Technical Data - Sm 326; Di 8 X Namur - Siemens S7-300 Installation And Operating Manual

Digital modules
8.4 SM 326; DI 8 x NAMUR
8.4.9

Technical data - SM 326; DI 8 x NAMUR

Overview
Dimensions and Weight
Dimensions W x H x D (mm)
Weight
Module-Specific Specifications
Number of inputs


Assigned address area


Cable length


Front connectors
Ignition protection type
Test number KEMA
Maximum achievable Safety Integrity Level in
safety mode



Fail-safe performance characteristics


Voltages, Currents, Potentials
Rated supply voltage of the electronic system
and sensors L +


Number of simultaneously controllable inputs


124
Single-channel
Dual-channel
In the I/O input area
In the I/O output area
Shielded
Unshielded
According to IEC 61508
According to EN 954-1
According to ISO 13849:2006
low demand mode (average probability of
failure on demand)
high demand / continuous mode
(probability of a dangerous failure per hour)
Reverse polarity protection
Power failure ride-through
Horizontal installation up to 60 °C
Vertical installation up to 40 °C
Technical data
80 x 125 x 120
Approx. 482 g
8
4
6 bytes
4 bytes
200 m, maximum
100 m, maximum
40-pin
II 3 (2) G Ex nA [ib] IIC T4 to EN 60079-11,
EN 60079-0, EN 60079-15
99 ATEX 2671 X
Single-channel
SIL 2
Category 3
PLd
SIL 2
< 1.00E-04
< 1.00E-08
24 V DC
Yes
5 ms
8
8
Installation and Operating Manual, 01/2010, A5E00085586-10
Dual-channel
SIL 3
Category 4
PLe
SIL 3
< 1.00E-05
< 1.00E-09
Fail-safe signal modules