Weidmuller G408 User Manual

Weidmuller Ltd.
10 Spy Court
Markham, ON L3R 5H6
Tel: [phone]
Fax: [phone]

Weidmuller Ltd
821 Southlake Blvd.
Richmond, VA 23236 U.S.A.
Tel: [phone]
Fax: [phone]

ISO 9001 Registered

Electronic Interface Modules

G408 Ultra SlimPak®

DC Input, Field Configurable Isolator

• field configurable via DIP switches for different input­output combinations

• eliminates ground loops and isolates to 1800Vdc
between input, output and power

• field configurable input ranges 10mV to 100V, 1mA to
100mA

• field configurable output ranges 0-10V, 0-5V, 0-20mA,
4-20mA, 0-1mA

• ultra slim package 12.7mm

• 9 to 30Vdc powered

• CSA approved, UL recognized, CE marked

Description

Application

Diagnostic LEDs

The Ultra SlimPak G408 is a DIN rail mount, DC input signal conditioner with 1800Vdc isolation between
input, output and power. The field configurable input and output offers flexible, wide ranging capability for
DC current and voltage signals.
The input of the G408 Ultra SlimPak can be configured for any one of 12 voltage ranges from 10mV to 100V
or 6 current ranges from 1mA to 100mA (see table 1). The output is linear to the input and can be set for
0-5V, 0-10V, 0-1mA, 0-20mA or 4-20mA .
Wide ranging, precision zero and span pots allow 50% adjustability of offset and span turn-down within each
of the 18 switch selectable ranges. For example, the 0-2mA input range could be turned down to 0-1mA
and provide a full scale output signal (e.g. 4-20mA), or turned down and offset to achieve a 1-2mA/4-20mA
I/O combination.
The G408 also accepts bipolar inputs (e.g. 10V range set to bipolar = -10 to +10V) and offers selectable
normal, or reverse operation (e.g. 4-20mA/20-4mA). The ASIC based I/O channel is optically isolated to
1800Vdc and is transformer isolated from the power supply.

The Ultra SlimPak G408 field configurable isolator is useful in eliminating ground loops, converting signal
levels, and providing signal drive. The field configurable, wide ranging capability ensures maximum flexibility
for most DC to DC applications, minimizing spare part requirements.

The G408 is equipped with a dual function LED signal monitor. The green, front mounted LED indicates both
DC power and input signal status. Active DC power is indicated by an illuminated LED. If the input signal is
more than 110% of the full scale range, the LED will flash at 8Hz. Below -10%, the flash rate is 4Hz.

Table 1: G408 input range selector - switch settings

Key: n ON

Table 3: Output range selector - switch settings

Table 2:
Input range and
function settings