Siemens ET 200SP Operating Instructions Manual page 49

Transmission settings - TeleControl Basic
● Connection establishment delay
Basic value for the wait time until the next connection establishment following an
unsuccessful attempt to establish a connection. After every 3 attempts, the basic value is
doubled up to a maximum of 900 s.
Permitted range: 10 ... 300. Default setting: 10
Example: The basic value 20 results in the following wait times: 3 x 20 s, 3 x 40 s, 3 x
80 s etc. up to max. 3 x 900 s.
● Send monitoring time
Time (seconds) for the arrival of the acknowledgment from the communications partner
(Telecontrol server) after sending spontaneous frames. The time is started after sending
an unsolicited frame. If no acknowledgement has been received from the partner when
the connection monitoring time elapses, the frame is repeated up to three times. After
three unsuccessful attempts, the connection is terminated and re-established.
Permitted range: 1 ... 65535. Default setting: 5
● Key exchange interval
Here, you enter the interval in hours after which the key is exchanged again between the
CP and the communications partner (TCSB V3). The key is a security function of the
telecontrol protocol used by the CP and TCSB V3.
Permitted range: 0 ... 65535. Default setting: 8
If you enter 0 (zero), the function is disabled.
Transmission settings - DNP3
You will find information on the permitted ranges of the functions and defaults in the tooltips
of STEP 7.
● Disturbance bit
The disturbance bit can be used as bit 1.6 (IIN1.6) of the "Internal Indication Bytes" to
indicate to the master when the CPU is in STOP mode.
● Max. time between Select and Operate
● Frame repetitions
● Connection confirmation
● Connection monitoring time
● Transfer mode "Unsolicited"
● Max. number of unsolicited frames
● Monitoring time for unsolicited frames
CP 1542SP-1, CP 1542SP-1 IRC, CP 1543SP-1
Operating Instructions, 01/2017, C79000-G8976-C426-03
4.5 Telecontrol communication (CP 1542SP-1 IRC)
Configuration and operation
49