HONEYWELL 8C-PCNT01 51454363-175 -1 Series 8 Controller and I/O Specification

• High Level Analog Input w/o HART (16pt) – The High Level Analog Input Module supports high level analog inputs Analog inputs are typically 4-20mA DC for traditional devices. 

• Analog Output/HART Output Module (16pt) – The Analog Output Module supports both standard 4-20mA DC outputs and HART transmitter outputs. 

• Analog Output w/o HART (16pt) 

– The Analog Output Module supports standard 4-20mA DC outputs. 

• Digital Input 24 VDC (32pt) – Digital input sensing for 24V signals 

• Digital Input Sequence of Events (32pt) – Accepts 24VDC discrete signals as discrete inputs. 

The inputs can be time tagged to support 1ms resolution Sequence of Events. 

• Digital Input Pulse Accumulation (32pt) – Accepts 24VDC discrete signals as discrete inputs. 

The first 16 channels can be configured as Pulse accumulation to support Pulse Accumulation and frequency measurement on per channel basis. Channels 17 – 32 can be configured as DI. 

• Digital Output 24 VDC (32pt) – Current sinking digital outputs. Outputs are electronically short-circuit protected. 

• DO Relay Extension Board (32pt) – Digital output with NO or NC dry contacts. It can be used for low power or high power applications. 

• Low Level Analog Input – RTD & TC (16pt) – Provides thermocouple (TC) and resistance temperature device (RTD) inputs. 4.3. Series 8 I/O Sizing In virtually all configurations, the C300 controller and Series 8 I/O provides useful, maintainable process equipment connections in a smaller footprint than existing competitors and Honeywell equivalent products. Installing Series 8 I/O modules contributes to overall total installed cost savings. IOTA sizes vary based on the application. In general, an analog module has 16 points and resides on a 6 inch (152mm) IOTA for non-redundant applications and a 12 inch (304mm) IOTA for redundant applications. A discrete module has 32 points and resides on a 9-inch (228mm) IOTA for non-redundant applications and a 12 inch (304mm) IOTA for redundant applications. Specific information on the size of a particular module is described in the Model Number Table. 4.3.1. Series 8 Field connections Series 8 Field connections use a standard modular connector. 

The connector modularity allows for removal and insertion of the field wiring. This significantly reduces installation and maintenance procedures and can assist in field check out. Series 8 field connectors accept up to 12 AWG / 2.5 mm2 stranded wire.

IOTA Sizing is nominal (6in = 152mm, 9in =228mm, 12in =304mm). I/O modules are associated with their respective IOTAs in the table below. The I/O Module is supported by one or more IOTAs. Below section also provides an overview of various available IO modules, IOTA, IOTA size and redundancy features.

Specifications for Series 8 I/O Specifications for Series 8 I/O modules are shown below. 

4.4.1. Analog Input with HART - Differential Function Analog Input Module accepts high level current or voltage inputs from transmitters and sensing devices. Notable Features 

• Extensive self-diagnostics 

• Optional redundancy 

• Supports either Single Ended / Differential Inputs 

• HART-capable, multivariable instruments and multiple modems for fast collection of control variables 

• Fast loop scan

Function The Analog Input Module accepts high level current inputs from transmitters and sensing devices. Notable Features 

• Extensive self-diagnostics 

• Optional redundancy 

• HART-capable, multivariable devices 

• Fast loop scan • Internal or external field power selection 

• On board excitation power (no need for marshalling power) 

• Suitable for Configure / Status for HART Device 

• Galvanic Isolation

The Analog Input Module accepts high level current inputs from transmitters and sensing devices. Notable Features 

• Extensive self-diagnostics 

• Optional redundancy 

• Fast loop scan 

• Internal or external field power selection 

• On board excitation power (no need for marshalling power) 

• Galvanic Isolation (System to Field only with external user supplied power)

The Low Level Analog Input (LLAI) Module accepts up to 16 channels of temperature inputs from RTD & TC. Notable Features 

• TC and RTD operation 

• Remote Cold Junction compensation capability 

• 1 Second PV scanning with OTD protection 

• Configurable OTD protection (See below) 

• Temperature points can be added in 16 point increments Temperature Support The Temperature variable is collected from all points at a 1 second rate. 

The 1 second update includes a configurable check for Open Thermocouple Detection (OTD) (see below) before propagation of the temperature variable. All TC inputs include integral Cold Junction Compensation (CJC). Sampling and Open Sensor Detect The TC/RTD IOM supports a configuration parameter for Open Sensor Detect before PV delivery. With the OTD configuration active, the PV is sampled and held while an OTD cycle is performed within the same measurement window. If the OTD is negative, the PV is propagated up through the system. If the OTD is positive, the PV is set to NAN and the input channel soft failure is set. In this way, no inappropriate control action occurs for PV values that are invalid due to an open thermocouple. PV sampling/reporting incurs no added delays from OTD processing