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AC500 -XC – PLC OPER ATING IN EXTREME CONDITIONS 179

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AC500-XC
Technical data

AC500 Condition Monitoring CMS: FM502-CMS-XC
The FM502-CMS-XC function module offers precision and dynamic flexibility for customized solutions
in condition monitoring, precise measurement or fast data logging applications. It has 16 fast, precise
and synchronized analog inputs with 50k Samples/s (SPS), 24bit ADC resolution, completed with
encoder inputs (incremental or absolute) with counter and additional DI and DC inputs/outputs on-
board. It is easily configured using the Automation Builder software and the special libraries. Overall it
has 12 different operation modes. One FM502 function module can be placed on the right side of
PM592-ETH-XC CPU with a special function module terminal base TF5x1, to interface directly to the
CPU. While long measurements can be flexibly configured, started and stopped, all inputs are available
in the I/O Image of CPU for immediate use (measurement, protection, control, ...)

Type FM502-CMS-XC
Data storage
Fast user data memory of FM502 128 MB (ca. 33 million Samples: e.g 40 s record length on 16 channels at 50k SPS or 5.8 h
record lenght on 16 channels at 100 SPS)
File Format delivered to PM592 flash WAV (compact binary) per channel, all channels in one *.zip w. time stamp
Analog inputs
Number of channels 16 (synchronous sampled)
Resolution 24 bit ADC, stored in DINT in WAV file (4byte per value)
Accurracy at +25 °C < +/- 0.1 %
Accurracy over operating temperature and vibration < +/- 0.5 % 05
Sample rate / Bandwidth (High, 0 dB) 50k SPS / 20 kHz to 100 SPS / 40 Hz (digitally downsampled, selectable per channel)
Indication of the input signal One bicolor LED per channel for configuration, measurement status, error messages
Input option: IEPE (with Sensor supply current) + - 10 V
Bandwidth low (- 3 dB) digital < 0.1 Hz digital < 0.1 Hz or DC (selectable)
Pass band high (- 3 dB) analog > 90 kHz, digital > 24.5 kHz
Stop band high (> - 100 dB) analog > 1 MHz, digital > 27.5 kHz
Dynamic Range (SFDR) > 100 dB
SINAD (300 Hz/1 kHz sine, 50 k SPS) 0dB from full scale < -90 dB < - 95 dB
IEPE Current Source per channel Typ. 4.2 mA (+/- 7 % over temperature) (n.a.)
Resistance AI- to M (ground) Typ ~ 27Ohm (PTC)
Channel input impedance (AI+/AI-):
< 1 kHz > 1 MOhm > 2 MOhm
5 kHz > 100 kOhm > 40 kOhm
10 kHz > 60 kOhm > 25 kOhm
20 kHz > 40 kOhm > 8 kOhm
Error detection Short circuit, open wire
Max. cable length, shielded (depending on sensor) 100 m
Digital inputs/outputs
24 V DC, dedicated inputs/outputs can be used for specific counting functions.
All unused inputs/outputs can be used as normal input/output with standard
specification.
Channels and types 2 DI + 2 DC (configurable inputs/outputs); Type 1, LED indication
Input options Catch/Touch operation, counter value stored in separate variable on external event (rising
or falling)
Set to preset counter register with predefined value
Set to reset counter register
End value output Output set when predefined value is reached
Reference point initialization (RPI) input for relative 
encoder initialization
Input current p. channel @ V DC
24 V DC Typically 5 mA
5 V DC > 1 mA
15 V DC > 5 mA
30 V DC < 8 mA