Altitude Operating Conditions

The characteristics in the table below apply to the module BMX DDI 1604T for use at altitude up to 2000 m (6560 ft). When the module operates above 2000 m (6560 ft), apply additional derating.

For detailed information, refer to chapter Operating and Storage Conditions.

General Characteristics

This table presents the general characteristics for the BMX DDI 1604T module:

Module type

125 VDC positive logic inputs

Operating temperature

-25...70 °C (-13...158 °F)

Temperature derating

Apply the temperature derating curve (see the graph below the table).

Nominal input values

Voltage

125 VDC

Current

2.4 mA

Threshold input values

At 1

Voltage

≥ 88 VDC

Current

> 2 mA (for U ≥ 88 V)

At 0

Voltage

36 VDC

Current

< 0.5 mA

Sensor supply (including ripple for standard module)

100...150 V (156 V including ripple)

Input impedance

At nominal U

50 kΩ

Response time

Typical

5 ms

Maximum

9 ms

Reliability

MTBF for continuous operation in hours at ambient temperature 30 °C (86 °F)

888 402

Reverse polarity

Protected

Fuse type

Internal

None

External

Fast blow fuse of 0.5 A

Dielectric strength

2500 VDC for 1 min.

Resistance of insulation

>10 MΩ (below 500 VDC)

Type of input

Current sink

Paralleling of inputs

Yes

Sensor voltage: monitoring threshold

I/O LED off

> 100 VDC

I/O LED on

< 80 VDC

Sensor voltage: monitoring response time at 125 VDC (-20% ... +20%)

On appearance

8 ms < T < 30 ms

On disappearance

1 ms < T < 5 ms

Power consumption 3.3 V

Typical

76 mA

Maximum

107 mA

Sensor supply consumption

4-channel at 70°C

Typical

1.85 W

Maximum

2.85 W

Sensor supply consumption

8-channel at 60°C

Typical

3.07 W

Maximum

4.61 W

Sensor supply consumption

12-channel at 50°C

Typical

4.29 W

Maximum

6.37 W

Sensor supply consumption

16-channel at -25...40°C

Typical

5.51 W

Maximum

8.13 W

Power dissipation

3.2 W max. at 70 °C

5.0 W max. at 60 °C

6.7 W max. at 50 °C

8.5 W max. at 40 °C

Input operating voltage range

88...150 VDC

Maximum input voltage

156 VDC (including ripple)

The following graph shows the temperature derating of BMX DDI 1604T.

NOTE: For the BMX DDI 1604T, the maximum value of the sensor power supply must not exceed 150 V when operated at 70 °C (158 °F).