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Communication solutions for power utilities 

1U SHELF TYPE MAS-2 
WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP -
 Rev. 9  (January 2018) 

34/39 

 
 

Microswitch

 

 

Transmission speed (Bd)/



f (Hz)

 

V.23 

T

x

/R

(Bd): f(Hz)

 

10 

50/

30 

100/

60  200/

120  200/

90 

200/

60  600/

180

 

1200/

400

 

2400/

800

 

OFF 

OFF 

OFF 

OFF 

OFF 

420 

480 

600 

--- 

--- 

840 

1700 

1800 

--- 

ON 

OFF 

OFF 

OFF 

OFF 

540 

720 

1080 

--- 

--- 

1800 

2940 

2000 

--- 

OFF 

ON 

OFF 

OFF 

OFF 

660 

960 

1560 

--- 

--- 

2760 

--- 

--- 

1200/75: 1700 

ON 

ON 

OFF 

OFF 

OFF 

780 

1200 

2040 

--- 

--- 

1500 

--- 

--- 

--- 

OFF 

OFF 

ON 

OFF 

OFF 

900 

1440 

2520 

--- 

--- 

3040 

--- 

--- 

--- 

ON 

OFF 

ON 

OFF 

OFF 

1020 

1680 

3000 

--- 

--- 

2800 

--- 

--- 

--- 

OFF 

ON 

ON 

OFF 

OFF 

1140 

1920 

3480 

--- 

--- 

--- 

--- 

--- 

600/75: 1500 

ON 

ON 

ON 

OFF 

OFF 

1260 

2160 

--- 

540 

--- 

--- 

--- 

--- 

--- 

OFF 

OFF 

OFF 

ON 

OFF 

1380 

2400 

--- 

900 

--- 

--- 

--- 

--- 

--- 

ON 

OFF 

OFF 

ON 

OFF 

1500 

2640 

--- 

1260 

--- 

--- 

--- 

--- 

--- 

OFF 

ON 

OFF 

ON 

OFF 

1620 

2880 

--- 

1620 

--- 

--- 

--- 

--- 

--- 

ON 

ON 

OFF 

ON 

OFF 

1740 

3120 

--- 

1980 

--- 

--- 

--- 

--- 

--- 

OFF 

OFF 

ON 

ON 

OFF 

1860 

3360 

--- 

2340 

--- 

--- 

--- 

--- 

--- 

ON 

OFF 

ON 

ON 

OFF 

1980 

3600 

--- 

2700 

--- 

--- 

--- 

--- 

--- 

OFF 

ON 

ON 

ON 

OFF 

2100 

--- 

--- 

3060 

--- 

--- 

--- 

--- 

--- 

ON 

ON 

ON 

ON 

OFF 

2220 

--- 

--- 

3420 

--- 

--- 

--- 

--- 

--- 

OFF 

OFF 

OFF 

OFF 

ON 

2340 

--- 

--- 

--- 

3000 

--- 

--- 

--- 

--- 

ON 

OFF 

OFF 

OFF 

ON 

2460 

--- 

--- 

--- 

3500 

--- 

--- 

--- 

--- 

OFF 

ON 

OFF 

OFF 

ON 

2580 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

ON 

ON 

OFF 

OFF 

ON 

2700 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

OFF 

OFF 

ON 

OFF 

ON 

2820 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

ON 

OFF 

ON 

OFF 

ON 

2940 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

OFF 

ON 

ON 

OFF 

ON 

3060 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

ON 

ON 

ON 

OFF 

ON 

3180 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

OFF 

OFF 

OFF 

ON 

ON 

3300 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

ON 

OFF 

OFF 

ON 

ON 

3420 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

OFF 

ON 

OFF 

ON 

ON 

3540 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

ON 

ON 

OFF 

ON 

ON 

3660 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

OFF 

OFF 

ON 

ON 

ON 

3780 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

ON 

OFF 

ON 

ON 

ON 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

75/600: 420 

OFF 

ON 

ON 

ON 

ON 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

--- 

75/1200: 420 

Table 5    Programming of the central frequency of the modem 

Содержание MAS-2

Страница 1: ...ties 1 39 ZIV Antonio Machado 78 80 08840 Viladecans Barcelona Spain Tel 34 933 490 700 Fax 34 933 492 258 Mail to ziv zivautomation com www zivautomation com 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PRO...

