Harmonic Drive MMA Series, Manual, Page: 15 / 62

1-3 Model
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1-3 Model
The model names for the MMA series motors and how to read the symbols are explained below.
Model example:
MMA B 09 A 200 - 16 S17b A - C Y - SP
(1) (2) (3) (4) (5) - (6) (7) (8) - (9) (10) - (11)
(1) Model: MMA series AC servo motor
(2) Motor version symbol
A Model No. 21A
B Model Nos. 09, 12, 15
(3) Model Nos.: 09, 12, 15, 21A
(4) Brake
A Without brake
B With brake
(5) Applicable servo amplifier input voltage
200 200 V
(6) Encoder format
16 Conforming to Mitsubishi format, transmission rate: 2.5 Mbps, 1-on-1 connection
(7) Encoder type, resolution
S17b 17-bit multi-turn absolute encoder, 131072 pulses/revolution
(8) Encoder phase angle: Phase difference between the voltage induced in motor phase U and
absolute origin
A 0 degree
(9) Connector specification
C With standard connector
N Without connector
(10) Option symbol
Y Cable taken out from the side
(It is not available for model No. 21A.)
(11) Special specification
No description Standard product
SP Special specification product