Unpacking the ucerb 24, Installing the ucerb 24 – CyberResearch UCERB 24 User Manual

Page 14

Unpacking the

UCERB 24

As with any electronic device, you should take care while handling to avoid damage from static
electricity. Before removing the

UCERB 24 from its packaging, ground yourself using a wrist strap or

by simply touching the computer chassis or other grounded object to eliminate any stored static charge.

If your

UCERB 24 is damaged, notify CyberResearch, Inc. immediately by phone, fax, or e-mail.

Phone:

203.483.8815.

Fax:

203.483.9024 to the attention of Tech Support

Email:

techsupport@

cyberresearch.com

Installing the

UCERB 24

The

UCERB 24 has two on-board switches that you set to configure the relay logic polarity and the

resistor pull-up/down configuration. Configure these switches before you connect the external power
supply to the

UCERB 24. Factory-configured default settings are listed in Table 2-1. Refer to Figure 3.1

for the location of each switch on the

UCERB 24.

Configuring the hardware switches

The

UCERB 24 has two on-board switches that you set to configure the relay control logic polarity and

the

relay

power-on

state

. Factory-configured default settings are listed in

Table 2.1 Refer to Figure 3.1 for

the location of each switch on the

UCERB 24.

Board label

Description

Default
setting

INVERT NON-INVERT
S1

Configures the relay control logic parity per relay bank for invert or
non-invert logic.

Non-invert

Pull DOWN PULL UP
S2

Configures the relay power-on state per relay bank for pull-up or
pull-down.

Pull-down

Table 2-1. Default switch configuration

UCERB 24

CyberResearch

Digital I/O