ABB PU515A Real Time Accelerator (RTA) board PU516A module

Description

PU515A When you unpack a new I/O Terminal Block, its upper surface is covered by a pair of sturdy labels.

While installing the I/O Terminal block, keep these labels in place to prevent environmental

contamination of module components. PU515A Leave the protective label in place for any slot where a

module is not installed.

Before installing modules on their terminal blocks, install the connecting cable(s) between terminal

blocks. A short connecting cable, illustrated below, is supplied with each I/O Terminal Block. A set

of connecting cables is available as renewal part number IC670ACC001. Optional 21-inch (0.53

meter) cable (IC670CBL002) is also available (only one longer cable can be used per I/O station).

PU515A The illustration below shows the basic cable connection between a Bus Interface Unit terminal

block and an I/O Terminal Block. The protective labels are still in place on the I/O Terminal Block,

but the label corners have been removed to permit access to the Terminal Block cable connectors.

Make connections between I/O Terminal Blocks the same way. The connectors are keyed to assure

proper installation.

PU515A The 21″ (54.61 cm) I/O Expansion Cable (IC670CBL002) can be used in place of the standard

inter-base cable where more space is needed between bases. Only one I/O Expansion Cable can be

used per station. The remaining connections must be made using the shorter connectors supplied

with the bases.

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Connection

Cable

IC670CBL002

21.5 in (54.61 cm)

Strain Reliefs

Braided Drain Wires

The I/O Expansion Cable can connect an I/O base with the Bus Interface Unit base or with another

I/O base. The cable must be installed so that direction of data flow is consistent from one base to

the next. That is, the cable would connect the “bottom” of one base with the “top” of the next base

if the bases were both oriented the same way (as they must be when using the short cable).

46518

The corners of the protective labels must be removed to permit access to the Terminal Block cable

connectors. The connectors are keyed to assure proper installation.

For proper noise immunity protection, connect both drain wires to chassis ground. This can be done

by using a DIN rail clamp, or by placing a ring terminal on each drain wire and attaching each ring

terminal to the mounting plate with a screw and star washer.

Modules are wired to I/O Terminal Blocks with the terminal styles shown below. Wiring can be

completed either before or after installing I/O modules. Refer to the individual block datasheets in

this manual for specific wiring details.

Terminal Assignments for I/O Terminal Blocks

The Terminal Block with box terminals (catalog number IC670CHS002 and 102) has 51 terminals,

each of which accommodates one AWG #14 (avg 2.1mm

2

cross section) to AWG #22 (avg

0.36mm

2

cross section) wire, or two wires up to AWG #18 (avg. 0.86mm

2

cross section). An

insulated external 5mm (0.2in) jumper such as Altech #8879 can be used to connect adjacent

points. When an external jumper is used, the wire capacity is reduced from AWG #14 (2.10mm

2

) to

AWG #16 (1.32mm

2

).

The I/O Terminal Block with barrier terminals (catalog number IC670CHS001 and 101) has 37

terminals. Each terminal can accommodate one or two wires up to AWG #14 (avg 2.1mm

2

cross

section).

The I/O Terminal Block with Connectors (catalog number IC670CHS003 and 103) has two 20-pin

male connectors for I/O wiring. The mating connector is Amp part number 178289-8. Any tin

plated contact in the AMP D-3000 series can be used with the connector (Amp part number

1-175217-5 for high contact force receptacle for 20-24 gauge (0.20-0.56mm

2

) wires), 1-175218-5

for high contact force receptacle for 16-20 gauge (0.56-1.42mm

2

)). A kit containing two mating

connector housings and contacts is available as GE Fanuc part number IC670ACC003. The kit

contains pins for 16-20 gauge wire. A crimping tool must be provided, and used according to the

guidelines in the datasheet provided with the I/O Terminal Block with Connectors.

Each terminal block has two independent sets of terminals.

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