Wiring To Control Terminals; Using Screened Control Cables - GE AF-600 FP Series Design And Installation Manual

Installation
Terminal Parameter
50
2 2
53
54
55
61
68 (+)
69 (-)
01, 02, 03
04, 05, 06
Table 2.6 Terminal Description

2.5.8.3 Wiring to Control Terminals

Control terminal connectors can be unplugged from the
frequency converter for ease of installation, as shown in
Illustration 2.16.
Illustration 2.16 Unplugging Control Terminals
22
Terminal Description
Digital Inputs/Outputs
Default
Setting Description
- +10 V DC 10 V DC analog
supply voltage. 15 mA
maximum commonly
used for potenti-
ometer or thermistor.
AN-1# Reference Analog input.
Selectable for voltage
AN-2# Feedback
or current. Switches
A53 and A54 select
mA or V.
- Common for analog
input
Serial Communication
- Integrated RC-Filter
for cable screen. ONLY
for connecting the
screen when experi-
encing EMC problems.
O-3# RS-485 Interface. A
control card switch is
O-3#
provided for
termination resistance.
Relays
E-24 [0] [0] Alarm Form C relay output.
Usable for AC or DC
E-24 [1] [0] Running
voltage and resistive
or inductive loads.
TM
AF-600 FP Design and Installation Guide
1.
2.
3.
4.
Illustration 2.17 Connecting Control Wiring

2.5.8.4 Using Screened Control Cables

Correct screening
The preferred method in most cases is to secure control
and serial communication cables with screening clamps
provided at both ends to ensure best possible high
frequency cable contact.
If the earth potential between the frequency converter and
the PLC is different, electric noise may occur that will
disturb the entire system. Solve this problem by fitting an
equalizing cable next to the control cable. Minimum cable
cross section: 16 mm
Illustration 2.18 Correct Screening
1
2
Table 2.7 Legend to Illustration 2.18
DET-768b
Open the contact by inserting a small screwdriver
into the slot above or below the contact, as
shown in Illustration 2.17.
Insert the bared control wire into the contact.
Remove the screwdriver to fasten the control wire
into the contact.
Ensure the contact is firmly established and not
loose. Loose control wiring can be the source of
equipment faults or less than optimal operation.
2
.
2
Min. 16 mm
Equalizing cable