Hz

5 4 3 2 1

· · · · ·

1380 Hz ± 30 Hz

2400 Hz ± 60 Hz

5 4 3 2 1

· · · · ·

1500 Hz ± 30 Hz

2640 Hz ± 60 Hz

Included in narrowband firmware release

300 Bd. not available with narrowband firmware release

Summary of Contents for 23WT25

Page 1: ...2019 12 19 1 20 1KGT151085 DECEMBER 19TH 2019 Application Note Connecting 23WT25 or 500FSD20 to NSK5 ...

Page 2: ...m 6 2 3 1 Configuration of baud rate 7 2 3 2 Configuration of frequency 8 2 3 3 Configuration of the serial interface 10 2 3 4 Configuration of 2 wire and 4 wire setups 11 2 4 Configuration of the 500FSD20 modem 13 2 5 Configuration of the NSK5 modem 14 2 5 1 Configuration of baud rate 15 2 5 2 Configuration of frequency 16 3 Verifying operation 17 4 Ordering Information 18 5 References 19 ...

Page 3: ...ess and investment 1 2 Modulation 23WT25 and 500FSD20 as well as NSK5 work on the principle of frequency shift keying FSK a modulation scheme highly immune to interference and noise The principle of FSK is the assignment of a characteristic frequency to a data bit to be trans mitted A logic one MARK is assigned to frequency fLwhile a logic zero SPACE is assigned to a higher frequency fU The freque...

Page 4: ...n optional additional backup line denoted by identifier 2 in case the main connection is broken This switchover circuit is not available on a 23WT25 A modem at the end of a transmission line has to be terminated correctly Please see 2 3 for details for the 23WT25 modem and 2 5 for the NSK5 modem If a modem is staggered some where in the run of a transmission line it has to be configured to be high...

Page 5: ...te 50 100 200 200 300 1200 Deviation NSK5 30 Hz 60 Hz 90 Hz 120 Hz 400 Hz 23WT25 30 Hz 60 Hz 90 Hz1 120 Hz 400 Hz Center frequencies Hz 23WT25 NSK5 420 480 540 600 540 1700 660 720 780 900 900 960 1080 1020 1140 1200 1260 1260 1380 1440 1560 1500 1620 1620 1680 1740 1860 1920 1980 2040 1980 2100 2160 2220 2340 2340 2400 2520 2460 2580 2640 2700 2700 2820 2880 3000 2940 3060 3060 3120 3180 NSK5 330...

Page 6: ... jumpers For an in depth description of all settings please see the connections and settings document 1KGT 150 592 In this document only basic settings for the interoperation of 23WT25 and NSK5 are described The position of jumpers can be taken from Figure 2 Figure 2 Jumper layout 23WT25 ...

Page 7: ...te smaller or equal than the config ured baud rate Configuration of the transmit baud rate is done via jumpers X2 6 to X2 8 while the receiving baud rate is configured by jumpers X3 6 to X3 8 Please take jumper settings for baud rate configuration in transmit and receive direction from Table 2 Jumper X2 6 to X2 8 X3 6 to X3 8 Baud rate Standard 8 7 6 1 2 3 50 Bd R 35 8 7 6 1 2 3 100 Bd R 37 8 7 6 ...

Page 8: ... 3 540 Hz 30 Hz 720 Hz 60 Hz 1080 Hz 120 Hz 900 Hz 90 Hz2 5 4 3 2 1 1 2 3 660 Hz 30 Hz 960 Hz 60 Hz 1560 Hz 120 Hz 1260 Hz 90 Hz2 5 4 3 2 1 1 2 3 780 Hz 30 Hz 1200 Hz 60 Hz 2040 Hz 120 Hz 1620 Hz 90 Hz2 5 4 3 2 1 1 2 3 900 Hz 30 Hz 1440 Hz 60 Hz 2520 Hz 120 Hz 1980 Hz 90 Hz2 5 4 3 2 1 1 2 3 1020 Hz 30 Hz 1680 Hz 60 Hz 3000 Hz 120 Hz 2340 Hz 90 Hz2 5 4 3 2 1 1 2 3 1140 Hz 30 Hz 1920 Hz 60 Hz 2700 H...

Page 9: ...2 3 1860 Hz 30 Hz 5 4 3 2 1 1 2 3 1980 Hz 30 Hz 5 4 3 2 1 1 2 3 2100 Hz 30 Hz 5 4 3 2 1 1 2 3 2220 Hz 30 Hz 5 4 3 2 1 1 2 3 2340 Hz 30 Hz 5 4 3 2 1 1 2 3 2460 Hz 30 Hz 5 4 3 2 1 1 2 3 2580 Hz 30 Hz 5 4 3 2 1 1 2 3 2700 Hz 30 Hz 5 4 3 2 1 1 2 3 2820 Hz 30 Hz 5 4 3 2 1 1 2 3 2940 Hz 30 Hz 5 4 3 2 1 1 2 3 3060 Hz 30 Hz ...

