Technical data
IDEC SmartRelay Manual 307
A.5 Technical data: FL1B-M08B1S2
FL1B-M08B1S2
Power supply
Input voltage 24 V DC
Permissible range 20.4 ... 28.8 V DC
Reverse polarity protection Yes
Permissible mains frequency not applicable for this module
Power consumption from 24 V DC 30 ... 45 mA
0.3 A per output
Voltage failure buffering
Power loss at 24 V 0.8 ... 1.1 W
Backup of the real-time clock at 25 C no clock available
Accuracy of the real-time clock no clock available
Digital inputs
Number 4
Electrical isolation No
Input voltage
• Signal 0
• Signal 1
L+
< 5 V DC
> 12 V DC
(1)
Input current at
• Signal 0
• Signal 1
< 0.85 mA
(2)
> 2 mA
(3)
Delay time at
• 0 to 1
• 1 to 0
typ. 1.5 ms
typ. 1.5 ms
Line length (unshielded) 100 m
Digital outputs
Number 4
Output type
Tra
nsistor,
cur
rent-sourcing
(4)
Electrical isolation No
In groups of
Control of a digital input Yes
Output voltage Supply voltage
Output current max. 0.3 A
Short circuit-proof and overload-proof Yes
Short circuit current limitation Approx. 1 A
Derating none; across the entire temperature range