GE P485 instruction manual Configuration cable PC end

INSTALLATION

51

96 (female)

Figure 2-5: Configuration cable (PC end)

MODBUS CONNECTOR The Modbus connector is indicated as C in Figure 2-1: P485 electrical connections on page 2–2.This connector is used to connect the P485 to the serial network. Based on the configuration selected in the EnerVista P485/D485 Setup software, the corresponding signals are activated.

		5			1
		9			6
				(female)
		Figure 2-6: Modbus connector
Table 2–4: Modbus connector pin assignments
Pin	Description		RS232		RS422	RS485
1	+5 V output (50 mA max)
2	RS232 Rx			3
3	RS232 Tx			3
4	Not connected
5	Ground			3	3	3
6	RS422 Rx +				3
7	RS422 Rx –				3
8	RS485 + / RS422 Tx+				3	3
9	RS485 – / RS422 Tx–				3	3

POWER CONNECTOR The power connector is indicated as D in Figure 2-1: P485 electrical connections on page 2–2.Use this connector to apply power to the P485.

Pin 1: +24 V DC;

Pin 2: ground

Use 60/75 or 75°C copper (CU) wire only. The terminal tightening torque must be between 5 to 7 lbs-in (0.5 to 0.8 nm).

NOTE

1 2

Figure 2-7: Power connector

2–4 P485 MODBUS TO PROFIBUS CONVERTER – USER GUIDE