GB.TBLZ275.160517
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5. Electrical connections
For access, unscrew the bolts that secure the blue
cover on the motor control system casing. Connect the
hand-held micro terminal to the motor control system's
integrated wiring terminals, in Port "A". Use a bus
cable, (type 6-core, unshielded, 30 AWG/0.066 mm
2
telecommunication cable or a similar flat cable) with
RJ12/6 connectors in both ends, see the figures below.
BR1014A
11
a
© 2015 OJ Electronic
A/
S
-V+
-Add. Pin2
-Bus B
-Bus A
-Gnd
-Add. Pin2
-Add. Pin2
-Bus B
-Bus A
-Gnd
-Add. Pin2
-V+
-Gnd
-Bus B
-Bus A
-Gnd
-V+
A
C
B
-
Same order of colours
OC
(green)
Alarms
(red)
6. Indications, LEDs
The hand-held micro terminal has two integrated LEDs
(See figure) with the following function:
Steady
glow
Flashing
Red LED
-
Alarm active
Green LED
OC
Oversteering with hand-held
micro terminal.
7. Alarm
For particulars of current alarms, see table in Section 4.
Alarms are reset automatically if the fault ceases to exist
and the EC control system starts up again.
If the maximum number of restarts has been exceeded
the resetting of alarms can take place by selecting "Reset
Alarm" in the alarm menu. As an alternative, short-circuit
Terminals 26 (GND) and 27 (Din2) on the motor control
system's integrated wiring terminal or interrupt the supply
voltage for the EC control system.
8. Trouble shooting
Symptoms
Cause
Action
No values in the hand-held
micro terminal
– Display window off
The EC control system is switched off
Start the EC control system
Modbus cable is defective
Replace the Modbus cable
The RJ12 connector is not correctly connected
Check the contact connections in both the hand-held micro
terminal and the motor control system.
Connect the RJ12 cable to Port "A" in the motor control
system.