SI-Safety Installation & Operating Manual
31
Issue Number: 1
S
Devi
Te
sa
In
SI-Safe
M
Te
SI-
S
Enc
oder
Va
Enc
oder
Am
endment
Index
3.3.1
Single pole switching output without cross-fault
External contactors can be used for activation of multi phase applications, and/or when
higher current levels are required. With regard to single pole activation without external
testing, the jamming of one or more external contacts is not detected by the SI-Safety
module.
This output is safe when tested externally.
Figure 3-14 Single pole switching P output without external testing
3.3.2
Single-pin switching Output with Frequency
Figure 3-15 Single-Pin switching P-Output with Unidrive M
The STO output from the SI-Safety Module can be connected directly to the SAFE
TORQUE OFF (terminal 31) of a Unidrive M.
The following example circuit is
NOT
suitable for safety applications!
WARNING
I/O interface
SBC1
SBC2
STO
L+
L-
Brake
control
I/O interface
SBC1
SBC2
STO
Safe Torque Off
Unidrive M
Summary of Contents for unidrive m
Page 88: ...0478 0139 01 ...