GND
3
POWER SUPPLY REQUIREMENTS
The G304K requires a 12-28 VDC power supply. Please take care to observe
the following points:
- The wire used to connect the operator interface’s power supply should be
at least 22-gage wire. If a longer cable run is used, a heavier gage wire
should be used. The routing of the cable should be kept away from large
contactors, inverters, and other devices which may generate significant
electrical noise.
- A power supply with a Class 2 or SELV rating is to be used. A Class 2 or
SELV power supply provides isolation to accessible circuits from
hazardous voltage levels generated by a mains power supply due to
single faults. SELV is an acronym for “safety extra-low voltage.” Safety
extra-low voltage circuits shall exhibit voltages safe to touch both under
normal operating conditions and after a single fault, such as a
breakdown of a layer of basic insulation or after the failure of a single
component has occurred.
C
OMMUNICATING
W
ITH THE
G304K
The G304K has two serial ports combined into a single DB9-M connector.
PC (RS-232)
PIN
SYMBOL
PLC (RS-232)
PC (RS-232)
PLC (RS-485)
4 wire
PLC (RS-485)
2 wire
1
Rx-
Data-
Rx-
2
Rx+
Data+
Rx+
3
Tx-
Tx-
4
Tx+
Tx+
5
GND
Signal Ground
6
TxD
Transmit
7
TxD
Transmit
8
RxD
Receive
9
RxD
Receive
DB9-M
PC CONNECTION
Configuration files are downloaded to the Kadet via the PC port, which can
be connected to a computer via various cables.
USB to Serial
PT# CBLUSB23 (includes CBLSK000)
Cable
PT# CBLSK000
PLC
