Expanding safety barrier installation in CAB100B - CAB100

CAB100 Installation Guide

Document code
English (United States)
Document type
User guide
  • The safety barriers you plan to install
  • Safety Barrier Wiring Set (Vaisala item code: ASM213201SP). The set contains the following:
    • Cable set for PDT or safety
    • Data logger data cable
    • Partition plate
    • Data logger holder
  • DL4000 data logger(s), 1 logger per 4 safety barriers
  • Small flat head screwdriver

For item codes, see Spare parts and accessories.

The partition plate is needed for isolating the intrinsically safe area from the non-intrinsically safe area inside the cabinet.
Each set of 4 safety barriers requires a Safety Barrier Wiring Set and a data logger of its own.
You can install only one type of device or measurement point (PDT101 transmitters, analog input channels, safety barriers, or galvanic isolators) per row in the cabinet.

In cabinet models with 5 to 8 data loggers, you need 2 serial port servers.

One serial port server controls the traffic of maximum 4 data loggers.

Make sure to number the data loggers as well as the cable sets and wires in the Safety Barrier Wiring Set before you install and connect them.

Follow the steps below to add new safety barriers to an existing set of devices in CAB100B. Refer to CAB100B layout diagrams when planning the installation.

For instructions on introducing safety barriers as new devices to an empty DIN rail in the cabinet, see Adding safety barriers as new modules to CAB100B.

The Safety Barrier Wiring Set consists of wiring for 4 devices. Any unused wires in the Wiring Set have been placed in the cable duct at the factory. If you have, for example, 3 barriers installed on a DIN rail, and want to complete the set by installing a fourth one, use the existing barrier wires present in the cable duct.

  1. De-energize the cabinet:
    1. Switch off mains power and the circuit breaker located inside the cabinet.
      Circuit breaker
    2. Disconnect the safety barrier power wire connector from the power block located on the right-hand side of the cabinet.
  2. Remove the cable duct cover above the safety barriers.
  3. Mount the DL4000 data logger (or loggers), as shown in the following steps.
    Each set of 4 safety barriers requires a data logger of its own. If you are installing the second, third, or fourth barrier to complete a set of 4, the steps to mount a new data logger are not relevant, as you can connect the new barrier(s) to the existing data logger.
  4. Assemble the data logger holder.
    1. Place the data logger in the logger holder.
    2. Fit the cover into place.
    3. Tighten the screw by hand.
  5. Connect the logger data cable to the RS-232 serial port in the data logger.

    Use a small flat head screwdriver to tighten the screw attached to the connector.