Product data

104
M-Module Mezzanine I/O
MEN M-Module Mezzanine I/O
M72 – Motion Counter
■ 4 independent cascadable 32-bit counters
■ 2 comparators per counter
■ Quadrature incremental encoder interface
■ Pulse width/frequency measurement
■ Multimode event generation
■ RS422 or TTL or 24V
■ Optical isolation
■ Customized counter modes via FPGA
Four Independent Counters
■ 32-bit up/down counter
■ Two 32-bit comparators
■ One 32-bit preload register
■ Clock frequency 40MHz
Counter Modes
■ Single count
■ 1x quadrature, 2x quadrature, 4x quadrature
■ Frequency measurement
■ Pulse width "high", pulse width "low"
■ Period measurement, timer
Input
■ 3 inputs for each counter
■ RS422, TTL or 24V input
■ Timing characteristics for the different
modes:
■■ Single count: t high > 200ns; t low > 200ns
■■ Quadrature: time between two active edges
(t edges > 400ns)
■■ Frequency measurement: gating time 10ms,
< 2.5MHz
■■ Pulse width: t high or t low > 15µs
■■ Period: t high or t low > 15µs, internal
frequency 2.5MHz
■■ Synchronization of input signals with
on-board clock (40MHz)
■ Input debouncing time: 100ns
■ RS422 input:
■■ In accordance with the standards:
EIA Standard RS-422-A
or CCITT V.11/X.27 or DIN 66 259, part 3
■ TTL input:
■■ Uin < 0.5V = "low"
■■ Uin > 2.2V = "high"
■■ Uin max. = 12V
■■ Max. input current: ±5mA
■ 24V input:
■■ Uin < 1V = "low"
■■ Uin > 10V = "high"
■■ Uin max. = 30V
■■ Max. input current: ±10mA
■■ Max. frequency measurement: 500kHz
Output
■ 4 TTL outputs (optically isolated)
■ Output current:
■■ High current: 10mA
■■ Low current: 15mA
Peripheral Connections
■ Via front panel on a shielded 44-pin HD-Sub
receptacle connector
M-Module Characteristics
■ A08, D16, INTA, IDENT
Electrical Specifications
■ Isolation voltage: 500V DC
■ Supply voltage/power consumption:
+5V (4.85V..5.25V), 550mA
■ MTBF: 70,000h @ 50°C
Mechanical Specifications
■ Dimensions: conforming to
M-Module Standard
■ Weight: 100g
Environmental Specifications
■ Temperature range (operation):
■■ 0..+60°C
■■ Industrial temperature range on request
■■ Airflow: min. 10m
3
/h
■ Temperature range (storage): -40..+85°C
■ Relative humidity (operation):
max. 95% non-condensing
■ Relative humidity (storage):
max. 95% non-condensing
■ Altitude: -300m to + 3,000m
■ Shock: 15g/0.33ms, 6g/6ms
■ Vibration: 1g/5..2,000Hz
Safety
■ PCB manufactured with a flammability rating
of 94V-0 by UL recognized manufacturers
EMC
■ Tested according to EN 55022 / 1999-05
(radio disturbance) and EN 55024 / 1999-05
(immunity) with regard to CE conformity
Software Support
■ MEN Driver Interface System
(MDIS for Windows, Linux, VxWorks, QNX,
RTX, OS-9)