IRIG-B TTL to RS485 Converter is used to convert the IRIG-B TTL to IRIG-B RS485 signal. The IRIG-B TTL signal is a time synchronization protocol that can be transmitted up to 50m maximum using coaxial cable. So the relay that is to receive the IRIG-B TTL signal may be far away from the IRIG-B source. The relay may be not able to synchronize with the GPS. To avoid such an incident in the field, some of the relays have provision to receive IRIG-B RS485 signal. The IRIG-B RS485 signal can be able travel up to 1200m without any booster. All Time source equipment may not be supplied with IRIG-B RS485 signal output. The converter will act as a bridge between GPS time source and relays for time synchronization.
IRIG-B TTL to IRIG-B RS485 provides easy and affordable connectivity to substation equipment, power generation and distribution equipment. It converts the IRIG-B TTL input format like 002, 004, 006 & IEEE1344 and IEEE C37.118 to RS485 output with the same format. With these plug-n-play units, you can expand your IRIG-B TTL signal to a long distance. The converter supports 2-wire RS-485. It can support a minimum of 32 nodes or 128 nodes (1/4 UL) based on unit load. It is rugged and surge-protected equipment. Moreover, its cabinet can be mounted directly on a wall without the need for additional brackets. It has an in-built power supply module, therefore, doing away with the need for an external power adapter. It consists of a BNC connector for IRIG-B TTL input and a terminal block for IRIG-B RS485 outputs. There is an LED indication for power & signal outputs. The power supply can be customized when ordering.
Power Supply | |
---|---|
Standard |
90V to 370V DC 85 to 260V AC, 1φ, (47Hz to 63Hz) or |
Custom | 24V DC or 48V DC |
Power Consumption | <5W |
Input Signal | |
IRIG-B (PWM/TTL) |
Logic 1 :3V to 5V +10% Logic 0 :0V +250mV |
Humidity | 95% Non-Condensing |
Mechanical | |
---|---|
Installation | Wall Mountable |
Dimension | 40mm (H) x 100mm (W) x 135mm (D) ± 5mm |
Weight | <250g |
Protection Class | IP20 |
Output Signal | |
Output | IRIG-B RS485 |
Distance | 1200m |
Number of Output | 1 |
Connector | Pluggable Terminal Block, 120Ω |
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