C
Copyright Technolog Ltd. 2017. All rights reserved.
Information contained in this document subject to
change without prior notice.
Sheet 24 of 43
Technolog Limited,
Ravenstor Road,
Wirksworth,
DE4 4FY,
United Kingdom
T: +44 (0) 1629 823611
E: [email protected]
www.technolog.com
DMR No.: 7504
2099PM9000 Rev. B
Standard connections - Port 4:
Universal eight signal connection
(continued)
Typical connections:
Be aware that in this section the standard channel ('General Purpose inputs (GPis)' allocation connections are shown.
However as per the "Standard Connections: Channel mapping" section of this document, any input can be allocated to
any channel.
Notes
For required settings for the 'DIP switches' refer to the"Universal eight signal input (4-20mA) 'DIP switch' settings"
section of this document - the selected 'DIP switch' settings must be supported in the configuration file.
"Output 1" and "Output 2" are switched on under the control of the Cello 4S, as specified in the configuration file.
Each "Output" can supply 80mA of current at 12V and this must be considered where they are required to supply power
for externally connected equipment.
The "VO+" output termination provides a constant output voltage of 3V3 with 33k
Ω
impedance
.
Input = Digital, event (including high resolution ('Hi-Res')) / state / count:
Input = Digital, frequency
1.
2.
3.
+V
GPi1 to GPi8
GND (0V)
Pulses counted
over, and recorded
at, pre-set intervals
+3V3
Output 1 or 2 (12V or 3V3)
VO+ (3V3)
+3V3
+12V
Frequency =
16kHz Max.
Voltage =
3v8 Max.
+V
GPi1 to GPi8
GND (0V)
+3V3
Output 1 or 2 (12V or 3V3)
VO+ (3V3)
+3V3
+12V
Internal JP5
manual 'DIP'
switch = OFF
Internal JP2-x manual
'DIP' switch = ON
Internal 100
Ω
±
0.1%
precision resistor
disabled
330k
Ω
Internal pull-down
resistor(s) disabled
in configuration file
Internal pull-up
resistor(s) enabled
in configuration file
Internal JP5
manual 'DIP'
switch = OFF
Internal JP2-x manual
'DIP' switch = ON
Internal 100
Ω
±
0.1%
precision resistor
disabled
330k
Ω
Internal pull-down
resistor(s) enabled
in configuration file
Internal pull-up
resistor(s) disabled
in configuration file
Internal debounce
capacitor(s) disabled
in configuration file
Internal debounce
capacitor(s) enabled
in configuration file