MSC-CB-AC-FI8FO4S-166057 (Order no. 166057)

Base unit MSC-CB-S

Freely programmable base unit for use as a standalone device or expandable with various expansion modules
8 single-channel / 4 dual-channel inputs
Up to 4 control inputs
4 single-channel semiconductor outputs (up to PL e, category 4)
Up to 4 monitoring outputs
PC connection for the EUCHNER Safety Designer software
Optional memory module for configuration
Compact housing with width of only 22.5mm
Simple diagnostics via LED displays

Description

Inputs and outputs

8 single-channel / 4 dual-channel inputs
Up to 4 control inputs for starting/restarting semiconductor outputs or for external device monitoring (EDM)
4 single-channel / 2 dual-channel semiconductor outputs (up to PL e, category 4)
4 test outputs for monitoring for short circuits and overload states
Up to 4 monitoring outputs programmed via the EUCHNER Safety Designer software

Three settings are available for the safe semiconductor outputs (configuration via the EUCHNER Safety Designer software):

4 single-channel outputs
2 dual-channel outputs
1 dual-channel output and 2 single-channel outputs

MSC system

An MSC system consists of a base unit and max. 14 expansion modules. You can use this base unit to expand your MSC system with max. 128 inputs, 30 dual-channel safe outputs and 48 monitoring outputs. You can use up to 4 expansion modules of the same time in your MSC system.

Accessories

Plug-in screw terminals (order no. 121321) must be ordered separately
An expansion plug (order no. 121308) is additionally required for use with expansion modules.

Technical data

Approvals

EAC
TÜV Süd München
c UL us
UL us

Electrical connection values

Connection cross section	0.5 - 2.5 mm² (Screw terminal)
Outputs
Number	Type	Function	Footnote
2	Semiconductor outputs, p-switching, short circuit-proof	Safety outputs (OSSD)	(according to EN 61131-2)
4	Semiconductor outputs, p-switching	Monitoring outputs, programmable	(according to EN 61131-2)
4	Semiconductor outputs, p-switching	Test outputs	(according to EN 61131-2)
Output voltage
Safety outputs (OSSD)	UB-0.75 - UB V DC HIGH
Safety outputs (OSSD)	0 - 2 V DC LOW
Output current
Safety outputs (OSSD)	0 - 400 mA
Monitoring outputs, programmable	max. 100 mA
Operating voltage DC
UB	24 V DC -20% - +20% PELV (according to EN 60204-1)
Inputs
Number	Type	Function	Footnote
4	Semiconductor inputs, p-switching	Feedback loop monitoring (EDM)	(according to EN 61131-2)
8	Semiconductor inputs, p-switching	Safety inputs	(according to EN 61131-2)
inductive load
Safety outputs (OSSD)	max. 2 mH
capacitive load
Safety outputs (OSSD)	max. 0.82 μF
Test pulse duration
Safety outputs (OSSD)	0.1 ms
Test outputs	0.2 ms
Test pulse interval	600 ms
Overvoltage category according to IEC EN 60664-1	II
Power dissipation	max. 3 W
Degree of contamination according to EN 60664-1	2
Time delay	0.01275 - 0.06592 s + filter time (Depending on the number of slave modules, operators and OSSD outputs. (See operating instructions or calculated values in the Euchner Safety Designer software))

Mechanical values and environment

Dimensions	108 x 22.5 x 114.5 (Including screw terminals)
Connection type	Plug-in screw terminal (Terminals not included)
Storage temperature	-20 to 85 °C
Cable length	max. 100 m (with length above 50 m, cross-section>use 1 mm²)
Atmospheric humidity	10 - 95 % rH
Mounting type	TH 35 mounting rail (EN IEC 60715)
Degree of protection	IP20
Ambient temperature	-10 to 55 °C
Material	Housing: Polyamide
USB port for PC connection	Connection type: USB type B - Mini
Cable length	max. 3 m

Characteristic values according to EN ISO 13849-1 and EN IEC 62061

Mission time	20 y (according to ISO 13849-1:2006/IEC 62061:2005)
Category	4 (according to ISO 13849-1:2006/IEC 62061:2005)
Performance Level	PL e (according to ISO 13849-1:2006/IEC 62061:2005)
PFHD	1.35E-08 (according to IEC 61508:2010)
SIL CL	3