BAR H
Elektronik GmbH
®
3/7
9021-0011-A
21.04.2016
A
Page:
Document:
Date:
Revision:
Mini-PLC
STG-660 CAN
Art. No. 0850-0660
MANUAL
© 2014-2015 BARTH Elektronik GmbH | Im Depot 1-3 | D-49838 Lengerich | www.barth-elektronik.de
® BARTH is a registered trademark. All rights reserved.
9021-0011-A
connect a variety of CAN or RS-485 network components
to the Mini-PLC, for example: displays, stepper motors or
CAN sensors.
The STG-660 does not need any peripheral components to
operate. Both inputs and outputs features highly integrated
and rugged protection circuits to operate the Mini-PLC in
really harsh environment.
These outstanding features open up a variety of application
fields in industrial, automotive and 12/24V battery-powered
applications. The STG-660 is also available as customer-
tailored OEM version.
4.4
Delivery content
• BARTH
®
Mini-PLC STG-660 CAN
• Spring terminal connectors (for supply, CAN, I/O)
5
INSTALLATION
5.1
Mounting
The Mini-PLC must be installed and wired
by a trained technician who knows and
complies with both the universally appli-
cable engineering rules and the regulati-
ons and standards that apply in specific
cases.
Fastening the STG-660 follows using either the integrated
mounting holes for screws or the holes for cable ties. The
cable tie installation method is recommended for fastening
the STG-660 on wiring harness, tubes or other mechanical
parts.
Take care to meet the environmental conditions of the
Mini-PLC.
5.2
Wiring
5.2.1 Overview
The graphic below shows the connection layout of the
BARTH
®
Mini-PLC STG-660 CAN.
X1 connector: supply and CAN pins
X2 connector: PLC inputs
X3 connector: PLC outputs
X4 connector: TTL-232/USB interface (VK-16)
X5 connector: MICROCHIP
®
ICSP
®
(VK-6)
5.2.2 Connecting the power supply
The STG-660 features an outstanding wide supply voltage
range from 7 to 32 VDC at lowest current consumption.
So the Mini-PLC can be integrated within battery supplied
12V or 24V DC systems (cars, trucks, battery powered cars,
forklifts and digger, for example).
Turn off the power supply before perfor-
ming any wiring operations!
False electrical connection, voltage
reversal or disregarding the electrical
specifications may cause irreversible
damage of the Mini-PLC!
Connect the supply voltage of 7 to 32 VDC to the 4-pole
terminal X1 of the STG-660. Wire the positive supply to the
‚+VDD‘ marked connection. The negative (ground) will be
wired to the ‚GND‘ connection. All terminals are carried out
as plugable spring terminal connectors for a wire gauge of
0.25 to 1.5mm².
Ensure correct power supply voltage
range and polarisation! External fusing of
8A max. is mandatory! Disregarding may
cause irreversible damage of the PLC!
5.2.3 Connecting the inputs
You can connect sensors, switches or buttons to the inputs.
The sensors may be temperature, flow, pressure, photo-
electric sensors or proximity switches, for example.
The STG-660 is well suitable for any sensor featuring a vol-
tage output, 0 to 10 VDC, for example.
Common features of the inputs
• IN1 to IN6 are selectable analog/digital inputs
• IN7 and IN10 are pure digital inputs (up to 10kHz)
• Wide input voltage range 0 to 32VDC
• IN1 to IN6 are 0 to 10 V compatible
• Comprehensive integrated protection circuits
• Outstanding electromagnetic compatibility (EMC)
• Electrostatic discharge protection (ESD)
Due to the pull-down resistors integrated in the STG-660
any switch (NO/NC) can simply be connected between the
positive supply (VDD) of the STG-660 and the desired input.
The voltage at any input must not exceed
32VDC referred to ground (GND).
Higher voltages or reverse voltage lower
than -32VDC may cause irreversible
damage of the Mini-PLC!
The 10-pole connector named X2 contains the inputs of the
Mini-PLC. While IN7 to IN10 are pure digital inputs, IN1 to
IN6 provide both digital or analog functionality. The voltage
range for all inputs may not exceed 32 VDC. All inputs refer
to GND. Please refer to the appendix for detailed electrical
specification of the inputs.
