1、 Sensor input parameters
Channel: 2 independent differential pulse input channels
Adaptive sensors: eddy current PR6422~PR6425+CON0 preamplifier; PR9376, PR6453 pulse sensors
Input frequency: 0-20 kHz
Speed range: software configurable, maximum 65535 RPM
Input impedance:>100 k Ω
Input voltage range: 0~± 27.3 V DC, maximum allowable input 30V DC
Sensor power supply: Each channel independently buffers sensor power supply; Rated 20mA, maximum 35mA
Trigger level: adjustable automatically/manually; Automatically track minimum input amplitude of 2V
2、 Measurement mode
Single channel speed measurement (1-255 tooth trigger wheel)
Static/zero speed detection, pulse interval 1-1700s can be set
Keyphase pulse acquisition (maximum 255 markings per revolution, with phase relationship)
Dual channel combination: steering judgment, monitoring of speed difference between two axes, redundant speed measurement
Response time: typical 26ms; alarm delay 0~25.5s software configuration
3、 Output specifications
Analog current output (one channel per channel, electrically isolated)
0/4～20mA， Open circuit and short circuit protection
Maximum load of 500 Ω
Resolution 16 bits, accuracy ± 1% of full scale
TTL pulse output (2 channels, corresponding to two channels)
0~+5V square wave pulse, same frequency as input pulse, load>10k Ω
4-channel optocoupler isolation alarm relay output
2 independent alarm thresholds per channel (high/low limit, can be set to latch)
Maximum 48V DC/100mA
External control inputs: alarm reset, alarm disable, mode selection
4、 Communication interface
RS232 (Front Panel Mini DIN): Local configuration, parameter reading
RS485 bus: connected to MMS6850 diagnostic system; Up to 31 modules per bus
Bus protocol: MMS6000 dedicated bus
5、 Power supply
Redundant dual power input: 18~31.2 V DC (nominal 24V DC)
Power consumption: maximum 6W; maximum 250mA at 24V
Dual power supply with diode isolation, either power supply can work
6、 Environment and Machinery
Working temperature: 0 ℃~+65 ℃
Storage and transportation temperature: -30 ℃~+85 ℃
Relative humidity: 5~95%, no condensation
Protection: Module body IP00; Front panel IP21
Specification: European Euro card DIN41494, 6TE, 3HE; Size 100 × 160 × 30mm
Net weight: approximately 320g, gross weight approximately 450g
Vibration and impact comply with IEC68-2; EMC EN50081-1 / EN50082-2