53
D
6. IO (Input-Output) Port
IO type and Configuration
P and S type have DI(Digital Input, 2 terminals) and DO(Digital Output, 4 terminals).
1) DO 4 terminals is composed of two types ( Open-Collector 1terminal, Solid Relay 3 terminals)
524-534-544-513 ( Solid Relay 3 pieces, 513 is relay’s common terminal.)
Z3-Z4 (ZSI output, Open-Collector, Z3-Collector, Z4-Emitter)
2) DI 2 terminals are all Dry Contacts, contact input voltage is 3.3V.
R11-R12 (Remote Reset)
Z1-Z2 (ZSI input)
To make contact get recognized, just short-circuit them.
Be aware of direction when short-circuiting with Open Collect.
(It is required to connect Collector of Open Collector Terminal to Z1, R11)
3) 485+, 485- are connecting terminals for MODBUS/RS-485.
4) E1, E2 are connecting terminals for external CT on OCGR and earth leakage detective purpose CT.
Digital Triip Relay
Digital Trip Relay
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