IC-GD Datasheet, PDF (45/55 Pages) IC-Haus GmbH – UNIVERSAL I/O INTERFACE

iC-GD
UNIVERSAL I/O INTERFACE
preliminary
Rev A1, Page 45/55
IO_SEL_xP
LK - P
RW - 011
000
DI – digital input
001
DO – digital output
010
VI – voltage input
011
VO – voltage output
100
CI – current input
101
CO – current output
110
CNT – counter, corresponds to DI when counting
and DO for PWM
111
TM – temperature mesurement
Table 40: Primary channel mode selection
thermocouples. If this bit is set, the pin UIx is switched
to ground by means of a resistor.
ENVIF_x
1
LK-PS
RW - 0
Switches pin UI to ground – use with floating sensors
Table 44: ENVIF_x
DI_SEL_x
Register DI_SEL_x allows selecting the digital input
as type 1/2/3 in accordance with the standard DIN/EN
61131-2.
IO_SEL_xS
LK - S
(*) RW - 000
000
DI – digital input
001
DO – digital output
010
VI – voltage input
011
VO – voltage output
100
CI – current input
101
CO – current output
110
CNT(PWM) – counter in PWM mode, corresponds to
DO; counter not supported
111
OFF – NOP
Table 41: Secondary channel mode selection
DO_12
The register DO_12 enables outputting a digital data
signal for both channels. For control, any source of
the first channel can be used. The output occurs simul-
taneously at both outputs. If the signals are output in
phase (i.e. DIO_INV_1 = DIO_INV_2), the outputs can
be connected in parallel and the maximum available
current can thus be doubled. The antivalent operation
for example is useful for differential mode generation
via PWM.
DI_SEL_x
00
01
10
11
Pull-up
Type 1
Type 2
Type 3
LK-PS
RW - 11
Table 45: Digital input selection
DO_SEL_x
Register DO_SEL_x enables to select the mode for the
digital output. In push-pull mode, either the P-channel
or the N-channel transistor is active to pull the output
actively to the appropriate level. In low-side mode,
only the N-channel transistor and a small pull-down cur-
rent-source for cable break detection are active. Cor-
respondingly, in high-side mode, only the P-channel
transistor and a small pull-up current are active.
DO_SEL_x
LK-PS
00
Push-pull
01
IO-Link with push-pull
10
Low-side driver
11
High-side driver
RW - 00
DO_12
1
LK - P
RW - 0
Activates the output of a signal via DO_1 and DO_2
Table 42: DO_12
DO_ADR0_2
Register DO_ADR0_2 enables outputting the input
value at pin ADR0 directly at the digital output pin IA2.
The possibility for inversion remains.
Table 46: Digital input/output selection
DIO_INV_x
The input and output signals can be inverted with the
DIO_INV_x register. At the input, all modes are affected
that use the digital input, i.e. also counters and the read-
-back of the physical line level. At the output, all modes
are affected that use the digital output, i.e. the counter
in PWM mode.
DO_ADR0_2
LK - P
1
Activates pin ADR0 → IA2
RW - 0
DIO_INV_x
LK-PS
0
OFF – input/output not inverted
1
ON – input/output inverted
RW - 0
Table 43: DO_ADR0_2
Table 47: Digital input/output inversion
ENVIF_x
Register ENVIF_x enables the use of floating sensors
when using the current and voltage input as well as
SYNC_SEL_x
According to table 48, both SYNC pins can be operated
separately in the following modes. Note that for modes