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Laurel Electronics Laureate Digital Panel Meter for Process, Strain & Potentiometer Follower Signals User Manual

Page 3

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LAUREL

ELECTRONICS INC., 3183-G Airway Ave., Costa Mesa, CA 92626, USA • Tel 714-434-6131 • www.laurels.com 3

Relay Outputs (optional)

Relay types

Current ratings

Output common
Isolation

2 Form C contact relays or 4 Form A contact relays (normally open)
2 or 4 Form A, AC/DC solid state relays (normally open)
8A at 250 Vac or 24 Vdc for contact relays
120 mA at 140 Vac or 180 Vdc for solid state relays
Isolated commons for dual relays or each pair of quad relays
250V rms working, 2.3 kV rms per 1 min test

Serial Data I/O (optional)

Board selections

Protocols
Data rates
Digital addresses
Isolation

Ethernet, Ethernet-to-RS485 server, USB, USB-to-RS485 server,
RS485 (dual RJ11), RS485 Modbus (dual RJ45), RS232.
Modbus RTU, Modbus ASCII, Laurel ASCII protocol
300 to 19200 baud
247 (Modbus), 31 (Laurel ASCII),
250V rms working, 2.3 kV rms per 1 min test

Signal Connections

Environmental

Operating temperature
Storage temperature
Relative humidity
Protection

0°C to 60°C
-40°C to 85°C
95% at 40°C, non-condensing
NEMA-4X (IP-65) when panel mounted



Mechanical