HIMA HIMatrix F3 DIO 8/8 01, Manual, Page: 26 / 52

4 Start-up F3 DIO 8/8 01
Page 26 of 52 HI 800 179 E Rev. 2.00
4 Start-up
To start up the remote I/O, it must be mounted, connected and configured in the programming
tool.
4.1 Installation and Mounting
The remote I/O is mounted on a 35 mm DIN rail such as described in the HIMatrix system
manual for compact systems.
When laying cables (long cables, in particular), take appropriate measures to avoid interference,
e.g., by separating the signal lines from the power lines.
When dimensioning the cables, ensure that their electrical properties have no negative impact
on the measuring circuit.
4.1.1 Connecting the Digital Inputs
Use the following terminals to connect the digital inputs:
Terminal Designation Function (inputs)
19 LS+ Sensor supply of the inputs 1...4
20 1 Digital input 1
21 2 Digital input 2
22 3 Digital input 3
23 4 Digital input 4
24 L- Ground
Terminal
Designation Function (inputs)
25 LS+ Sensor supply of the inputs 5...8
26 5 Digital input 5
27 6 Digital input 6
28 7 Digital input 7
29 8 Digital input 8
30 L- Ground
Table 17: Terminal Assignment for the Digital Inputs
4.1.1.1 Surges on Digital Inputs
Due to the short cycle time of the HIMatrix systems, a surge pulse as described in
EN 61000-4-5 can be read in to the digital inputs as a short-term high level.
The following measures ensure proper operation in environments where surges may occur:
1. Install shielded input wires
2. Program noise blanking in the user program. A signal must be present for at least two cycles
before it is evaluated. The fault reaction is triggered with a corresponding delay.
i
The measures specified above are not necessary if the plant design precludes surges from
occurring within the system.
In particular, the design must include protective measures with respect to overvoltage,
lightning, earth grounding and plant wiring in accordance with the relevant standards and the
instructions specified in the system manual (HI 800 141 E or HI 800 191 E).