Страница 2: ...018 2 39 SAFETY SYMBOLS WARNING OR CAUTION This symbol denotes a hazard Not following the indicated procedure operation or alike could mean total or partial breakdown of the equipment or even injury t...

Страница 3: ...ING PRINCIPLE 19 2 1 TRANSMISSION 19 2 2 RECEPTION 19 2 3 GENERAL ALARM 20 2 4 TEST DEVICES 20 2 4 1 Line loop 21 2 4 2 Data loop 21 2 4 3 Continuous sending of test signals 22 2 5 MODEM BLOCKING 22 3...

Страница 4: ...rations of the MAFP modem allow it to share the available band with speech frequencies and teleprotection signals The speech band is limited by a frequency of 300 Hz and by an upper frequency that is...

Страница 5: ...ion of the equipment status 1 2 TECHNICAL CHARACTERISTICS 1 2 1 Data transmission Data format Binary serial Asynchronous and anisochronous Modulation Frequency shift keying FSK Transmission speed Prog...

Страница 6: ...w for each speed and as an example the response curve of the transmission and reception filters at a determined frequency Line frequency stability 0 5 Hz across the whole temperature range Transmissio...

Страница 7: ...t in three ranges Nominal selectivity for an attenuation of 40 dB At 50 Bd 30 Hz 192 Hz At 100 Bd 60 Hz 380 Hz At 200 Bd 120 Hz 784 Hz At 200 Bd 90 Hz 560 Hz At 200 Bd 60 Hz 381 Hz At 600 Bd 180 Hz 16...

Страница 8: ...etween 420 and 3800 Hz Isochronous distortion 3 for all speeds Carrier detection Generation of alarm at 14 dB below the adjusted receive nominal level Hysteresis 3 dB Insulation voltage IEC 870 2 1 cl...

Страница 9: ...5 ms At 100 Bd 23 ms At 200 Bd 11 5 21 5 ms depending on the central frequency At 600 Bd 7 ms At 1200 Bd 14 ms f0 1700 Hz 32 ms f0 2940 Hz At 2400 Bd 32 ms Nominal delay in the CD signalling at the ap...

Страница 10: ...State of the logical signals of the interface Realization of some kind of test Realization of line and data loops Equipment status Indication that the modem is configured to be used in Power Line Car...

Страница 11: ...onditions Operating Temperature and humidity In accordance with IEC 721 3 3 class 3K5 5 C to 50 C 95 non condensing Mechanical IEC 721 3 3 class 3M1 Storage Maximum temperature In accordance with IEC...

Страница 12: ...MODEM MAFP Rev 9 January 2018 12 39 NOTE 3A is the maximum current Figure 1 DC voltage DC current Insulation voltage IEC 870 2 1 class 2 1 kVrms 50 Hz 1 min Impulse voltage IEC 870 2 1 class 2 2 kVp 1...

Страница 13: ...lutions for power utilities 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP Rev 9 January 2018 13 39 Figure 2 Central frequencies programmable in the MAFP modem according to the data tra...

Страница 14: ...ABLE MODEM MAFP Rev 9 January 2018 14 39 Figure 3 Response curve of the reception filter for a transmission speed of 50 Bd and central frequency of 2100 Hz Figure 4 Response curve of the transmission...

Страница 15: ...Rev 9 January 2018 15 39 Figure 5 Response curve of the transmission and reception filters for a transmission speed of 200 Bd 120 Hz and central frequency of 2040 Hz Figure 6 Response curve of the tra...

Страница 16: ...AFP Rev 9 January 2018 16 39 Figure 7 Response curve of the transmission and reception filters for a transmission speed of 200 Bd 60 Hz and central frequency of 3500 Hz Figure 8 Response curve of the...

Страница 17: ...MAFP Rev 9 January 2018 17 39 Figure 9 Response curve of the transmission and reception filters for a transmission speed of 1200 Bd and central frequency of 1700 Hz Figure 10 Response curve of the tra...

Страница 18: ...utilities 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP Rev 9 January 2018 18 39 Figure 11 Response curve of the transmission and reception filters for a transmission speed of 2400 Bd...

