SAFETY MANUAL - Tuv-fs.com

SAFETY MANUAL
Digital Inputs
8403, Triplicated, 24
VDC
8423, Triplicated,
120VDC
Digital Inputs
8402, Dual,
24 VDC
Analog Inputs
8431, Triplicated
8433, Triplicated,
isolated
Analog Inputs
8432, Dual
TÜV Certified
Configuration
Internal 2oo3
(2oo3 implemented in
a single module)
Internal 1oo2D
(1oo2 implemented in
a single module)
Internal 2oo3
(2oo3 implemented in
a single module)
Internal 1oo2D
(1oo2 implemented in
a single module)
Conditions
Normally energized (de-energize to trip): certified
SIL 3 or AK6.
Normally de-energized (energize to trip): certified
only for applications that fulfil the requirements
under section 3.2.4.
Normally energized (de-energize to trip): certified
SIL 3 or AK6.
Normally de-energized (energize to trip): certified
only for applications that fulfil the requirements
under section 3.2.4.
Time-limited operation in degraded mode
Within the manufactures specified safety accuracy
limits. The safety state of the analogue input has to
be defined to 0 mA/0 V
Certified SIL 3 or AK6.
Within the manufactures specified safety accuracy
limits. The safety state of the analogue input has to
be defined to 0 mA/0 V
Time-limited operation in degraded mode.
Certified: SIL 3 or AK6
Table 2 - Input Modules High Density I/O
Digital Outputs
8451, Triplicated 24
VDC
8471, Triplicated
120VDC
8461, Triplicated
48VDC
Analog Outputs
8480 Analog Output
4-20 mA
TÜV Certified
Configuration
Internal 2oo3
(2oo3 implemented in
a single module)
Not safety related but
interference free
Conditions
Normally energized (de-energize to trip): certified
SIL 3 or AK6.
Normally de-energized (energize to trip): certified
only for applications that fulfil the requirements
under section 3.2.4.
May be used in single module or master/slave
configurations.
Certified as non-interfering and can be used for nonsafety-critical
output devices.
Table 3 - Output Modules High Density I/O
Doc Number P8094
Issue 14 September 2003 Page 39 of 67