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Chapter 4. WIRING
15
14
13
31
11
12
16
Load
Power
supply
Output 1 (MV1 or MV2)
Contact rating, resistive load
4 A (120 Vac cosø = 0.4)
2 A (240 Vac cosø = 0.4)
Feedback resistance
100 to 2500
Ω
18
17
19
Load (SSR)
Load
2
3
1
Open
side
Closed
side
Closed side
Open side
Output 3 (MV2 or MV 1)
• Current output
4 to 20 mA dc/0 to 20 mA dc
Resistive load 600
Ω
max.
• Voltage output
2 to 22 mA dc
With current adjustment function
(setup data
C80)
Y
T
G
Handling Precautions
• Current output and voltage output can be selected by setup data
C 75
and
C 76.
Voltage output is reliant on an internal fixed-current circuit.
Set the current value in the setup data so that the optimum voltage is
obtained matched to the conditions of the SSR in use and the load.
Factory setting: general-purpose SSR voltage value.
• Internal connection of MV1 (CH1 MV) and MV2 (CH2 MV), and output 1
and output 2 can be selected in setup data
C44.
• 4 to 20 mA dc and 0 to 20 mA dc can be selected in setup data
C90.
■
Position-proportional output (2G)
Connect as follows paying attention to the switching direction:
Handling Precautions
• The life of internal relays is limited.
Avoid setting the PID constant in such a way that results in excessive
repeated ON/OFF switching.
• When using a 100/200 Vac motor, pay attention to rush current and the
contact rating. If necessary, provide an external auxiliary relay.
• Maintain a distance of at least 30 cm between the wiring for motor
terminals
!" #
and feedback resistor terminals
$ % &
.
(Do not wire the leads in the same duct or use 6-core cable. Doing so
might result in faulty controller operation caused by electrical noise when
the motor is started up.)
• When controlling without motor feedback with variable parameter
m-C
set to “2”, terminals
$ % &
need not be connected.
• Current output and voltage output can be selected by setup data
C77.
Voltage output is reliant on an internal fixed-current circuit.
Set the current value in the setup data so that the optimum voltage is
obtained matched to the conditions of the SSR in use and the load.
Factory setting: general-purpose SSR voltage value.
• Internal connection of MV1 (CH1 MV) and MV2 (CH2 MV), and output 1
and output 2 can be selected in setup data
C44.
• 4 to 20 mA dc and 0 to 20 mA dc can be selected in setup data
C90.
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