7 Functional Description of the Fieldbus Modules
7-24
7.3.3 Technical data
Features
• Two serial channels, el. isolated from each other and from the system
• RS232, RS422 and RS485 interface drivers
• Serial 4 KBit EEPROM with 10
7-
write cycles for system parameters
• Two 16-bit hardware counters for protocol time base
• One 16-bit hardware counter as a common prescaler
General features
Rated voltage 5 V, ± 3% from CPU board of AC 800F
Power consumption 1.6 W ... 2.6 W
Channel supply
Rated voltage 5 V, ± 10%
Power consumption max. 0.15 W, when idling
(per channel) max. 0.3 W, during communication
max. 0.4 W, with short-circuit in RS232 cable
max. 1.25 W, with short-circuit in RS422 cable
max. 1.25 W, with short-circuit in RS485 bus
Output voltage for termination (VCC_Term)
Rated voltage 5 V ± 10%
Max. output current 20 mA
Weight 145 g
Plugging/removal during operation Permissible, if slide lock is set properly, see
Section 7.1.