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Siemens S7-1200 SM1223 Digital DI/DQ 8x120/250 V AC / 8xRLY 30 V DC, 250 V AC 2 A
SKU: 6ES7223-1QH32-0XB0
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Short Description
Pricing available on request
Description:
The SM 1223 is a digital I/O module featuring:
8 AC digital inputs (120/230 V AC).
8 relay outputs (2 A max per channel).
It’s ideal for interfacing with high-voltage field devices like pushbuttons, limit switches, and contactors, especially in building automation or industrial control panels.
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Specifications:
Electrical Characteristics:
Supply Voltage: 24 V DC (range: 20.4–28.8 V).
Backplane Bus Current: Max 120 mA.
Power Loss: Typical 7.5 W.
Digital Inputs:
Voltage Type: AC.
Rated Input Voltage: 120/230 V AC.
Input Delay: Selectable (0.2 ms to 12.8 ms).
Input Groups: 2 groups of 4.
Interrupt Capability: Yes.
Cable Length:
Shielded: 500 m.
Unshielded: 300 m.
Digital Outputs (Relay):
Rated Output Voltage:
DC: 5–30 V.
AC: 5–250 V.
Max Output Current: 2 A per channel.
Relay Life:
Mechanical: 10 million cycles.
Electrical: 100,000 cycles at rated load.
Switching Delay: Max 10 ms.
Cable Length:
Shielded: 150 m.
Unshielded: 150 m.
Short-Circuit Protection: External required.
Isolation & Protection:
Isolation Between Groups:
Inputs: 2 groups.
Outputs: 2 groups.
Isolation to Backplane Bus: 1500 V AC (1 min).
IP Rating: IP20.
Compliance & Approvals:
CE, UL, CSA, FM, KC, RCM, ATEX, Marine (DNV, LRS, BV, NK, RINA, CCS).
Environmental Product Declaration (EPD).
Total CO₂ eq: 123 kg.
Operation: 111 kg.