Digital modules
8.7 SM 326; F-DO 10 x DC 24V/2A PP (6ES7326-2BF10-0AB0)
Fail-safe signal modules
Installation and Operating Manual, 01/2010, A5E00085586-10
179
Technical data
Electrical isolation
Between channels and backplane bus
Yes
Between channels and the power supply of the
electronics
Yes
Between channels
In groups of
Yes
5
Permitted potential difference
Between different circuits
75 V DC
60 V AC
Insulation test voltage 370 V AC for 1 min.
Current consumption
From backplane bus
100 mA, maximum
From supply voltage 1L+
100 mA, maximum
From load voltage 2L+/ 3L+ (no-load)
100 mA, maximum
Power loss of the module 6 W, typical
Status, Interrupts, Diagnostics
Status display 1 green LED
1 red LED
Interrupts
Diagnostic interrupt Programmable
Diagnostics functions Programmable
Group fault display Red LED (SF)
Fail-safe mode display Green LED (SAFE)
Diagnostic information can be read out Possible
Fail-safe values Switch to / Keep last valid value
Actuator selection data
Output voltage
For "1" signal
Minimum L+ (-1.0 V)
Output current
For "1" signal
– Rated value
– Approved range
2 A
7 mA to 2.4 A
For "0" signal (residual current)
0.5 mA, maximum
Load resistance range
Up to 40 °C
12 Ω to 3.4 kΩ
Up to 60 °C
12 Ω to 3.4 kΩ
Lamp load 5 W, maximum
Parallel switching of 2 outputs
For redundant load control
With assigned redundancy
For power increase
Not possible
Control of a digital input Possible
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