9. SPECIFICATIONS
9－22
9.1.6.4 Serial Output (When the ABS-E.S1 Absolute Sensor Is Used)
One of the two position signal outputs can be selected using the remote operator. When FUNC5 bit 7 on
Page 6 in Mode 2 of the remote operator is set at 0, start-stop synchronization is selected.
When bit 6 is set at 1, Manchester coding synchronization is selected. For details, refer to Func5 in "7.2.3
Parameter List". The specifications are as follows:
(1) Serial output specifications
Table 9-4 (1) Start-stop Synchronization Output (9600 bps) Specifications
Transmission system Start-stop synchronization
Baud rate 9600 bps
Number of transfer frames 6 frames (11 bits/frame)
Transfer format See Fig. 9-9-1.
Transmission error check (1 bit) even parity
Transfer time 6.9 ms (Typ.)
Transfer cycle 9.2 ms (See Fig. 9-9-3 (1).)
Incremental direction Increased at forward revolution
Table 9-4 (2) Manchester Coding Synchronization Output (1 Mbps) Specifications
Transmission system Manchester coding synchronization
Baud rate 2 Mbps
Number of transfer frames 2 frames (25 bits/frame)
Transfer format See Fig. 9-9-2.
Transmission error check (3 bits) CRC error check
Transfer time 25 µs (Typ.)
Transfer cycle 42 µs±2 µs(See Fig. 9-9-3 (2).)
Incremental direction Increase at forward revolution
Specifications for the ABS-E.S1 Wiring-saved Absolute Sensor are as follows:
One revolution: 32768 divisions (15 bits), Mutli-revolution: 65536 rotations (16 bits)
When combined with the PY2 Servo Amplifier, however, the product will be operated in the
following specifications because of the limited communication specifications:
One revolution: 32768 divisions (15 bits), Multi-revolution: 8192 rotations (13 bits)
When the product is used in the application requiring no multi-revolution data under the setting
of Func6 Bit5 = 1 (Mode2 Page7) without battery connected (when used in one-revolution
mode);
• Even if one revolution mode is set, error or warning bit may be set at the data output from
the serial position signal (CM1-9, 10 pins). This causes no problem in the operation of the
Servo system. When one revolution mode is set, make the upper system exclude these bits.
• When one revolution mode is set, multi-revolution data may change suddenly. Do not use
the multi-revolution data at the upper system.
Forward revolution means counterclockwise rotation as viewed from the motor shaft.
To Next Page
Loading...
