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Appendix C Technical data for the 7951
Page C.7
Pulse Quantity 7951MAA****** (Klippon): 3 off
7951MAB****** (D-type): 5 off
Options None
Type Open-collector Darlington drivers
Output rating 200mA @ 24V with 50% duty cycle
Switch voltage 24V maximum
Maximum frequency 10Hz
Digital (Status) Quantity 7951MAA****** (Klippon): 7 off
7951MAB****** (D-type): 9 off
Options Option for extra status outputs:
7951MAA*38*** (Klippon): 0 off
7951MAB*38*** (D-type): 8 off
Type Output 1 is a relay (0.5 Amp DC),
all others are FET open-drain
Rating 250mA @ 24V
Switching voltage 24V
Communications
Serial Communications Port 1 Physical layer RS232 full duplex
Max. baud rate 19K2
Handshake XON/XOFF
Port 2 Physical layer RS232 full duplex or RS485 half duplex
Max. baud rate 19K2
Handshake XON/XOFF and/or RTS/CTS
Port 3 Physical layer RS232 full duplex or RS485 half duplex
Max. baud rate 19K2
Handshake XON/XOFF and/or RTS/CTS
Software protocols Modbus ASCII, RTU (Master, Slave, and Peer).
Data type IEEE 32 and 64-bit.
16-bit integers optional.
Commands 03, 04, 06, and 16