621-9930
PublishedParallel I/O Module
HoneywellControl Systems (PLC & DCS)I/O ModuleIndustrial supply
Honeywell 621-9930 parallel I/O module (PIOM) for Honeywell 620/621 control systems, linking the processor rack with I/O racks. Manages address decoding and card-select signals between the CPM and installed I/O modules.
Wholesale supply621-9930
No public pricingPriced per agreement on volume and market. Send your quantities — Kaysan replies with availability and wholesale terms.
Product identity6 fields
Item nameParallel I/O Module
Item number / code621-9930
BrandHoneywell
Product lineIndustrial supply
CategoryControl Systems (PLC & DCS)
Product typeI/O Module
Technical data12 rows
TypeParallel I/O Module
Address DecodingConverts CPM address data into card‑select signals for each I/O module
CommunicationProvides link between processor rack and parallel I/O racks
Dimensions28.5″ × 25.5″ × 22.5″ (from product listing)
FunctionDecodes I/O module addresses and generates card‑select signals
Industrial ReliabilityBuilt for long‑term operation in Honeywell 620/621 control environments
Modular ArchitectureSupports scalable I/O expansion across multiple racks
Parallel I/O LinkingEnsures reliable communication between CPM and I/O racks
Product TypeParallel I/O Module (PIOM)
Rack PositionSlot N in a full I/O rack or Slot H in a half rack
Rack‑Level IntegrationDesigned for full and half‑rack configurations
System CompatibilityHoneywell 620/621 PLC systems
Reference numbers1 public
Honeywell621-9930