I/O Ports Interconnections - Cardinal 225 Installation And Technical Manual

I/O Ports Interconnections

Interconnect Wiring for COM0/COM1 20mA Current Loop Operation
Peripheral Device has ACTIVE END of Current Loop.
225
Internal
Circuitry
Interconnect Wiring for COM0/COM1 20mA Current Loop Operation
Peripheral Device has PASSIVE END of Current Loop.
VCC
225
Internal
Circuitry
INSTALLATION, CONT.
SERIAL I/O TxD1 (COM0/COM1)
P20
1
TxD0-RS232
2 GND
3
TxD1-SRC
4 TxD1-20mA +
5
TxD1-20mA –
6 RxD1-RS232
7
TxD1-RS232
8 GND
9
RxD0-RS232
10 TxD0-20mA Active
+5
SERIAL I/O TxD1 (COM0/COM1)
P20
1
2
3
4
5
6
7
8
9
10
8200-M698-O1 Rev B  225 Installation and Technical
Rx SOURCE
Rx RETURN
TxD0-RS232
GND
TxD1-SRC
TxD1-20mA +
TxD1-20mA –
RxD1-RS232
TxD1-RS232
GND
RxD0-RS232
TxD0-20mA Active
+V
Peripheral
Rx RETURN
Rx ACTIVE
Peripheral
Device
Device
17