Characteristics
Original instructions
About us
Altitude Operating Conditions
The characteristics in the tables below apply to the modules BMX AMO 0802 and BMX AMO 0802H for use at altitude up to 2000 m (6560 ft). When the modules operate above 2000 m (6560 ft), apply additional derating.
For detailed information, refer to chapter Operating and Storage Conditions.
General Characteristics
The general characteristics for the BMX AMO 0802 and BMX AMO 0802H modules are as follows:
Operating temperature
BMX AMO 0802
0...60 ºC (32...140 ºF)
BMX AMO 0802H
-25...70 ºC (-13...158 ºF)
Type of outputs
Non-isolated high level outputs with common point
Nature of outputs
Current
Number of channels
8
Digital/Analog converter resolution
16 bits
Output refresh time
4 ms
Power supply for outputs
by the module
Types of protection
Outputs protected to short circuits and permanent overloads
Isolation:
  • Between channels
Non-isolated
  • Between channels and bus
1400 VDC
  • Between channels and ground
1400 VDC
Measurement error for standard module:
  • At 25 °C (77 °F)
0.10% of FS(1)
  • Maximum in the temperature range 0...60 °C (32...140 °F)
0.25% of FS(1)
Measurement error for ruggedized:
  • At 25 °C (77 °F)
0.10% of FS(1)
  • Maximum in the temperature range
    -25...70 °C (-13...158 °F)
0.45% of FS(1)
Temperature drift
45 ppm/°C
Monotonicity
Yes
Common mode rejection (50/60 Hz)
80 dB
Crosstalk between channels DC and AC 50/60Hz
> 80 dB
Non linearity
0.1% of FS(1)
AC output ripple
2 mV rms on 50 Ω
Power consumption (3.3 V)
Typical
0.35 W
Maximum
0.48 W
Power consumption (24 V)
Typical
3.60 W
Maximum
3.90 W 
(1)
FS: Full Scale
Current Output
The BMX AMO 0802 and BMX AMO 0802H current outputs have the following characteristics:
Nominal variation range
0...20 mA, 4...20 mA
Available maximum current
21 mA
Analog resolution
0.74 µA
Load impedance
350 Ω maximum
Detection type
Open circuit(1)(2) 
(1)
The open circuit detection is physically detected by the module if the target current value is different from 0 mA. 
(2)
Open circuit detection is enabled with the Wiring CTRL parameter.
Response time of Outputs
The maximum delay between transmission of the output value on the PLC bus and its effective positioning on the terminal block is less than 5 ms:
NOTE: If nothing is connected on the BMX AMO 0802 analog module and the channels are configured in the range 4...20 mA, there is a detected I/O error as if a wire is broken.
For the 0...20 mA range, there is a detected I/O error as if a wire is broken only when the current is greater than 0 mA.
CAUTION
RISK OF INCORRECT DATA
If a signal wire is broken or disconnected, the last measured value is kept.
  • Ensure that this does not cause a hazardous situation.
  • Do not rely on the value reported. Check the input value at the sensor.
Failure to follow these instructions can result in injury or equipment damage.