Table of Contents
Advertisement
How To Use the Terminals
Trigger Output Terminals
RE ADY
SD/ RD
SW 1
OCC
SW 2
ERRO R
Current Transformer Input
Terminals
RE ADY
SD/ RD
SW 1
OCC
SW 2
ERRO R
Wiring Example
(G3ZA-4H@03-FLK-
UTU)
12
• The trigger outputs for channels 1 to 4 are output on terminals 13 to 18.
CH1
SSR
CH2
SSR
13
14
15
16
−
+
+
+
12 VDC,
21 mA
12 VDC,
12 VDC,
21 mA
21 mA
Output voltage: 12 VDC ± 15%
PNP
Maximum load current: 21 mA
Short-circuit protection circuit provided.
Controllers without a Current Transformer Input Circuit (G3ZA-8A@03-
FLK-UTU)
• The trigger outputs for channels 5 to 8 are output on terminals 19 to 24.
CH5
SSR
CH6
SSR
19
20
21
22
+
+
−
+
12 VDC,
21 mA
12 VDC,
12 VDC,
21 mA
21 mA
Controllers with Built-in Current Transformer Circuits (G3ZA-4H@03-
FLK-UTU)
• Connect terminals 19 to 24 to the current transformers (no polarity) to
detect heater burnouts, heater overcurrents, and SSR short circuits.
CH1
CT
CH2
CT
19
20
21
22
There are four current transformer inputs that can be used.
Use the E54-CT1 or the E54-CT3 from OMRON as the current transform-
er.
RE ADY
SD/RD
OCC
Alarm
ERROR
Host PLC
Power Controller
power supply
CH3
SSR
CH4
SSR
17
18
−
+
12 VDC,
21 mA
CH7
SSR
CH8
SSR
23
24
−
+
12 VDC,
21 mA
CH3
CT
CH4
CT
23
24
SW 1
SW 2
Load power supply
(for zero cross detection)
Section 2-2
Heater
CT
SSR
Advertisement
Table of Contents
