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BRAND |
WOODWARD |
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Model |
5464-544 |
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Descripution |
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Four Channel Actuator Module ▽ 0-200MA ▽ Origin USA |
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▋Four Channel ACTUATOR MODULES
Module Description
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This Actuator Driver module receives digital information from the CPU and generates four proportional actuator-driver signals. These signals are proportional and their maximum range is 0 to 25 mAdc or 0 to 200 mAdc. Figure 1 is a block diagram of the four-channel Actuator Driver module. The system writes output values to dual-port memory through the VME-bus interface. The microcontroller scales the values using calibration constants stored in EEPROM, and schedules outputs to occur at the proper time. The microcontroller monitors the output voltage and current of each channel and alerts the system of any channel and load faults. The system can individually disable the current drivers. If a fault is detected which prevents the module from operating, by either the microcontroller or the system, the FAULT LED will illuminate. |
This module requires no calibration; an actuator may be replaced with a like actuator without any module or software adjustment. Figure 1—Four Channel Actuator Driver Module |
Module Specification
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Output Current Ranges |
0–25 mA, 0–200 mA |
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Resolution |
12 bits |
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Accuracy @ 25 °C |
0.1% of full scale |
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Drift |
150 ppm/°C |
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Maximum Actuator Resistance |
45 Ω @ 200 mA, 360 Ω @ 25 mA |
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Maximum Actuator Inductance |
1 H |
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Dither |
Tunable amplitude, 25 Hz square wave |
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Analog Driver Bandwidth |
50 Hz minimum |
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Load Fault Detection |
Monitors actuator impedance |
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Driver Fault Detection |
Interrupts actuator current if a driver fault is detected |
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Microcontroller Fault Detection |
Monitors software watchdog |
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System Fault Detection |
Interrupts actuator current if communication with the CPU is lost |
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Channel Shutdown |
Current in each channel can be individually interrupted |
Installation
The modules slide into card guides in the control’s chassis and plug into the motherboard. The modules are held in place by two screws, one at the top and one at the bottom of the front panel. Also at the top and bottom of the module are two handles which, when toggled (pushed outward), move the modules out just far enough for the boards to disengage the motherboard connectors.
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Learn More About Details ➩ Call/WhatsApp: 86-18020776792 ➩ Email: sales@amikon.cn



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