Watlow PPC-2000 - Manual (Page 74)

Chapter 2: Hardware Installation PPC-2000 User’s Guide
50 Watlow Anafaze Doc.# 30002-00 Rev 2.3
A T/C is connected to a single-ended input by wiring the
positive signal lead to the
A or B terminal and the negative
signal lead to the analog COM terminal. See Figure 2.32 and
refer to Table 2.13 on page 48.
∫
WARNING! Thermocouples connected to single-ended inputs
(PPC-2022) must be isolated (ungrounded) and
should not be embedded within heater elements as
some cartridge heaters are constructed.
.
Figure 2.32 Thermocouples Connected to
Single-ended Inputs 1 and 2
Connecting RTDs
Two-wire RTDs are connected between the A and B terminals
of the selected input. They may only be used with a differential
analog input module. A jumper wire must be added on the
terminal board from the
B terminal to the COM terminal. See
Figure 2.33 on page 51.
frame ground
1A (input 1+)
Analog COM
2A (input 2+)
shield
(if present)
shield
(if present)
AITB