7.1 Setting User Constants
Encoder Cable Length
3m
(9.84 ft)
5m
(16.40 ft)
10m
(32.81 ft)
15m
(49.21 ft)
20m
(65.62 ft)
Incremental Encoder
12—bit Absolute Encoder
52500
-
54000 55500
15—bit Absolute Encoder 55000 57000
• Allowable setting range: 0 to 100 (0: no compensation)
■ Cn-0038: Changing PG Power Supply Voltage
• The encoder power supply voltage must be 4.75 to 5.25 V at the encoder input section.
Change the power supply voltage based on factors like the length of the encoder cable and
use the following values as guidelines for standard cables.
Note Faulty operation or damage can result from setting the value too high or too low.
The allowable setting range is 52000 to 58000 [x 0.1 my].
7.1.7 Memory Switches
The settings and functions of the memory switches are described below.
■ Cn-0001 Bit 0: SV_ON Command Mask
• The SV_ON command is disabled when this bit is set to 1 (main circuit operating status).
■ Cn-0001 Bit 1: SENS_ON Command Mask
• The SENS_ON command is disabled when this bit is set to 1 (encoder power ON status).
■ Cn-0001 Bit 2: P-OT Mask
• The P-OT signal is disabled when this bit is set to 1 (P-OT input OFF status).
■ Cn-0001 Bit 3: N-OT Mask
• The N-OT signal is disabled when this bit is set to 1 (N-OT input OFF status).
■ Cn-0001 Bit 6: Base Block Stopping Method
• Sets whether to use the dynamic brake or coasting to stop the motor when the main circuit
is not operating (base block).
• Motor coasts to a stop when this bit is set to 1.
■ Cn-0001 Bit 7: Operation After Dynamic Brake (DB) Stop
• Sets whether to continue the dynamic brake after a dynamic brake stop.
• The brake is continued when this bit is set to 1.
■ Cn-0001 Bit 8: Overtravel (OT) Stopping Method
• Sets how to stop a motor when overtravel occurs.
OT occurs at forward/reverse drive (overtravel) input and soft limit.
7 -9
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