Rockwell-automation 1606-XLSBUFFER48 Power Supply Reference Manual Manual de usuario descargar pdf (Pagina 8)

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.

8 Rockwell Automation Publication 1606-RM027A-EN-P — April 2014

Bulletin 1606 Switched Mode Power Supplies

12. Terminals and Wiring

Power terminal

Type Bi-stable, quick-connect spring clamp terminals. IP20 Finger-safe construction.

Suitable for eld- and factory installation. Shipped in open position.

Solid wire 0.5-6mm

Stranded wire 0.5-4mm

AWG 20-10AWG

Ferrules Allowed, but not required

Pull-out force 10AWG:80N, 12AWG:60N, 14AWG:50N, 16AWG:40N (according to UL486E)

Wire stripping length 10mm / 0.4inch

Fig. 12-1 Connecting a wire

Instructions:

a) Use appropriate copper cables designed

for an operating temperature of 60°C.

b) Follow national installation codes and regulations.

c) Ensure that all strands of a stranded wire are fully

inserted in the terminal connection.

d) Up to two stranded wires with the same cross-

section are permitted in one connection point.

1. Insert the wire 2. Snap the lever

To disconnect wire : reverse above procedure.

Signal terminal

Type Plug connector with screw terminal mechanism.

Finger-touch-proof terminal with captive screws for 3.5mm slotted screwdriver.

Solid / stranded wire

0.2-2.5mm

AWG 22-14AWG

Ferrules

up to 1.5 mm

wire gauge

Wire stripping length 6mm / 0.24inch

Tightening torque 0.4Nm, 3.5lb.in

13. Reliability

Lifetime expectancy min. 41 000h 40°C, stand-by mode

min. 116 000h 25°C, stand-by mode

MTBF SN 29500, IEC 61709 2 348 000h 40°C, stand-by mode

4 231 000h 25°C, stand-by mode

MTBF MIL HDBK 217F 405 000h 40°C, stand-by mode, ground benign GB40

636 000h 25°C, stand-by mode, ground benign GB25

The Lifetime expectancy shown in the table indicates the operating hours (service life) and is determined by the

lifetime expectancy of the built-in electrolytic capacitors. Lifetime expectancy is specied in operational hours.

Lifetime expectancy is calculated according to the capacitor’s manufacturer specication.

MTBF means Mean Time Between Failures, which is calculated according to statistics of device failures, and

indicates reliability of a device. It is the statistical representation of the likelihood of failure of a given device, and

does not necessarily represent the life of a product.

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