Product Summary
The 1746-NO4V is a four-channel analog voltage output module for the SLC 500 platform. It delivers precise -10 to +10 VDC signals. This module provides control for actuators, valves, and drives. Use it with fixed or modular SLC 500 hardware.
Product Procurement & Buyer Guide
The 1746-NO4V offers four non-isolated analog voltage outputs. Each channel provides a range of -10 to +10 VDC. This module uses a 14-bit resolution for accurate control. The update time is a fast 512 microseconds for all channels. This speed ensures responsive system performance.
The module requires a backplane current of 55 mA at 5 Volts. It also needs 145 mA at 24 Volts DC. You can power the module directly from the backplane. If backplane power is insufficient, use an external 24 VDC supply. Activate the SW1 switch to use the external source.
The module uses a 16-bit two’s complement binary format for communication. This coding ranges from -32,768 to +32,764. The output voltage coding directly maps to the analog signal. This module is factory calibrated for immediate use. It provides a maximum accuracy drift of only +/- 54 ppm per degree Celsius.
Step-by-Step Installation Guide
Mount the 1746-NO4V in any slot on a 1746 chassis. Always install the module away from AC wiring or high DC voltage sources. This placement minimizes electrical noise interference. Also, keep the module away from the system power supply. For optimal cooling, use a chassis near the enclosure bottom.
Never remove this module while the system power is on. Electrical arcs can damage the sensitive electronic circuitry. Always power down the entire system before removal. The module includes a removable terminal block (RTB) for easy wiring.
Use 14 AWG wire for all field connections. Do not terminate more than two wires in a single terminal. This practice provides space for troubleshooting. It also allows the module cover to close properly. The module features an LED status indicator for quick diagnostics.
Logistics & Standard Packaging Details
- One Allen-Bradley 1746-NO4V Analog Output Module
- One Removable Terminal Block (RTB)
- Standard anti-static packaging for safe transport
- Product documentation and installation guide
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