B7AH-R6D58 datasheet(60/121 Pages) OMRON

60 / 121 page

B7AM-8

Specifications

Characteristics

General

Normal speed

High speed

Communications method

Unidirectional, time-division multiplex

Transmission distance (see note 1)

500 m max.

100 m max. (see note 2)

I/O delay time

Typical: 19.2 ms; 31 ms max.

Typical: 3 ms; 5 ms max.

Minimum input time (see note 3)

16 ms

2.4 ms

Operating voltage range

12 to 24 VDC (10.8 to 26.4 VDC) (see note 1)

Insulation resistance

100 M

Ω min. (500 V) between each terminal and external parts

Dielectric strength

1,000 VAC, 50/60 Hz for 1 min between each terminal and external parts

Noise immunity (see note 4)

Noise level: 1.5 kV; pulse width: 100 ns to 1

µs (on transmission line due to coupling)

Vibration resistance

10 to 55 Hz, 1.5-mm double amplitude

Shock resistance

300 m/s2

Ambient temperature

Operating: –10 to 55

°C (with no icing)

Storage:

–25 to 65

°C (with no icing)

Ambient humidity

Operating: 35% to 85% (with no condensation)

Note:

1. The transmission distance values stated in this table are possible if the Input or Output Link Terminal is connected to an independent

power supply. If a single power supply is connected to the Input or Output Link Terminal, the supply voltage must be 24 VDC

±10%,

in which case the transmission distance of a normal-speed model is 100 m maximum and that of a high-speed model is 50 m maxi-

mum.

2. A shielded transmission cable or a VCTF cable with a thickness of 0.75 mm2 minimum must be used for signal transmission. If the

VCTF cable is used, however, the transmission distance will be 10 m maximum regardless of whether or not independent power

supplies for the Input and the Output Link Terminals are used.

3. The minimum input time is required for the B7AM to read an input signal.

4. As for the high-speed model, these values are possible without grounding the shielded line.

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