Banner Interface Modules - Manual (Page 4)

It is not possible to give exact wiring instructions for a Safety Module that interfaces to a multitude of machine control configurations. The
following guidelines are general in nature.
The Safety Module has no delay function. Its output relay contacts open within 20 milliseconds after a safety input opens. This classifies
the Safety Module as functional stop "Category 0" control, as defined by ANSI NFPA 79 and IEC/EN 60204-1.
The inputs can be connected to (that meet the requirements for primary safety device above):
• A +24V dc solid-state (PNP) outputs in single-channel or dual-channel hookup configuration, or
• A +24V/0V dc source that is switched by hard/relay contacts in single-channel or dual-channel hookup configuration.
The dual-channel hookup configuration allows the primary safety device to detect certain failures and faults, such as short circuits, that
could result in a loss of the safety function. Two-channel control should be used whenever unsafe failure of the control wires cannot be
eliminated. The first circuit shown below can meet ISO 13849-1 Category 2, 3, or 4 requirements, depending on the safety rating and the
installation of the primary safety device.
The outputs of the primary safety device must, at minimum, comply with the requirements described. These outputs must be monitored
for failure by the primary safety device. In addition, a single output failure cannot prevent normal stopping action, and a successive cycle
cannot be initiated until the failure has been corrected.
Safety Output
Safety Output
EDM2
EDM1
+24V dc 0V dc
Y2
Y1
Y3
13 14
23 24
33 34
Machine
Control
Feedback (optional)
IM-T-9A
Primary
Safety
Device
Y4
S3
K2
S4
MPCE
1
MPCE
2
MPCE2
MPCE1
S2
K1
K2 K1
S1
Figure 3. Generalized hookup to a 2-channel primary safety
device with two hard-contact safety outputs (FSD1 and FSD2)
and two monitoring inputs.
EDM
+24V dc 0V dc
14
23 24
Feedback (optional)
IM-T-9A
Primary
Safety
Device
MPCE
1
MPCE
2
MPCE2 MPCE1
Y2
Y1
Y3
Y4
Safety
Output
Safety
Output
S3
K2
S4
S1
K1
S2
+
+
13
Machine
Control
Reset
33 34
K2 K1
Figure 4. Generalized hookup to a 2-channel primary safety
device with two hard-contact safety outputs and one monitor-
ing contact feedback input.
Although this hookup shows model IM-T-9A, the hookup for model
IM-T-11A is identical.
IM-T-9A and IM-T-11A Interface Modules
4 www.bannerengineering.com - tel: 763-544-3164 P/N 062822 Rev. D