Wieland SP-SDIO - SP-SDI Input;Output Expansion Module; Description

Product description
Wieland Electric GmbH | BA000966 | 07/2016 (Rev. C)
31
SP-SDI input/output expansion module
888397323
Description
888398859
The SP-SDI module is an input expansion with eight safe inputs. If fulfills the following tasks:
• Monitoring of connected sensors
For further information:
Connecting devices [ch. 4, p. 37]
• Forwarding of input information to the COMPACT module
Module SP-SDI cannot be operated alone; it always requires an SP-COP COMPACT module
(see "samosPLAN5+" programming software).
It is possible to use multiple SP-SDI modules simultaneously (see
System setup [ch. 3.2, p.
15] ). The voltage of the internal logic and the test outputs is supplied via the program remo-
vable storage and the internal SBUS+.
ATTENTION
Limited short-circuit detection in the input circuits
• One SP-SDI has two test signal generators. One test signal generator is responsible for
the odd-numbered test outputs (X1, X3, X5, and X7), while the other is responsible for
the even-numbered test outputs (X2, X4, X6, and X8).
• Short-circuits between test signal generators of an SP-SDI or SP-SDIO expansion module
are detected. Between different modules the short circuit detection is then only ensured
if the test gaps of the test signal generators are < 4 ms, the test periods ≥ 200 ms and no
more than 9 modules (SP-SDI / SP-SDIO) have been plugged in. Short-circuits after 24
V
DC (after High) at inputs that are connected to test outputs are detected independently
of the length of the test gaps.
• Please ensure that the odd-numbered test outputs (X1, X3, X5, and X7) at the SP-SDI are
connected to a common test signal generator and that the even-numbered test outputs
(X2, X4, X6, and X8) are connected to another common test signal generator. Therefore,
short-circuits between the odd-numbered test outputs (X1, X3, X5, and X7) cannot be de-
tected. The same applies accordingly to the even-numbered test outputs (X2, X4, X6, and
X8).
Make note of this during wiring (e.g. through separate routing or protected lines)!
3.9
3.9.1