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Connections
■ Terminal Arrangement
Models with 8 Channels (Control Points),
No CT Inputs, and No Heater Burnout Detection
Trigger output
12 VDC, 21 mA
+
Trigger output
12 VDC,
+
21 mA
19
20
21
CH5
CH6
COM
Trigger output
12 VDC, 21 mA
+
Trigger output
+
12 VDC,
21 mA
13
14
15
CH1
CH2
COM
Models with Load Power Supply Voltage
of 100 to 240 V
7
8
9
RS-485
B (+)
A ( )
1
2
Power supply voltage
100 to 240 VAC
50/60 Hz
Note: Connect the power supply (100 to 240 VAC) for the
G3ZA across terminals 1 and 2 and the load power
supply for the SSR loads across terminals 4 and 6.
Note: 1. The following CTs can be used (sold separately):
0 to 50 A: E54-CT1 and E54-CT3
0 to 150 A: G3ZA-CT150L
2. Use C-Grid SL connectors from Molex Inc.
C-Grid SL Housing
Model: 51030-0630
Operation Indicators
Operation indicator
READY (Green)
Lit while power is being supplied.
SD/RD (Orange)
Lit while communicating with the host.
OCC (Orange)
Lit while a control output is ON.
ERROR (Red)
Lights or flashes when an error is detected.
Setting Switches
• Always turn OFF the power supply before setting the switches. The
switch settings are read only when the power supply is turned ON.
• Use a flat-blade screwdriver to set the switches and be sure not to
leave a switch set between two settings.
SW1
SW2
Trigger output
+
12 VDC, 21 mA
Trigger output
+
12 VDC,
21 mA
22
23
24
CH7
CH8
COM
Trigger output
+
12 VDC, 21 mA
Trigger output
+
12 VDC,
21 mA
16
17
18
CH3
CH4
COM
READY
SD/RD
OCC
ERROR
11
Alarm output
30 VDC, 50 mA
4
6
Load power supply voltage
100 to 240 VAC
50/60 Hz
Meaning
Models with 4 Channels (Control Points),
CT Inputs, and Heater Burnout Detection
SW1
READY
Alarm output connector (See note 2.)
SD/RD
SW1
(only models with load power supply
OCC
voltage of 400 to 480 V)
SW2
SW2
ERROR
Models with Load Power
Supply Voltage of 400 to 480 V
Note: Connect the power supply (100 to 240 VAC) for the
G3ZA across terminals 1 and 2 and the load power
supply for the SSR loads across terminals 4 and 6.
Communications Unit Number
Set a communications unit number on SW1 so that the host system
can identify the Controller.
SW1
0
1
Unit No.
00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15
▲
Default
Note: A unique unit number must be set for each node (Controller) on
the same communications line. Do not set the same unit
number for more than one node.
If 17 or more Units must be connected, refer to the G3ZA Multi-
channel Power Controller User's Manual (Cat. No. Z200).
Communications Baud Rate
Set the baud rate for communicating with the host system on SW2.
SW2
Baud rate
Multi-channel Power Controller
(See note 1.)
(See note 1.)
CT
CT
(See note 1.)
(See note 1.)
CT
19
20
21
22
23
CH1
CH2
COM
CH3
CH4
Trigger output
Trigger output
+
+
12 VDC, 21 mA
12 VDC, 21 mA
Trigger output
Trigger output
+
12 VDC,
+
21 mA
13
14
15
16
17
CH1
CH2
COM
CH3
CH4
7
8
RS-485
B (+)
A ( )
1
2
4
Power supply voltage
Load power supply voltage
100 to 240 VAC
400 to 480 VAC
50/60 Hz
50/60 Hz
2
3
4
5
6
7
8
9
0
1
2
3
4 to F
9.6
19.2
38.4
57.6
Do not set.
▲
Default
G3ZA
CT
24
COM
12 VDC,
21 mA
18
COM
A
30 VDC, 50 mA
B
Alarm output
6
A
B
C
D
E
F
5
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