Yaskawa Large Capacity Sigma II Series - Manual (Page 52)

2.4 I/O Signals
2-25
2
Note: 1. The functions allocated to /S-ON, /P-CON. P-OT, N-OT, /ALM-RST, /P-CL, and /N-CL
input signals can be changed via parameters. Refer to 4.3.3 Input Circuit Signal Alloca-
tion.
2. Pin numbers in parenthesis () indicate signal grounds.
3. The voltage input range for speed and torque references is a maximum of ±12 V.
„ Output Signals
Speed V-REF 5 (6) Speed reference speed input: ±2 to ±10 V/rated motor speed (Input gain can be modified
using a parameter.) 4.2.1
Torque T-REF 9
(10)
Torque reference input: ±1 to ±10 V/rated motor torque (Input gain can be modified using a
parameter.) 4.2.7
Posi-
tion
Refer-
ence PULS
/PULS
SIGN
/SIGN 7
8
11
12
Reference pulse input
Line-driver
Open-collector Input mode
• Sign + pulse train
• CCW/CW pulse
• Two-phase pulse (90
° phase
differential)
4.2.2
CLR
/CLR 15
14 Error counter clear: Clears the error counter during position control. 4.2.2
PL1
PL2
PL3 3
13
18
+12-V pull-up power supply when PULS, SIGN and CLR reference signals are open-collec-
tor outputs (+12-V power supply is built into the SERVOPACK). 4.2.2
Table 2.3 Input Signal Names and Functions (cont’d)
Single Name Pin
No.
Functions Refer-
ence
Table 2.4 Output Signal Names and Functions
Signal Name Pin No. Functions Refer-
ence
Com-
mon ALM+
ALM- 31
32 Servo alarm: Turns OFF when an error is detected. 4.5.1
/TGON+
/TGON- 27
28 Detection during servomotor rotation: Detects whether the servomotor is rotating at a
speed higher than the motor speed setting. Motor speed detection can be set via param-
eter. 4.5.5
/S-RDY+
/S-RDY- 29
30 Servo ready: ON if there is no servo alarm when the control/main circuit power supply
is turned ON. 4.5.6
PAO
/PAO
PBO
/PBO
PCO
/PCO 33 (1)
34
35
36
19
20
Phase-A signal
Phase-B signal
Phase-C signal Converted two-phase pulse (phase A and B) encoder output
signal and origin pulse (phase C) signal: RS-422 or the equiva-
lent 4.2.3
PSO
/PSO 48
49 Phase-S signal With an absolute encoder: Outputs serial data corresponding to
the number of revolutions (RS-422 or equivalent) 4.7.5
ALO1
ALO2
ALO3 37
38
39 (1)
Alarm code output: Outputs 3-bit alarm codes.
Open-collector: 30 V and 20 mA rating maximum 4.5.1
FG Shell Connected to frame ground if the shield wire of the I/O signal cable is connected to the
connector shell. −
Speed /V-CMP+
/V-CMP-
25
26 Speed coincidence (output in Speed Control Mode): Detects whether the motor speed
is within the setting range and if it matches the reference speed value. 4.5.4