Siemens Simatic S7-400 - Manual (Page 195)

Digital Modules
4-73
S7-400, M7-400 Programmable Controllers Module Specifications
A5E00069467-07
4.20 Digital Output Module SM 422; DO 32 24 VDC/0.5 A;
(6ES7422-7BL00-0AB0)
Characteristics
The digital output module SM 422; DO 32 24 VDC/0.5 A has the following
features:
• 32 outputs, fused and isolated in groups of 8
• 0.5 A output current
• 24 VDC rated load voltage
• Group error display for internal faults (INTF) and external faults (EXTF)
• Programmable diagnostics
• Programmable diagnostic interrupt
• Programmable substitute value output
The status LEDs also indicate the system status even when the front connector is
not inserted.