Configurable safety system SAFEMASTER PRO - Fieldbus module
7
0265998 / 16.05.19 de / 101A
INSTALLATION
ELECTRICAL CONNETIONS
Each module is provided with four connectors:
- 5 way IN-RAIL-BUS connector to the system SAFEMASTER PRO
- Micro USB connector to the PC (for SW programming)
- BUS connector to the fieldbus
- Terminal block for power supply
The SAFEMASTER PRO system units are provided with removable
terminal blocks for the electrical connections. Each unit can have 8, 16
or 24 terminals.
Each unit also has a rear panel plug-in connector (for communication
with the control unit and with the other expansion units).
Install safety units in an enclosure with a protection class of at least IP54
Connect and disconnect the module only when it is not powered
The supply voltage to the units must be 24VDC ± 20% (PELV, in compliance with the standard EN 60204-1
(Chapter 6.4))
Do not use the SAFEMASTER PRO to supply external devices
The same power supply connection (24VDC and 0VDC) must be used for all system components
Terminal fixing torque: 5÷7lb-in (0.6÷0.7 Nm)
CONNECTION TERMINALS
M
42
88
_
a
Notes on the connection cables
Wire size range: AWG 12÷30 (solid / stranded) (UL).
Use 60 / 75°C copper (Cu) conductor only
Cables used for connections of longer than 50 m must have a cross-section of at least 1 mm
2
(AWG 16).
We recommend the use of separate power supplies for the safety unit and for other electrical power
equipment (electric motors, inverters, frequency converters) or other sources of disturbance.
Terminal designation
Signal description
1
+ 24 V DC
±
20 %
2
-
3
-
4
GND
