Summa Series Servodrive Product Manual
STO
Document Version: V1.01
(Dec, 2019)
© 2019 ESTUN Automation Co., Ltd. All right reserved.
11-6
Signal Specifications
The input specifications of the HWBB1 signal (CN6-3, -4) and HWBB2 signal (CN6-5, -6) are as
follows.
Item
Characteristics
Description
Internal Impedance
3.3 kΩ
-
Operating Voltage Range 24V±20%
V
H_min
= 17.6 V; V
L_max
= 4 V
The electrical characteristics of the EDM (CN6-7, -8) output signal are as follows:
Item
Characteristics Description
Maximum Allowable Voltage
35 VDC
-
Maximum Allowable Current
80 mA DC
-
Maximum ON Voltage Drop
1.0 V
Voltage between EDM+ and EDM- when
current is 80 mA
Maximum Delay Time
5 ms
Time from a change in HWBB1 or HWBB2
until a change in EDM