Technical specifications
A.4 Digital signal modules
Easy Book
Manual, 05/2009, A5E02486774-01
111
Sample SM 1223 combination digital input/output signal modules
General SM 1223
DI 16x24 VDC, DQ 16xRelay
SM 1223
DI 16x24 VDC, DQ16x24 VDC
Number and type of inputs
(Number of inputs on simultaneously)
16 sink/source (IEC Type 1 sink)
(16)
16 sink/source (IEC Type 1 sink)
(16)
Number and type of outputs
(Number of inputs on simultaneously)
16 relay, dry contact
(16)
16 solid state - MOSFET
(16)
Dimensions (W x H x D) 70 x 100 x 75 (mm) 70 x 100 x 75 (mm)
Weight 350 grams 310 grams
Power dissipation 10 W 4.5 W
Current consumption (SM Bus) 180 mA 185 mA
Current consumption (24 VDC) 4 mA / Input used
11 mA / Relay coil used
4 mA / Input used
Digital inputs Description
Number and type of inputs 16 sink/source (IEC Type 1 sink)
Rated voltage 24 VDC at 4 mA, nominal
Continuous permissible voltage 30 VDC, max.
Surge voltage 35 VDC for 0.5 sec.
Logic 1 signal (min.)
Logic 0 signal (max.)
15 VDC at 2.5 mA
5 VDC at 1 mA
Isolation (field side to logic)
Isolation groups
500 VAC for 1 minute
2
Filter times (ms) 0.2, 0.4, 0.8, 1.6, 3.2, 6.4, and 12.8 ms, selectable in groups of 4
Cable length (meters) 500 shielded, 300 unshielded
Digital outputs SM 1223
DI 16x24 VDC, DQ 16xRelay
SM 1223
DI 16x24 VDC, DQ16x24 VDC
Number and type of outputs
(Number of outputs on simultaneously)
16 relay, dry contact
(16)
16 solid state - MOSFET
(16)
Voltage range 5 to 30 VDC or 5 to 250 VAC 20.4 to 28.8 VDC
Logic 1 signal at max. current
Logic 0 signal with 10K Ω load
N/A 20 VDC min.
0.1 VDC max.
Current (max.) 2.0 A 0.5 A
Lamp load 30 W DC / 200 W AC 5 W
On state contact resistance 0.2 Ω max. when new 0.6 Ω max.
Leakage current per point N/A 10 μA max.
Surge current 7 A with contacts closed 8 A for 100 ms max.
Overload protection No No
Isolation (field side to logic) Coil to contact: 1500 VAC for 1
minute
Coil to logic: None
500 VAC for 1 minute
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