Parker CM2904, Инструкция

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CM2904 Instruction Book © 2009 - 2022 Parker-Hannifin Corporation Page 17 of 51
Hardware Specifications
Output descriptions
The following table provides specific details for this frequency input type:
Table 7: Frequency input specifications
Element Min Nom Max Unit
Count 2
Input voltage range -Vbat Vbat V
Pull-up resistance 2,8 kΩ
Pull-up voltage 0,72 *Vbat
Active low voltage 4,04 4,15 V
Cuttoff frequency 8 kHz
Frequency range 1 4000 Hz
Over-voltage 36 V
Resolution 0,5 % of
reading
5.3. Output descriptions
The following sections provide detailed descriptions for each output pin-type. Refer also
to previous section 5.1 for I/O –list.
5.3.1. PWM Outputs
In CM2904 these are High side -type of outputs with following features:
•
Outputs can be used to control different types of loads:
o
ON/OFF type solenoids
o
Current feedback to µC ADC
o
Signaling light bulps / LED’s (Open load detection option not
in use)
o
Resistive loads (Open load detection option not in use)
• Open load detection is population option
Table 8 provides specific details for this high side output type:
Table 8: PWM output specifications
Element Min Nom Max Unit
Count 4
Switchable voltage range Bat+ - 1,5 Bat+ V
Output current 2 A
Over-voltage 40 V
Current sense Amp range 0 5 A
Current sense resolution 1,25 mA
Current sense accuracy 50 mA
PWM frequency 5 200 Hz
PWM resolution 1 Hz
Inductive pulse protection YES
Short circuit protection THERMAL
Digital feedback YES