Page 10: ...ave to be placed into the default position See Table 4 for details Jumper X7 1 to X7 7 Signal Definition X7 1 3 2 1 CTS CCITT standard X7 2 3 2 1 DCD CCITT standard X7 3 3 2 1 RxD CCITT standard X7 4 3 2 1 not used X7 5 3 2 1 k1 DCD alarm delayed SQL alarm X5 7 1 2 X7 6 3 2 1 RTS CCITT standard X7 7 3 2 1 TxD CCITT standard Table 4 23WT25 configuration of serial interface default position ...

Page 11: ...nd 4 wire mode in a point to point or multidrop topology The jumper configuration for the different modes and topologies can be taken from Figure 3 Figure 4 Figure 5 and Figure 6 Figure 3 23WT25 Two wire mode point to point Figure 4 23WT25 Two wire mode multidrop Figure 5 23WT25 4 wire mode point to point ...

Page 12: ...2019 12 19 12 20 Figure 6 23WT25 4 wire mode Multidrop ...

Page 13: ...2019 12 19 13 20 2 4 Configuration of the 500FSD20 modem The 500FSD20 DIN rail device is a fully software configurable analog modem Information on configuration for NSK5 is available on request ...

Page 14: ...pth description of all settings please see the Instruction Manual docu ment 1KHL 015 989 In this document only basic settings for the interoperation of 23WT25 and NSK5 are described The position of jumpers and connectors can be taken from Figure 7 and Figure 8 Jumpers in Figure 7 denoted by are only available at NSK5 G4AF Figure 7 Jumper layout NSK5 G4AE and G4AF ...

Page 15: ...itches S1 Transmit channel and S2 Receive channel as listed in Table 2 For simplicity only baud rates compatible to 23WT25 and 500FSD20 are listed Switch S1 S2 Baud rate Standard 1 2 3 On On Off 50 Bd R 35 Off Off On 100 Bd R 37 Off On Off 200 Bd R 38B Off On On 200 Bd R 38A On Off Off 300 Bd R 38A On On Off 1200 Bd V 23 Table 5 NSK5 configuration of baud rates ...

Page 16: ...Off 1260 Hz 30 Hz Off On Off Off On 1380 Hz 30 Hz 1440 Hz 60 Hz 1560 Hz 120 Hz Off On Off On Off 1500 Hz 30 Hz 1620 Hz 90 Hz Off On Off On On 1620 Hz 30 Hz 1680 Hz 60 Hz Off On On Off Off 1740 Hz 30 Hz Off On On Off On 1860 Hz 30 Hz 1920 Hz 60 Hz 1980 Hz 90 Hz 2040 Hz 120 Hz Off On On On Off 1980 Hz 30 Hz Off On On On On 2100 Hz 30 Hz 2160 Hz 60 Hz On Off Off Off Off 2220 Hz 30 Hz 2340 Hz 90 Hz On...

Page 17: ... flickering according to the TxD led of the 23WT25 As soon as the DTE attached to the NSK5 starts answering the DTE attached to the 23WT25 the RTS led of the NSK5 will be switched on and the TxD led will be flickering during this time In return the DCD led on the 23WT25 modem will be switched on now and the RxD led of the 23WT25 will flicker according to the TxD led of the NSK5 On the 23WT25 the S...

Page 18: ... of sale Product Ident no Description 23WT25 R0001 1KGT012400R0001 RTU560 plug in modem 23WT25 500FSD20 R0001 1KGT039200R0001 500FSD20 analog DIN rail modem NSK5 G4AE R0005 HENF209637R0005 NSK5 FSK modem NSK5 G4AF R0005 HENF209638R0005 NSK5 FSK modem with alternate route selector NSK5 G4AK R0001 1KHL016009R0001 NSK5 FSK modem ...

Page 19: ...s and settings 1KGT 150 591 1KGT 150 592 500FSD20 Datasheet 1KGT 150 986 NSK5 Instruction Manual 1KHL 015 989 Contact Technical questions de eds sales support abb com Comercial topics orders substationautomation products de abb com Further information https solutions abb eds500 ...

Page 20: ...The detailed specifications agreed to at the time of ordering apply to all orders ABB accepts no responsibility for possible errors or incompleteness in this document We reserve all rights to this document and the topics and illustrations contained therein The document and its contents or extracts thereof must not be reproduced transmitted or reused by third parties without prior written consent b...

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