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MIG-04/1
MIG-04/1 INTRINSICALLY SAFE MINING MODEM
The MIG-04/1 intrinsically safe mining modem is designed for transmitting digital data between two devices via two-wire mine telephone lines.
Supply voltage | 15VDC |
Maximum current consumption Operating temperature range | 115mA from -10°C to +55°C |
Degree of protection | IP20 |
Relative air humidity Bit rate | max. 95% 1200, 2400, 4800, 9600bps |
Data transfer mode | full or half duplex |
Modulation protocols Error Check Protocol | V.21, V.22, V.22 bis, V.23, V.32, V.32 bis, V.34, V 90 V.42, V.42bis |
Nominal impedance of telephone line | 600 Ohm |
Transmit signal level | -9dBm |
Minimum receive signal level Dimensions and weight | -43dBm 105 x 75 x 45 mm, 0.3 kg |
Circuit parameters | |
Terminals (15V, GND) | Ui = 16 V, Ii = 2 A, Li = 0, Ci = 0 |
| Clamps (RING, TIP) | Ui = 7.8 V, Ii = 185 mA, Li = 22 µH, Ci = 1.7 nF Uo = 7.14 V, Io = 53 mA, Lo = 50 mH, Co = 10 µF |
Terminals (TX, GND) | Uo = 12.6 V, Io = 60 mA, Lo = 10 mH, Co = 2 µF |
Terminals (RX, GND) | Ui = 12.6 V, Ii = 60 mA, Li = 0, Ci = 0 |
Terminals (CTS, GND) Terminals (ATX, BTX) | Uo = 12.6 V, Io = 60 mA, Lo = 10 mH, Co = 2 µF Uo = 5.9 V, Io = 115 mA, Lo = 10 mH, Co = 2 µF |
Clamps (ARX, BRX) | Ui = 5.9 V, Ii = 115 mA, Li = 0, Ci = 0 |
EC Type Examination Certificate No.: | FTZÚ 04 ATEX 0271 |
Explosion-proof construction feature | Ex I M2 (M1) Ex ib/ia I Mb (Ma) |
The circuit connected to the telephone line terminals (RING, TIP) has protection level "ia", the circuit connecting the terminals (TX, RX, CTS, ATX, BTX, ARX, BRX) has protection level "ib".
