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RS-232 Modbus RTU Interface to 8 Isolated Inputs / 8 High-Current Form C Relay Outputs
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SEALEVEL 520S
SeaI/O-520S |
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Control and monitor 8 optically isolated inputs and 8 (SPDT) high-current Form C relay outputs with the SeaI/O-520S. Inputs can range from 5-30VDC and optical isolation protects the computer and other sensitive equipment from voltage transients and ground loops that are common in industrial environments. The high-current Form C relays can switch up to 6A loads at 250VAC and up to 5A at 60VDC. Form C relays can be wired for either normally open or normally closed operation. The SeaI/O-520S is powered from your 9-30VDC source, or select from a variety of Sealevel power supply options.
Communicate with the SeaI/O-520S using the Sealevel SeaMAX API software libraries or use any Modbus RTU compliant device. Sealevel's SeaMAX software drivers and utilities make installation and operation easy using Windows 2000, XP and Vista operating systems.
Expand your I/O network with SeaI/O "N" series products. SeaI/O modules are available with Reed and Form C relays, optically isolated inputs, TTL interfaces, A/D and D/A functionality. Up to 246 additional expansion modules can be added using convenient pass-through connectors.
Get a jumpstart on your digital I/O development with The Digital I/O Handbook that will provide helpful information that you will use again and again. Check out Chapter 1 for an overview of logic principles.
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| Technical Specifications |
| Number of I/O
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8 Inputs
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| 8 Outputs
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| Input Isolation |
300V
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| Input Range |
5-30 VDC
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| Contact Voltage |
250VAC
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| 60VDC
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| Contact Current (AC) |
6A max.
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| Contact Current (DC) |
<30 VDC @ 5A max.
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| >30 VDC @ 500mA max.
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| Switching Capacity |
5 VDC @ 100mA min.
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| Contact Operate Time |
10ms max.
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| Contact Release Time |
10ms max.
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| Power Requirement |
9-30 VDC @ 3.7W
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| Operating Temperature |
0 - +70°C
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| Storage Temperature |
-50° - +105°C
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| Humidity Range |
10 - 90% R.H.
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| Dimensions |
7.5" (L) x 5.1" (W) x 1.3" (H)
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Features:
- RS-232 Modbus RTU interface
- 8 optically isolated inputs
- 8 SPDT high-current Form C relays
- Removable screw terminals simplify field wiring
- Input power via terminal block or modular connector
- DIN rail or table mount
- Sealevel software supports Windows 2000/XP/Vista operating systems
 Catalogue entry
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