3.5
Table 3.1: Signal terminal location PL1 to PL4
Terminal
number
PL4
(optional)
PL3
(optional)
PL2
(optional)
PL1
T
o
p
c
o
v
e
r
14 Screen Screen Screen Screen
13 Relay 4.5A Relay 3.5A Relay 2.5A Relay 1.5A
12 Relay 4.5A Relay 3.5B Relay 2.5B Relay 1.5B
11 Relay 4.4A Relay 3.4A Relay 2.4A Relay 1.4A
10 Relay 4.4B Relay 3.4B Relay 2.4B Relay 1.4B
9 Relay 4.3A Relay 3.3A Relay 2.3A Relay 1.3A
8 Relay 4.3B Relay 3.3B Relay 2.3B Relay 1.3B
B
o
t
t
o
m
c
o
v
e
r
7 Screen Screen Screen Screen
6 Screen Screen Screen Screen
5 mA 4.2 - mA 3.2 - mA 2.2 - mA 1.2 -
4 mA 4.2 + mA 3.2 + mA 2.2 + mA 1.2 +
3 mA 4.1 - mA 3.1 - mA 2.1 - mA 1.1 -
2 mA 4.1 + mA 3.1 + mA 2.1 + mA 1.1 +
1 Screen Screen Screen Screen
Table 3.2: Optional external autocalibration connections PL8
Terminal Function
1 Screen
2 Relay 0.1B Default relay contacts for group 1 valve 1
Sample / Calibration selection (if fitted)3 Relay 0.1A
4 Not Used
5 Relay 0.2B Default relay contacts for group 1 valve 2
Cal. Gas 1 / Cal. Gas 2 selection (if fitted)6 Relay 0.2A
7 Screen