Страница 19: ...f the RTS signal is active and blocked in the opposite case The transmitter can be permanently activated by means of microswitch 7 The CTS signal is generated as a reply to the RTS signal after a pre...

Страница 20: ...below the nominal level the general alarm is activated It must be taken into account that there is an hysteresis of 3 dB The general alarm is indicated by the STATUS LED lit permanently in red and ex...

Страница 21: ...position The LEDs TEST and LINE LOOP on the front plate of the terminal light up to indicate this situation both being amber 2 4 2 Data loop As can be seen in Figure 13 a double loop is carried out i...

Страница 22: ...the terminal by means of the lighting up of the TEST LED It is not necessary the activation of the RTS signal in order to continuously send test signals 2 5 MODEM BLOCKING Data reception remains block...

Страница 23: ...l as the front plate As a guide to the mechanical installation a drawing at the end of the manual shows the general dimensions of the shelf The general power supply switch is found at the back of the...

Страница 24: ...e back part consists of four connection blocks one for the power supply another for line connection either reception or transmission a third for the general alarm relay associated to the modem and a f...

Страница 25: ...ication solutions for power utilities 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP Rev 9 January 2018 25 39 Figure 15 Use of the power supply connector Figure 16 Use of the alarm conn...

Страница 26: ...ne connection terminals Figure 18 RS 232C connector RS 232C connector J2 connector MAFP Use DTE DCE 2 22c TD Transmitted data 3 22a RD Received data 4 30c RTS Request to send 5 30a CTS Clear to send 8...

Страница 27: ...Communication solutions for power utilities 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP Rev 9 January 2018 27 39 Figure 19 Rear view of the shelf...

Страница 28: ...ment of the modem are given The front view of the modem is shown in Figure 20 4 1 FRONT PLATE ELEMENTS All the accessible front plate elements are described below 4 1 1 CONFIGURATION microswitch Micro...

Страница 29: ...ns of CD signal carrier loss Microswitches 9 and 10 Selection for sending of test signals and normal operation In all the test conditions the RTS signal is generated internally and continuously Config...

Страница 30: ...is in active state DSR 107 LED Amber Indicates the modem is working correctly CD 109 LED Amber Indicates the detection of line signals and lights up when the level of the carrier is above a pre set le...

Страница 31: ...ncorrect configuration the selected modem is inconsistent The LED lights in amber to indicate that the equipment is in firmware upgrade mode 4 1 3 Adjustments and test points XMT ADJUSTMENT potentiome...

Страница 32: ...Communication solutions for power utilities 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP Rev 9 January 2018 32 39 Figure 20 Front view of the MAFP module...

Страница 33: ...lay blocked OFF Normal operation of the alarm relay controlled by CD signal Microswitches 3 4 and 5 Selection of the speed the modem will work at Microswitch Transmission speed Bd 3 4 5 ON OFF OFF 50...

Страница 34: ...OFF OFF 1140 1920 3480 600 75 1500 ON ON ON OFF OFF 1260 2160 540 OFF OFF OFF ON OFF 1380 2400 900 ON OFF OFF ON OFF 1500 2640 1260 OFF ON OFF ON OFF 1620 2880 1620 ON ON OFF ON OFF 1740 3120 1980 OFF...

Страница 35: ...igure 21 Position of the microswitch and the jumpers in the MAFP module 4 3 INTERNAL JUMPERS Figure 21 shows the position of the jumpers in the card S4 Selection of the transmission level range A 15 d...

Страница 36: ...he transmitter output with a 600 resistor 2 Select the range required for the transmission level by means of jumper S4 3 The fine adjustment of the transmit level is carried out by means of potentiome...

Страница 37: ...Communication solutions for power utilities 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP Rev 9 January 2018 37 39 Figure 22 Back panel WMAS...

Страница 38: ...Communication solutions for power utilities 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP Rev 9 January 2018 38 39 Figure 23 Asynchronous modem MAFP...

Страница 39: ...Communication solutions for power utilities 1U SHELF TYPE MAS 2 WITH ASYNCHRONOUS PROGRAMMABLE MODEM MAFP Rev 9 January 2018 39 39 Figure 24 Overall dimensions MAS 2...

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