Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SM 1223, DI 8×120/230 V AC, DQ 8x relay |
| Digital inputs | 8 |
| Digital outputs | 8 relay outputs |
| Rated input voltage | 120/230 V AC |
| Rated supply voltage | 24 V |
| Supply voltage range | 20.4 V to 28.8 V |
| Resistive output capacity, max. | 2 A |
| Lamp-load capacity | 30 W with DC, 200 W with AC |
| Typical power loss | 7.5 W |
| Output delay with resistive load, max. | 10 ms for "0" to "1" and 10 ms for "1" to "0" |
| Backplane-bus separation | 1 500 V AC for 1 minute |
| Protection degree | IP20 |
Applications
- AC digital signal acquisition: The 8 digital inputs acquire 120/230 V AC signals, including signal 0 and signal 1 thresholds defined for the module.
- Relay output switching: The 8 relay outputs switch connected loads with resistive, lamp, or inductive load capacities defined for the module.
Key Features
- Digital I/O configuration: SM 1223 module with 8 digital inputs and 8 relay outputs; inputs and outputs are arranged in groups of 4.
- AC input signals: Rated input voltage is 120/230 V AC; signal 0 is 20 V AC at 1 mA, and signal 1 is 79 V AC at 2.5 mA.
- Relay output capacity: Relay outputs switch up to 2 A with a resistive load; lamp-load capacity is 30 W with DC and 200 W with AC.
- Supply and power loss: Rated supply voltage is 24 V, with a permissible range of 20.4 V to 28.8 V; typical power loss is 7.5 W.
- Diagnostics and isolation: Diagnostic alarm and input/output status LEDs are provided. Digital output channels have relay separation and 1 500 V AC separation from the backplane bus for 1 minute.
- Mounting and protection: Maximum quantity is 8 up to 40 °C in all mounting positions, horizontal installation, or vertical installation. Protection degree is IP20.
Frequently Asked Questions
1. How many digital I/O channels does 6ES7223-1QH32-0XB0 have?
It has 8 digital inputs and 8 relay outputs. The inputs and outputs are arranged in groups of 4.
2. What input voltage does the SM 1223 support?
The rated input voltage is 120/230 V AC. Signal 0 is 20 V AC at 1 mA, and signal 1 is 79 V AC at 2.5 mA.
3. What load can the relay outputs switch?
The outputs switch up to 2 A with a resistive load. Lamp-load capacity is 30 W with DC and 200 W with AC.
4. What supply voltage is required?
The rated supply voltage is 24 V, with a permissible range of 20.4 V to 28.8 V.
5. What protection and isolation details should be verified?
The module has IP20 protection. Digital outputs have relay separation, and separation from the backplane bus is 1 500 V AC for 1 minute.
