Siemens SM323, 6ES7323-1BL00-0AA0, digital input/output module, 16 DI 24 V DC, 16 DO 0.5 A, 40-pin front connector.
| Parameter | Value |
|---|---|
| Digital outputs | 16 |
| Parameter | Value |
|---|---|
| Rated value (DC) | 24 V |
| Output current, resistive load, max. | 100 Hz |
| Output current at signal "1" (rated) | 0.5 A |
| Output current, max. per circuit / per module | 0.6 A |
| Permissible range, upper limit (DC) | 28.8 V |
| Permissible range, lower limit (DC) | 20.4 V |
| Output voltage at signal "1" (min.) | L+ (-0.8 V) |
| Residual current at signal "0", max. | 0.5 mA |
| Output current up to 60 °C, max. | 3 A |
| Current consumption from backplane bus (5 V DC), max. | 80 mA |
| Power dissipation (typ.) | 6.5 W |
| Inductive shutdown voltage clamp | L+ (-48 V) |
| Load resistance, upper limit | 4 kΩ |
| Load resistance, lower limit | 48 Ω |
| Isolation between channels | Yes |
| Isolation between channels and backplane bus | Yes; Optocoupler |
| Isolation, channels in groups of | 8 |
| Isolation test voltage | 500 V DC |
| Parameter | Value |
|---|---|
| Short-circuit protection | Yes |
| Diagnostics function | No |
| Short-circuit response threshold (typ.) | 1 A |
| Redundant load control | Yes; only outputs of the same group |
| Output can drive a digital input | Yes |
| Parameter | Value |
|---|---|
| Output switching delay 0 to 1, max. | 100 µs |
| Output switching delay 1 to 0, max. | 500 µs |
| Switching frequency, inductive load, max. | 0.5 Hz |
| Switching frequency, lamp load, max. | 100 Hz |
| Parameter | Value |
|---|---|
| Cable length, unshielded, max. | 600 m |
| Cable length, shielded, max. | 1 000 m |
| Width | 40 mm |
| Height | 125 mm |
| Depth | 120 mm |
| Weight (approx.) | 260 g |
The 6ES7323-1BL00-0AA0 I/O module provides 16 digital inputs at 24 V DC (13-30 V signal, 7 mA) and 16 digital outputs rated 0.5 A per channel. Total output current is 2 A at 40 °C.
Input response times: 0 to 1 typically 100 µs, 1 to 0 typically 500 µs. Outputs switch resistive loads at up to 100 Hz. The module requires a 40-pin front connector and sits in the S7-300 rack. Isolation tested at 500 V DC.
Depth 120 mm, width 40 mm, height 125 mm.
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