The TTM 01-G clips onto a standard DIN rail. Its rugged compact design is suitable for noisy electrical environments, while built in electrical isolation combined with strong push pull drives on outputs simplify wiring schemes and enhances reliability.
OPT: Optional Output The TTM 01-G has a slot for one IO card to allow a variety of user interfaces. Each card is limited to one additional port with at least 3 kV isolation from the rest of the system to avoid current loops.
Power Supply Options There are three different power supply options available for the TTM 01-G. Low, medium or high voltage supplies are available and feature similar maximum output ratings but different levels of isolation. Power Supply Features 14 – 36 Vdc.
Connecting the TTM 01-G The TTM 01-G has a SMA connector, RJ45 / 100Base FX connector and ST Fiber output on the top and a row of rising clamp screw terminals on the bottom. Any connection not required may be left unterminated. The screw terminals are designed for the following cables;...
Figure 3: Power Supply Connections Note: The Power supply has polarity protection built in to prevent damage. The label on the side of TTM 01-G indicates the type of output Option Card fitted: Do not apply voltages to output only interfaces!
However, this will not provide immunity from damage caused by a direct lightning strike, or voltages induced in the antenna lead-in cable due to side flashes or induction. All Tekron antenna installations should follow the guidelines above – regardless of whether a separate lightning protection device is to be fitted to the antenna lead-in cable.
Fields between brackets (‘<’ and ‘>’) represent ASCII character codes. The used codes are in the following table: Fibre transmitter is compatible with 50/125 µm, 62.5/125 µm and 100/140 µm multimode glass fiber. Fibre Ethernet is compatible with 50/125 µm and 62.5/125 µm multimode glass fiber. TTM 01-G Manual / October 2018...
Transmitted once every second. The leading edge of the “start” bit of the first character <SOH> is Timing exactly on the second that the message describes. Default Comms 9600 bps, 8-bit ASCII, no parity Definition <SOH>ddd:hh:mm:ss:yy<CR><LF> TTM 01-G Manual / October 2018...
112 of year (20)02, time: 12:34:36, out-of-sync String-D Time Code O/P String-D is IDENTICAL in content to String-B, but the second mark is at the leading edge of the start-bit of the (<CR>). TTM 01-G Manual / October 2018...
The string is transmitted once every second, with the leading edge of the “start” bit of the last Timing <ETX> exactly on the second. Default Comms 9600 bps, 8-bit ASCII, no parity Definition <STX>swhhmmssDDMMyy<LF><CR> <ETX> Placeholder Content Clock Status (see below) Day of Week (see below) TTM 01-G Manual / October 2018...
UTC month: “01” – “12”, “01” = January YYYY UTC year, 4 digits. Local time zone offset sign (positive means local time leads UTC) Local time zone offset from UTC in hours Local time zone offset from UTC in minutes TTM 01-G Manual / October 2018...
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