Watlow MLS - Manual (Page 46)

34 MLS User’s Guide
Installation
RTB Connections
Connect outputs to the RTB as shown in the table below.
Terminal Function PID Output Terminal Function PID Output
1 +5 Vdc 2 +5 Vdc
3 CTRL COM 4 CTRL COM
5 Spare 6 System Safe
7 Pulse input 8 Global Alarm
9 DIG Output 1 Heat 1 10 DIG Output 34*
11 DIG Output 2 Heat 2 12 DIG Output 33 Pulse Loop Heat
13 DIG Output 3 Heat 3 14 DIG Output 32 Heat 32/Cool 16
15 DIG Output 4 Heat 4 16 DIG Output 31 Heat 31/Cool 15
17 DIG Output 5 Heat 5 18 DIG Output 30 Heat 30/Cool 14
19 DIG Output 6 Heat 6 20 DIG Output 29 Heat 29/Cool 13
21 DIG Output 7 Heat 7 22 DIG Output 28 Heat 28/Cool 12
23 DIG Output 8 Heat 8 24 DIG Output 27 Heat 27/Cool 11
25 DIG Output 9 Heat 9 26 DIG Output 26 Heat 26/Cool 10
27 DIG Output 10 Heat 10 28 DIG Output 25 Heat 25/Cool 9
29 DIG Output 11 Heat 11 30 DIG Output 24 Heat 24/Cool 8
31 DIG Output 12 Heat 12 32 DIG Output 23 Heat 23/Cool 7
33 DIG Output 13 Heat 13 34 DIG Output 22 Heat 22/Cool 6
35 DIG Output 14 Heat 14 36 DIG Output 21 Heat 21/Cool 5
37 DIG Output 15 Heat 15 38 DIG Output 20 Heat 20/Cool 4
39 DIG Output 16 Heat 16 40 DIG Output 19 Heat 19/Cool 3
41 DIG Output 17 Heat 17/Cool 1 42 DIG Output 18 Heat 18/Cool 2
43 DIG Input 1 44 DIG Input 2
45 DIG Input 3 46 DIG Input 4
47 DIG Input 5 48 DIG Input 6
49 DIG Input 7 50 DIG Input 8
* If you install an Watlow-Anafaze Serial Digital to Analog Converter (SDAC), the MLS uses digital output #34
for a clock line. You cannot use output #34 for anything else when an SDAC is installed.