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9.9
Technical data
Safety characteristics
Safety function
Safe torque off (STO) according to DIN EN 61800-5-2
Protection rating
SIL 3 according to DIN EN 61800-5-2
1)
Category 4, PL e according to DIN EN ISO 13849-1
1)
Meets the requirements according to DIN EN 81-1, section
12.7.3 or DIN EN 81-2, section 12.4.1
1)
Meets the requirements according to DIN EN 81-20, section
5.9.2.5.4 d) or section 5.9.3.4.2 d)
1)
Probability of one dangerous failure per hour
(PFH)
3.11E-10 per hour
2)
Mean time to dangerous failure of each chan-
nel (MTTFd)
410 years
2)
Diagnostic coverage (DC)
high
Switch-off time (duration from switching off the
input signals to blocking the output stage)
< 50 ms
Minimum request rate for the STO function
Once an hour for at least 1,600 ms
Life cycle
20 years, then the device must be replaced by a new one
max. permissible time delay between the sig-
nals STO_A / STO_B
max. 120 ms
(on exceeding this, ZAdyn4C outputs an error message, see
chapter "Safe Torque Off (STO) Function / Notes on Opera-
tion")
1)
TUEV Rheinland conducted design pattern examination and certi
fi
cation for this. Copies of the test
certi
fi
cates can be requested from Ziehl-Abegg.
2)
assuming maximum device load for the entire life cycle
10
Serial communication
10.1
DCP (Drive Control & Position)
The DCP mode enables series control of the ZAdyn4C via an RS485 interface. The two-directional
series control conveys the control signals via a 2 or 3-wire connection cable. In general, the cables
X-IN and X-OUT are no longer required, which reduces the wiring outlay signi
fi
cantly.
10.1.1
Electrical connection
The connection is made via the interface X-DCP on the ZAdyn4C (see chapter "Electrical Installation /
DCP Interface (X-DCP)".
10.1.2
The various DCP protocols
DCP_01
The functional principle is identical to a conventional actuation via the control inputs (X-IN) and control
outputs (X-OUT). The elevator control system transmits the required control signals (e.g. controller
enable, direction of travel, speed, deceleration point) to the ZAdyn4C as command bits and receives
status messages in the form of status bits as return information from the ZAdyn4C (e.g. signals for
mechanical brakes, motor contactors, STO function, speed monitoring and general alarm).
DCP_03
The DCP_03 protocol is an expanded version of the DCP_01 protocol. As compared with the DCP_01
protocol, it has:
•
faster data transmission
•
a faster communication channel
•
Automatic compatibility checking between the software in the ZAdyn4C and the software in the
control system
Original operating instructions
ZAdyn4C
Serial communication
R-TBA12_01-GB 2104 Index 012
Part.-No. 00163371-GB
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