User's Manual

4. Commissioning

7.Manual ION-U_EU_L_23_23 M0F200AFA.docx Page 47

4.2.8. Pwr/Ctrl port

The Pwr/Ctrl port is used to handle an optional fan unit. The connector will provide

power to the fan unit and will allow the EU to control the fan speed. The connector is

a 7-pin Binder 712 series connector.

7-Pin Binder 712

Series

Pin Assignment

1 +V_FAN

2 Fan1 Alarm In

3 Fan1 (PWM) Out

4 GND_FAN

5 Fan2 Alarm In

6 Fan2 (PWM) Out

7 n.c

figure 4-25 Pwr/Ctrl connector

table 4-5 Pwr/Ctrl

connector

4.2.9. Control connector RS-232 - Local Interface

This DB-9 male connector is used for communication between RU and EU.

DB-9 Female

PIN Assignment

1 Not connected (n.c.)

2 RS232 Rx

3 RS232 Tx

4 n.c.

5 GND (RS232)

6 n.c.

7 n.c.

8n.c.

figure 4-26 RS-232 connector table 4-6 RS-232 connector, pin assignment

Connect the RS-232 cable (1.5 m, contained in delivery of EU) from the LOCAL port

of the RU to the CONTROL port of the EU.

4.3. Low Power EU Alarms

4.3.1. Bite and alarms

The Built-In Test concept comprises the monitoring of the power supplies and the

power amplifiers.

All alarms that occur can be checked via software at the Master Unit.

B0401A0