Campbell Scientific SDM-CD16S Specifications

PRODUCT

With an SDM-CD16S, your data logger can controldc devices
that have a relatively high-powered load, such as solenoids,
solenoid valves, dc motors, stepper motors, lights, horns,

Allows the data logger to automatically turn devices on or off
when a threshold (for example, temperature or water depth)
has been reached

This relay driver provides 16dc voltage outputs that can be
switched on and off manually or under data logger control.
The SDM-CD16S's toggle switch has three positions: MANUAL,
OFF, and AUTO.

In the MANUAL position, outputs are controlled by the
position of the individual rocker switches.

In the OFF position, all outputs are off.
In the AUTO position, the state of the relays is controlled by

the SDM commands from the data logger or by the logic
control inputs.

Separate inputs for power-to-outputs (48 Vdc maximum) and
power-to-SDM-CD16S logic (7 to 48 Vdc) allow the option of

16-Channel Solid-State DC Controller

SDM-CD16S

Expands Data
Logger Control
Capacity

For dc devices with
higher current loads

Overview

Benefits and Features

Detailed Description

heaters, and fans.With a voltage range of up to 48 Vdc and a
maximum current output per channel of 2 A, the SDM-CD16S
can drive up to 100 W of power on each channel.

Provides a manual override
Includes LEDs for a visual indicator of active outputs
Drives up to 100 W of power on each channel

powering the logic from the data logger’s 12 V while switching
a higher voltage.

SDM Operation

The SDM-CD16S is a synchronously addressed data logger
peripheral. Data logger control ports 1, 2, and 3 are used to
address the SDM-CD16S, then clock out the desired state of
each of theeight control ports. Up to 15 SDM-CD16S devices
may be addressed, making it possible to control a maximum of
256 ports from the first three data logger control ports.

Data Logger Connection

The CABLE5CBL-L is recommended for connecting the module
to the data logger. A 1-ft cable length should be sufficient
when both data logger and SDM-CD16S are housed within an

For comprehensive details, visit: www.campbellsci.com/sdm-cd16s

ENC12/14 enclosure; a 2-ft length may be required if the data
logger and SDM-CD16S are housed at opposite ends of an
ENC16/18 Enclosure. The cable length should be as short as

Function Allows the data logger to control

dc devices that have a relatively
high-powered load, such as
solenoids, solenoid valves, dc
motors, stepper motors, lights,

horns, heaters, and fans.
Number of Channels 16
Isolation Optically isolated between the

inputs and outputs
Logic Power Voltage 7 to 48 Vdc
Logic Current Drain (@ 12

Vdc)

2.5 mA per active LED (manual
or auto)
15 mA quiescent

Toggle Switch Individual dip switches for

manual

Specifications

possible. Typically, the maximum cable length is 20 ft. Contact
Campbell Scientific if the length needs to be longer.

MANUAL, OFF, AUTO
Supply Voltage for Output 48 V max (dc only)
Operating Voltage 12 Vdc
Maximum Current 2 A (per channel)

10 A fused (all channels total)
Fuse 3 AG 10 A
Actuation/Release Times 8 μs/200 μs
Operating Temperature -40° to +70°C
Maximum Cable Length 6 m (20 ft) total to all SDM devices

(Contact Campbell Scientific if
longer lengths are necessary.)

Dimensions 24.1 x 12.7 x 6.4 cm (9.5 x 5.0 x 2.5

in.)

Weight 771.1 g (1.7 lb)

For comprehensive details, visit: www.campbellsci.com/sdm-cd16s

© 2020 Campbell Scientific, Inc. | 08/13/2020