Star Micronics MP111MP-24G-A Print Head Specifications, Transistor’s turn off delay time td 2 ∝ s

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3.7 Print Head Specifications

(1)Basic Specifications

Item	Specifications

Supply voltage	24 VDC ± 2.4 V
Response frequency	Max. 900 Hz
Energized time	See below
Coil resistance	14.7 ± 0.4 Ω (includes cable resistance)
Peak current	1.0 A/solenoid (for 24 VDC, 375 ∝ s)
Timing	Energizing is begun at the fall of the output signal of timing signal 1.
	Energizing cycle shall be 2 pulses or more of timing signal 1.


				Typ.	Max.

		Peak current		1.0 A	1.1 A

		Condition		24 V	26.4 V
				375 ∝ s	340 ∝ s

Transistor’s turn off delay time (td): 2 ∝ s

Fig. 3-9 Current waveform

	(∝ s)
	415
Time	395
Energizing	375
Energizing
	355
	340
	21.6	22.8	24	25.2	26.4 (V)
			Voltage

Fig. 3-10 Head Energizing Time - Head Power Supply Voltage

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Contents MP111MP-24G-A MP115MP-24G-A Page Contents General Description Construction ConfigurationOther Principle of OperationMP111MP External view MP115MP External view Details of Character Dimentions General SpecificationsPrinting Specifications Paper spec. & Print area Paper SpecificationsMP111 Ink Ribbon SpecificationsMP115 CR Motor + CMN VH Connector SpecificationsConnector connections Half font Forward printing Print TimingPrinting Timing ChartRelease action Transistor’s turn off delay time td 2 ∝ s Print Head SpecificationsTR1 Number of character per line Dot/chara 13 Print duty specific wires 14 Current waveform of the motor CR Motor SpecificationsTR2 16 Drive circuit of paper feed motor example Paper Feed Motor SpecificationsMP115MP only Ribbon Shift Solenoid RS-SOL Specifications19 Circuit of timing signal 1 example Timing Signal Detector SpecificationsPaper-out Detector PE-sig Specifications Home Position Detector HP-sig SpecificationsDimension and Weight Ribbon Position Detector RS-sig Specifications MP115MP only24 MP111MP External dimension unit mm 25 MP115MP External dimension unit mm Reliability Specifications Setting the Ribbon Cartridge Removing the Paper Setting the PaperSetting the Paper SP2 InstallationInstallation space example unit mm Printer installation example unit mm Page Printer installation Operational Notes Power ON/OFF NoteOther Notes Carriage Motor Protection Method Against Mechanical Errors5 V Line Power Supply Capacity24 V Line Paper Guide Option OptionsDistributed by