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EM-243-SPF is a positioning driver to be used with DC-motors. The solid state power stage operates with high efficiency and as its realized with FET-transistors. Its literally everlasting compared to relay solutions. Feedback is done with one or two line pulse signal. Although position feedback can be done with one pulse line it is always preferred and more secure to do it with two 0°/90° pulse lines. This driver includes an analog control with three signal ranges, 0-5,5V, 0-11V or 4-20mA. Input is freely scalable inside the range. The max. electrical accuracy of the driver and feedback is 0.2% which is adequate for most actuator positioning applications.
The settings and adjustments are done with parameters as in all new generation Electromen products. Included in the parameters is also the learn routine which will help to determine the full movement range fast and easily. Additively the movement range can be modified from both ends with SW-limit parameters. Possible cumulating pulse count errors can be avoided with manually or automatically triggerable home drive. Current limits and driving speeds can be set individually for both directions. Driver includes also many other dynamic adjustment features like parameter for load compensation, dead-zone setting (positioning window), start and stop ramps for smooth direction change and braking zone for well operating positioning.
The parameter setting and status monitoring is done with EM-236A Interface Unit. With EM-236A the right parameters can also be copied easily to other driver units. The on-board LED-light indicates the possible fault situations with blinking codes. If needed, the fault alarm can be also given out trough combiport. This port can be set as "position OK." output or it can work as an analog position signal output. Additively it can work also as disable input. Device is EMC tested for industrial and household environment and operating temperature range is quite wide. There are also same housing options available for EM-243-SPF driver card as for the standard EM-243.

EM-243-SPFTECHNICAL DATA EM-243-SPF prog. v1.8

Supply voltage 12-48V ( 10-58V )
Shut down voltage 8V
Power up voltage 9V
Motor current cont. 40A, mom. 60A ( TaMotor current cont. 25A, mom. 40A ( TaCurrent limit 1-100A ( in start max. 150A 1s )
Overtemp. limit 100°C
Fan out activation 50°C
PWM frequency 16kHz /2kHz
Pulse sampling rate 0.2ms
Input freq. of pulse lines max 700Hz
Control input ranges (position) 0-5,5V / 0-11V / 4-20mA
Positioning potentiometer 10k recom. 22k max.
Input resistor for mA-signal 250ohm (socket on board)
Position out. signal range 0-5V or 0.5 - 4.5V, 0V for FAULT
Digital input levels high =4-30V, low=0-1V
Digital input impedances typ. 47kohm
Limit-FW / -BW and pulse inputs imp. typ 10kohm
- Fault output, NPN, open coll. max 30V / 1A
- Disable -in ı Uin < 1V ( NPN )
- Indication out impedanceı 1kohm
Fan-output NPN open coll. max. 40V /1A
Brake output NPN open coll. max. 60V / 5A
Connectors for motor and supply max. 2.5mm² cable
Connectors for signals max. 1mm² cable
Operating temp( Ta ) -40...60°C
Dimensions 107x72x40mm
Weight 190g
EMC-tested for household and EN-55022B,
industrial environment (EMC) EN-61000-4-3, -4, -5, -6 passed

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