B7AH-R6D58 datasheet(69/121 Pages) OMRON

69 / 121 page

B7AH

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

Transmission circuit (+V, –V): 12 to 24 VDC (10.8 to 26.4 VDC) (See note 1.)

Logic circuit (VDD, VSS):

5 VDC

±10% (4.5 to 5.5 VDC)

Insulation resistance

20 M

Ω min. (250 V) between each pin and external parts

Dielectric strength

250 VAC, 50/60 Hz, 1 min between each pin 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 or condensation)

Storage:

–25 to 65

°C (with no icing or condensation)

Ambient humidity

Operating: 35% to 85%

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. Refer to

Power Supply on page 68 for details.

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 B7AH to read an input signal.

4. This is the value for the inductive noise on the transmission line measured using a noise tester. For high-speed models, it is the

value without the shield line connected to ground.

I/O Specifications

Input

Item

B7AH-T6D3, B7AH-T6D8

Input configuration

CMOS input

Input logic

Active high

I/O delay time

B7AH-T6D3: Normal speed (typical: 19.2 ms); B7AH-T6D8: High speed (typical: 3 ms)

Current consumption (see note)

Logic circuit: 20 mA max.; Transmission circuit: 30 mA max.

Input

Input voltage

0 to VDD (V)

Input current

0.04 to 0.06 mA/point

Minimum input time

B7AH-T6D3: 16 ms

B7AH-T6D8: 2.4 ms

ON/OFF

threshold

ON voltage

VDD(V)

× 0.7 min.

(3.15 V min. for VDD = 4.5 V; 3.5 V min. for VDD = 5 V; 3.85 V min. for VDD = 5.5 V)

OFF voltage

VDD (V)

× 0.3 min.

(1.35 V min. for VDD = 4.5 V; 1.5 V min. for VDD = 5 V; 1.65 V min. for VDD = 5.5 V)

Weight

Approx. 10 g

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