621-9928R
PublishedSerial Link Selector Module
HoneywellControl Systems (PLC & DCS)Communication ModuleIndustrial supply
Honeywell 621-9928R module for switching between multiple serial communication channels (RS-232/RS-485), connecting PLCs, HMIs and sensors to a central control system. 24 VDC; up to 256 kbps; 2000 VDC isolation.
Wholesale supply621-9928R
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameSerial Link Selector Module
Item number / code621-9928R
BrandHoneywell
Product lineIndustrial supply
CategoryControl Systems (PLC & DCS)
Product typeCommunication Module
Technical data13 rows
Voltage24 VDC
621-9928Rmodule is designed to facilitate switching between multiple serial communication
Baud RateUp to 256 kbps
Compact DesignLightweight and compact for easy installation in various applications
High IsolationOffers 2000 VDC signal isolation for enhanced safety and reliability
Humidity0% to 90% RH, non-condensing
Operating Temperature25°C to 75°C (-13°F to 167°F)
Power Consumption7 W max
Power Supply24 VDC ±10%
Signal Isolation2000 VDC
Storage Temperature40°C to 100°C (-40°F to 212°F)
Versatile CommunicationSupports both RS-232 and RS-485 communication protocols for flexibility in system design
Weight500 g
Reference numbers1 public
Honeywell621-9928R