Grant 2020 Series - Page 19

SQ2020/40 18108 Version 17
Page 18
www.grantinstruments.com
EN
Auxiliary Output
Max. 500mA
I/O Socket Wiring
Sensor Power Wiring
ALARM
O/P
EVENT/STATE
I/P 1-8
PIN 1
SLOW PULSE
I/P 1-2
FAST PULSE
I/P 1-2
Pin Connection
1 Event/State Input 1
2 Event/State Input 2
3 Event/State Input 3
4 Event/State Input 4
5 Event/State Input 5
6 Event/State Input 6
7 Event/State Input 7
8 Event/State Input 8
9 Ground
10 Alarm Output A
11 Alarm Output B
12 Alarm Output C
13 Alarm Output D
14 Auxiliary Output +ve
15 Auxiliary Output +ve
16 Auxiliary Output -ve
17 Auxiliary Output -ve
18 Ground
19 Ground
20 Ground
21 Fast Pulse Input 1
22 Fast Pulse Input 2
23 Slow Pulse Input 1
24 Slow Pulse Input 2
25 No Connection
Unregulated Logger
Supply Output
Regulated 5V Output
Block E
Negative
High Voltage Input
Block F
External Memory Card Reader
The external SD card slot is located inside the battery
compartment.
+ve-ve
V2(-ve)
V1(+ve)
V1(-ve)
V2(+ve)