1336F-BRF50-AA-EN-HAS2 Analog features module

The Control I/O Slave module (IMCIS02) brings four analog and three digital process field signals into the Infi 90 system for processing and monitoring. It outputs four digital and two analog signals for process control. The Control I/O Slave (CIS) module is an interface between the process and the Infi 90 Process Management System. Master modules perform the control functions; slave modules provide the I/O to the master modules. This manual explains the purpose, operation and maintenance of the slave module. It addresses handling precautions and installation procedures. Figure 1-1 illustrates the Infi 90 communication levels and the position of the CIS module within these levels.System engineers and technicians should read this manual before installing and operating the CIS module. A module SHOULD NOT be put into operation until this instruction is read and understood. You can refer to the Table of Contents to find specific information after the module is operating.

MODULE DESCRIPTION 

The CIS consists of a single printed circuit board (PCB) that occupies one slot in a Module Mounting Unit (MMU). A dipswitch on the PCB configures each of the analog outputs; jumpers configure each of the digital inputs. Each analog input is configured on its respective Termination Unit (TU) or Termination Module (TM). Two captive screws on the faceplate secure the module to the MMU. A front panel LED indicates the module status. The slave module has three connection points for external signals and power (P1, P2 and P3). P1 connects to logic power that drives the module circuits (refer to Table 5-2). P2 connects it to the slave expander bus to communicate with a Multi-Function Processor (MFP) module (refer to Table 5-3). The digital and analog signals are input and output through connector P3 using a cable connected to a TU/TM (refer to Table 5-4). The terminal blocks (physical connection points) for field wiring are on the TU/TM.

FEATURES 

The modular design of the CIS, as with all Infi 90 modules, allows for flexibility when you are creating a process management strategy. It brings analog and digital signals into the system and outputs analog and digital signals to the process. The CIS accepts digital signals of 24 VDC, 125 VDC and 120 VAC. Individual voltage and response time jumpers on the module configure each input. Selectable response times (fast or slow) for DC inputs allow the Infi 90 system to compensate for process field device debounce time. It outputs 24 VDC digital signals that can sink 250 mA. It accepts analog signals of 1 to 5 VDC (single ended or differential); its respective TU/TM converts a 4 to 20 mA current to a voltage that is sent to the CIS. The analog output mode is selectable; a dipswitch selects current or voltage mode for each analog output depending on the process requirements.

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