Horner Electric HE693RTU940 — Interface Module

Part numberHE693RTU940
BrandHorner Electric
CategoryCommunication Module
DescriptionInterface Module
ManufacturerHorner Electric
Product TypeInterface Module
Product LineRTU Master Communication Modules
Part NumberHE693RTU940
Weight1.00 lbs (0.45 kg)
Humidity5–95% non-condensing
Communication ProtocolsModbus RTU (Slave)
RS-232 Ports1
RS-485 Ports1
Maximum Modem Baud Rate14.4 kbps
Report by ExceptionYes
PLC CompatibilitySeries 90-30 PLCs
Power Supply5 VDC via backplane
Isolation1500 VAC field-to-logic
DiagnosticsLED indicators for status and communication
Operating Temperature0–60 °C
Storage Temperature‑40–85 °C

The HE693RTU940 is an interface module designed by Horner Electric. This unit is compatible with Series 90-30 PLCs and utilizes Modbus RTU as its communication protocol. It features both RS-232 and RS-485 ports.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.

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