Tb-18, Tb-18 connections – Watlow CLS User Manual
Page 39

Installation
CLS User’s Guide 31
TB-18 Connections
This table shows TB-18 connections to the 4CLS and the 8CLS.
*If you install a Watlow Anafaze Serial DAC (SDAC), the CLS uses
digital output #34 for a clock line. You cannot use output #34 for
anything else when you have an SDAC installed.
PIN
Function
PID Output
4CLS 8CLS
1
+5 Vdc
2
Digital ground
3
Watchdog timer
4
Global alarm
5
Digital output 1
Loop 1 heat
Loop 1 heat
6
Digital output 2
Loop 2 heat
Loop 2 heat
7
Digital output 3
Loop 3 heat
Loop 3 heat
8
Digital output 4
Loop 4 heat
Loop 4 heat
9
Digital output 5
Pulse loop heat
Loop 5 heat
10
Digital output 6
Loop 1 cool
Loop 6 heat
11
Digital output 7
Loop 2 cool
Loop 7 heat
12
Digital output 8
Loop 3 cool
Loop 8 heat
13
Digital output 9
Loop 4 cool
Pulse loop heat
14
Digital output 10
Pulse loop cool
Loop 1 cool
15
Digital output 34*
SDAC clock
SDAC clock
16
Digital input 1
17
Digital input 2
18
Digital input 3
/Pulse input