TSCU
Tunnel Sensors control unit
The TSCU is an operator interface compatible with the range of Tunnel Sensors instruments, providing a local visual display of readings, fault warnings and alarm conditions
TSCU
The TSCU operator interface is designed to be installed at ground level inside the tunnel bore allowing operators to control monitors high up on the tunnel wall. The TSCU provides a local visual display of readings, fault warnings and alarm conditions for up to 8 Tunnel Sensors monitors.
With a range of industry standard, user configurable outputs including RS485 (Modbus RTU), Digital Relays and Current Outputs, the TSCU can interface with the tunnel’s SCADA or ventilation control system.
Features
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Universal operator interface compatible with the range of Tunnel Sensors monitors
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Multi-heading capability; with option to control up to 8 separate instruments (via RS485)
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Wall mounted unit suitable for local or remote connection
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Easy to read back lit LCD display
Benefits
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Provides visual display of instrument readings, fault warning or alarm conditions
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Direct, ground level link for operators to monitor and control instruments high up on the tunnel wall
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IP65 rated external enclosure (when installed correctly)
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Choice of interface options with configurable relays and outputs
Specification
Instrument Interface
No. | Parameter | Units | Min | Max | Comment |
---|---|---|---|---|---|
1 | Serial Comms | Modbus RTU via RS485 | |||
2 | Number of Instruments on Bus | 8 | |||
3 | Length of Serial Comms Cable | km | 1 | Comms only. Total daisy-chain length |
Power
No. | Parameter | Units | Min | Max | Comment |
---|---|---|---|---|---|
4 | Voltage | Vdc | +24 (Optional 90-260Vac PSU available) | ||
5 | Voltage Tolerance | % | -10 | +10 | |
6 | Nominal Current Consumption | mA | 600 | TSCU power requirements only | |
7 | Power Up Current Consumption | mA | 600 | TSCU power requirements only |
User Interface Options
No. | Parameter | Units | Min | Max | Comment |
---|---|---|---|---|---|
8 | Serial Outputs |
Modbus RTU via RS485 USB (inside terminal compartment) | |||
9 | Analogue Outputs (1, 4 or 8) | mA | 0 / 2 / 4 | 20 | Isolated and scalable (user selected) |
10 | Digital Relay Contacts (1, 4, or 8) | A | 0 | 3 | @30 Vdc (signal levels and data valid) |
Physical
No. | Parameter | Units | Min | Max | Comment |
---|---|---|---|---|---|
11 | Ingress Protection | IP65 | Hinged door and terminal compartment closed | ||
12 | Operating Temperature | °C | -20 | +55 | |
13 | Operating Humidity | % | 100 | ||
14 | Regulatory Compliance |
2014/30/EU (Electromagnetic Radiation) 2014/35/EU (Low Voltage) | |||
15 | Materials |
Aluminium front panel with PU laminate overlay, and PC enclosure with nylon cable glands | |||
16 | Dimensions | mm | 232 x 211 x 119 | ||
17 | Weight | kg | 1.0 | ||
18 | Warranty | Months | 24 | Return to base warranty. Extensions available |
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